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Astrometry

Index Astrometry

Astrometry is the branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies. [1]

417 relations: Airbus Defence and Space, Alpha Centauri, Amateur telescope making, Anglo-Australian Near-Earth Asteroid Survey, Apparent place, Arlie Petters, Arthur Auwers, Astro, Astrograph, Astronomical Institute of Slovak Academy of Sciences, Astronomical interferometer, Astronomical optical interferometry, Astronomical radio source, Astronomische Gesellschaft Katalog, Astronomy, Astrophotography, Azimuth, Álvaro López-García, Östen Bergstrand, Balloon satellite, Barnard's Star, Barycentric celestial reference system, Bassano Bresciano, Belogradchik Observatory, Berliner Astronomisches Jahrbuch, Beta Pictoris, Betelgeuse, Binary star, Bisei Spaceguard Center, Boötes, Breakaway (Space: 1999), Brian G. Marsden, C. Michelle Olmstead, C/2013 A1, Campo Imperatore Near-Earth Object Survey, Carlsberg Meridian Telescope, Carte du Ciel, Catalog of 5,268 Standard Stars Based on the Normal System N30, Catalog of Components of Double and Multiple Stars, Catalogues of Fundamental Stars, Celestia, Celestial cartography, Celestial mechanics, Chi Tauri, Conjunction (astronomy), Constellation, Cosmic distance ladder, Cosmolabe, CW Leonis, David D. Balam, ..., David Healy (astronomer), Dioptra, Directed panspermia, Division on Dynamical Astronomy, Dmitry Dubyago, Doppler spectroscopy, Dunedin Astronomical Society, Durchmusterung, Dynamic method, Edmond Halley, Edward Fomalont, Elon Musk's Tesla Roadster, Epoch (astronomy), Epsilon Eridani, Epsilon Eridani b, Erich Meyer, Erwin Obermair, Eta Leonis, Exoplanetology, Felix Gaeta, Filar micrometer, Fine guidance sensor, Fine Guidance Sensor (HST), Flagstaff, Arizona, Frame-dragging, François Mignard, Francesco Manca, Frank K. Edmondson, Frank Schlesinger, Full-sky Astrometric Mapping Explorer, Gaia (spacecraft), Geodetic astronomy, George David Gatewood, Gliese 3021 b, Gliese 832, Gliese 86, Gliese 86 b, Gliese 876, Gliese 876 b, Global Positioning System, Gotha Observatory, Gravitational microlensing, Green Bank Interferometer, Groombridge 1618, Habitable Exoplanet Imaging Mission, Haleakala Observatory, Hamburg/ESO Survey, HD 105382, HD 108541, HD 1237, HD 177830, HD 190228, HD 202206, HD 210277 b, HD 217107, HD 28185, HD 43587, HD 43848, HD 47536 b, HD 6434 b, HD 95086 b, Heidelberg University Faculty of Physics and Astronomy, Heidelberg-Königstuhl State Observatory, Henri Debehogne, Herbert Raab, HIP 78530 b, Hipparcos, Histoire Céleste Française, Hoher List Observatory, HR 3384, Hubble Space Telescope, Ida Barney, Institut de mécanique céleste et de calcul des éphémérides, International Celestial Reference Frame, International Celestial Reference System, International Halley Watch, Interplanetary scintillation, Iota Horologii b, Irwin I. Shapiro, Ivano Bertini, James Dunlop, James W. Christy, James Whitney Young, Jens Fredrik Schroeter, Jet Propulsion Laboratory Development Ephemeris, Kaj Aage Gunnar Strand, Karl Ledersteger, Karl Wilhelm Reinmuth, Karl Wilhelm Valentiner, Kepler (spacecraft), Kiichirō Furukawa, Krisztián Sárneczky, KStars, Kyongae Chang, La Cañada Observatory, Lambda Ceti, Leibniz Institute for Astrophysics Potsdam, Lennart Lindegren, Leonard Kornoš, Leuschner Observatory, Light-year, List of common astronomy symbols, List of European Space Agency programs and missions, List of exceptional asteroids, List of exoplanets detected by radial velocity, List of minor planets, List of nearest bright stars, List of nearest stars and brown dwarfs, List of observatory codes, List of Solar System probes, List of Star Trek: Voyager episodes, Lunar observation, Lutz D. Schmadel, Lyudmila Chernykh, Lyudmila Karachkina, Mannheim Observatory, Maura Tombelli, Meanings of minor planet names: 24001–25000, Meanings of minor planet names: 3001–4000, MERLIN, Michael Perryman, Miguel Itzigsohn, Milan Antal, Minor Planet Center, Minute and second of arc, Modern searches for Lorentz violation, Moons of Haumea, Moving-cluster method, Mu Arae, Nano-JASMINE, NASA Exoplanet Archive, NASA Exoplanet Science Institute, Naval Observatory Vector Astrometry Subroutines, Navy Precision Optical Interferometer, Near-Earth object, New Worlds Mission, Nicholas E. Wagman, Nikolai Chernykh, Northolt Branch Observatories, Observational astronomy, Oort constants, Open cluster, Orbital period, Origins Space Telescope, Outline of astronomy, Outline of natural science, Outline of physical science, Outline of physics, Outline of space science, Palomar Testbed Interferometer, Palomar Transient Factory, Pan-STARRS, Panspermia, Parallax, Parsec, Perturbation theory, Peter van de Kamp, Photographic plate, Pleione (star), Polaris, PPM Star Catalogue, Procyon, Proper motion, Proxima Centauri, Pulkovo Observatory, Radar astronomy, Radial velocity, RAVE (survey), Rho Coronae Borealis, Richard Kowalski, Richard Schorr, Royal Observatory of Belgium, Royal Observatory, Cape of Good Hope, Sarah Lee Lippincott, Sergei Kopeikin, Sergey Belyavsky, Serpens-Aquila Rift, Seven of Nine, Sextant (astronomical), Shanghai Astronomical Observatory, Sidereal time, Sigma Coronae Borealis, Sirius, Skalnaté pleso Observatory, Smithsonian Astrophysical Observatory Star Catalog, SOFA (astronomy), Sormano Astronomical Observatory, Space Interferometry Mission, Space Telescope Science Institute, Spacetime, Spherical astronomy, Sproul Observatory, SS Cygni, Star catalogue, Star transit, Star Trek: Voyager (season 4), Stars and planetary systems in fiction, Stellar kinematics, Stellar parallax, Stellar triangulation, Steven J. Ostro, STS-82, Substellar companion, Sylvain Arend, Table Mountain Observatory, Tests of general relativity, Tetsuya Fujii, Theoretical astronomy, Timeline of the formation of the Universe, Triangulation, Triangulation (surveying), True mass, Tycho-2 Catalogue, United States Naval Observatory, United States Naval Observatory Flagstaff Station, Upsilon Andromedae, Upsilon Andromedae d, V774104, Valz Prize, Van Biesbroeck's star catalog, Víctor Manuel Blanco, Very Long Baseline Array, Very-long-baseline interferometry, Višnjan Observatory, VINITI Database RAS, Walter Fricke, Warkworth Radio Telescope, Warren B. Offutt, Werner Landgraf, William Ernest Cooke, William H. Jefferys, WinStars, Wulff-Dieter Heintz, X-ray astronomy, X1 Centauri, X2 Centauri, XEphem, Yale University Observatory, Yevgenia Bugoslavskaya, Yevgeniya Rudneva, Zdeňka Vávrová, Zeta Herculis, Zij, (23135) 2000 AN146, (486958) 2014 MU69, 10 Ursae Majoris, 101955 Bennu, 10244 Thüringer Wald, 10245 Inselsberg, 10247 Amphiaraos, 10249 Harz, 10251 Mulisch, 10252 Heidigraf, 1033 Simona, 10476 Los Molinos, 10656 Albrecht, 10660 Felixhormuth, 109 Piscium b, 10979 Fristephenson, 118401 LINEAR, 12621 Alsufi, 14335 Alexosipov, 1452 Hunnia, 146 Lucina, 1543 Bourgeois, 16 Cygni, 16 Cygni Bb, 1600 Vyssotsky, 1776 Kuiper, 1777 Gehrels, 1778 Alfvén, 1801 in science, 1806 Derice, 1809 Prometheus, 1810 Epimetheus, 1840 Hus, 1846 Bengt, 1847 in science, 1851 Lacroute, 185638 Erwinschwab, 1868 Thersites, 1870 Glaukos, 1873 Agenor, 1877 Marsden, 1902 Shaposhnikov, 1912 Anubis, 1924 Horus, 1965 van de Kamp, 1979 Sakharov, 1983 Bok, 1988 Delores, 2003 Harding, 2006 RH120, 2014 Vasilevskis, 2044 Wirt, 2054 Gawain, 20936 Nemrut Dagi, 2246 Bowell, 2324 Janice, 2436 Hatshepsut, 25000 Astrometria, 2554 Skiff, 2934 Aristophanes, 2940 Bacon, 2956 Yeomans, 3015 Candy, 3047 Goethe, 30705 Idaios, 3184 Raab, 3201 Sijthoff, 3290 Azabu, 3494 Purple Mountain, 3548 Eurybates, 37452 Spirit, 3785 Kitami, 3868 Mendoza, 3936 Elst, 39382 Opportunity, 3953 Perth, 3982 Kastel', 4007 Euryalos, 4015 Wilson–Harrington, 4065 Meinel, 4068 Menestheus, 4138 Kalchas, 4276 Clifford, 4354 Euclides, 4391 Balodis, 47 Ursae Majoris, 47 Ursae Majoris b, 4722 Agelaos, 4754 Panthoos, 5010 Amenemhêt, 5011 Ptah, 5012 Eurymedon, 5041 Theotes, 5148 Giordano, 5196 Bustelli, 55 Cancri, 55 Cancri d, 55 Cancri f, 5655 Barney, 5756 Wassenbergh, 5951 Alicemonet, 6257 Thorvaldsen, 6344 P-L, 6615 Plutarchos, 70 Ophiuchi, 7152 Euneus, 7543 Prylis, 7687 Matthias, 7794 Sanvito, 7968 Elst–Pizarro, 8121 Altdorfer, 8318 Averroes, 8441 Lapponica, 8776 Campestris, 8967 Calandra, 9142 Rhesus, 9826 Ehrenfreund, 988 Appella, 9905 Tiziano, 9909 Eschenbach, 9910 Vogelweide, 9912 Donizetti, 9994 Grotius, 9999 Wiles. Expand index (367 more) »

Airbus Defence and Space

Airbus Defence and Space is a division of Airbus responsible for defence and aerospace products and services.

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Alpha Centauri

Alpha Centauri (α Centauri, abbreviated Alf Cen or α Cen) is the star system closest to the Solar System, being from the Sun.

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Amateur telescope making

Amateur telescope making is the activity of building telescopes as a hobby, as opposed to being a paid professional.

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Anglo-Australian Near-Earth Asteroid Survey

The Anglo-Australian Near-Earth Asteroid Survey (AANEAS) operated from 1990-96, becoming one of the most prolific programs of its type in the world.

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Apparent place

The apparent place of an object is its position in space as seen by an observer.

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Arlie Petters

Arlie Oswald Petters, MBE (born February 8, 1964) is a Belizean-American mathematical physicist, who is the Benjamin Powell Professor of Mathematics and a Professor Physics and Economics at Duke University.

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Arthur Auwers

Georg Friedrich Julius Arthur von Auwers (September 12, 1838 – January 24, 1915) was a German astronomer.

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Astro

Astro may refer to.

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Astrograph

An astrograph (astrographic camera) is a telescope designed for the sole purpose of astrophotography.

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Astronomical Institute of Slovak Academy of Sciences

The Astronomical Institute of Slovak Academy of Sciences was founded in 1953, when the state observatory on Skalnaté Pleso (founded in 1943 by Dr. Bečvář) got a status of astronomical institute and became one of the founding institutes of the newly born Slovakian Academy of Sciences.

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Astronomical interferometer

An astronomical interferometer is an array of separate telescopes, mirror segments, or radio telescope antennas that work together as a single telescope to provide higher resolution images of astronomical objects such as stars, nebulas and galaxies by means of interferometry.

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Astronomical optical interferometry

In optical astronomy, interferometry is used to combine signals from two or more telescopes to obtain measurements with higher resolution than could be obtained with either telescopes individually.

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Astronomical radio source

Astronomical radio sources are objects in outer space that emit strong radio waves.

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Astronomische Gesellschaft Katalog

The Astronomische Gesellschaft Katalog (AGK) is an astrometric star catalogue.

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Astronomy

Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.

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Astrophotography

Astrophotography is a specialized type of photography for recording photos of astronomical objects, celestial events, and areas of the night sky.

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Azimuth

An azimuth (from the pl. form of the Arabic noun "السَّمْت" as-samt, meaning "the direction") is an angular measurement in a spherical coordinate system.

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Álvaro López-García

Álvaro López-García (born 1941) is a Spanish astronomer, professor of astronomy at University of Valencia and director of the Valencia University Observatory.

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Östen Bergstrand

Carl Östen Emanuel Bergstrand (September 1, 1873 – September 27, 1948) was a Swedish astronomer.

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Balloon satellite

A balloon satellite (also occasionally referred to as a "satelloon", which is a trademarked name owned by Gilmore Schjeldahl's G.T. Schjeldahl Company) is a satellite that is inflated with gas after it has been put into orbit.

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Barnard's Star

Barnard's Star is a very-low-mass red dwarf about 6 light-years away from Earth in the constellation of Ophiuchus.

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Barycentric celestial reference system

The Barycentric celestial reference system (BCRS) is a coordinate system used in astrometry to specify the location and motions of astronomical objects.

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Bassano Bresciano

Bassano Bresciano is a comune in the province of Brescia, in Lombardy.

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Belogradchik Observatory

The Astronomical Observatory of Belogradchik or Belogradchik Observatory is an astronomical observatory owned and operated by the Institute of Astronomy of the Bulgarian Academy of Sciences.

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Berliner Astronomisches Jahrbuch

The Berliner Astronomisches Jahrbuch (abbrev. B.A.J.) is an astronomical ephemeris almanac and the longest publication series in astronomy.

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Beta Pictoris

Beta Pictoris (β Pic, β Pictoris) is the second brightest star in the constellation Pictor.

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Betelgeuse

Betelgeuse, also designated Alpha Orionis (α Orionis, abbreviated Alpha Ori, α Ori), is the ninth-brightest star in the night sky and second-brightest in the constellation of Orion.

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Binary star

A binary star is a star system consisting of two stars orbiting around their common barycenter.

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Bisei Spaceguard Center

The Bisei Spaceguard Center (BSGC) is an astronomical observatory located at Bisei-chō, Okayama, Japan.

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Boötes

Boötes is a constellation in the northern sky, located between 0° and +60° declination, and 13 and 16 hours of right ascension on the celestial sphere.

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Breakaway (Space: 1999)

"Breakaway" is the first episode of the first series of Space: 1999.

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Brian G. Marsden

Brian Geoffrey Marsden (5 August 1937 – 18 November 2010) was an English astronomer and the longtime director of the Minor Planet Center (MPC) at the Harvard-Smithsonian Center for Astrophysics (director emeritus from 2006 to 2010).

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C. Michelle Olmstead

C.

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C/2013 A1

C/2013 A1 (Siding Spring) is an Oort cloud comet discovered on 3 January 2013 by Robert H. McNaught at Siding Spring Observatory using the Uppsala Southern Schmidt Telescope.

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Campo Imperatore Near-Earth Object Survey

The CINEOS program (Campo Imperatore Near-Earth Object Survey), started in 2001, is dedicated to the discovery and follow-up of near-Earth objects (NEOs), namely asteroids and comets which periodically approach or intersect the Earth's orbit.

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Carlsberg Meridian Telescope

The Carlsberg Meridian Telescope (formerly the Carlsberg Automatic Meridian Circle) is located at Roque de los Muchachos Observatory in the Canary Islands.

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Carte du Ciel

The Carte du Ciel (literally, 'Map of the Sky') and the Astrographic Catalogue (or Astrographic Chart) were two distinct but connected components of a massive international astronomical project, initiated in the late 19th century, to catalogue and map the positions of millions of stars as faint as 11th or 12th magnitude.

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Catalog of 5,268 Standard Stars Based on the Normal System N30

Catalog of 5,268 Standard Stars Based on the Normal System N30 is the 1952 auxiliary star catalogue created by Herbert Rollo Morgan to address proper motion inaccuracies in 19th century observations by converting contemporary catalogues from a mean epoch around 1900 (±0.1 yr) to epoch and equinox 1950.0.

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Catalog of Components of Double and Multiple Stars

The Catalog of Components of Double and Multiple Stars, or CCDM, is an astrometric star catalogue of double and multiple stars.

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Catalogues of Fundamental Stars

The Catalogue of Fundamental Stars is a series of six astrometric catalogues of high precision positional data for a small selection of stars to define a celestial reference frame, which is a standard coordinate system for measuring positions of stars.

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Celestia

Celestia is a 3D astronomy program created by Chris Laurel.

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Celestial cartography

Celestial cartography, uranography, astrography or star cartography is the fringe of astronomy and branch of cartography concerned with mapping stars, galaxies, and other astronomical objects on the celestial sphere.

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Celestial mechanics

Celestial mechanics is the branch of astronomy that deals with the motions of celestial objects.

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Chi Tauri

Chi Tauri (χ Tau, χ Tau) is a star system in the constellation of Taurus.

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Conjunction (astronomy)

In astronomy, a conjunction occurs when two astronomical objects or spacecraft have either the same right ascension or the same ecliptic longitude, usually as observed from Earth.

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Constellation

A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.

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Cosmic distance ladder

The cosmic distance ladder (also known as the extragalactic distance scale) is the succession of methods by which astronomers determine the distances to celestial objects.

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Cosmolabe

The cosmolabe was an ancient astronomical instrument resembling the astrolabe, formerly used for measuring the angles between heavenly bodies.

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CW Leonis

IRC +10216 or CW Leonis is a well-studied carbon star that is embedded in a thick dust envelope. It was first discovered in 1969 by a group of astronomers led by Eric Becklin, based upon infrared observations made with the Caltech Infrared Telescope at Mount Wilson Observatory. Its energy is emitted mostly at infrared wavelengths. At a wavelength of 5 μm, it was found to have the highest flux of any object outside the Solar System.

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David D. Balam

David D. Balam is a Canadian astronomer and a research associate with University of Victoria's Department of Physics and Astronomy, in Victoria, British Columbia.

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David Healy (astronomer)

David B. Healy (22 December 1936 – 6 June 2011) was an American astrophotographer and asteroid discoverer who is known for his contributions to Burnham's Celestial Handbook.

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Dioptra

A dioptra (sometimes also named dioptre or diopter from διόπτρα) is a classical astronomical and surveying instrument, dating from the 3rd century BCE.

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Directed panspermia

Directed panspermia is the deliberate transport of microorganisms in space to be used as introduced species on lifeless but habitable astronomical objects.

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Division on Dynamical Astronomy

The Division on Dynamical Astronomy (DDA) is a branch of the American Astronomical Society that focuses on the advancement of all aspects of dynamical astronomy, including celestial mechanics, solar system dynamics, stellar dynamics, as well as the dynamics of the interstellar medium and galactic dynamics, and coordination of such research with other branches of science.

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Dmitry Dubyago

Dmitry Ivanovich Dubyago (Дмитрий Иванович Дубяго in Russian) (September 21 (N.S. October 3), 1849 – October 22, 1918) was a Russian astronomer and expert in theoretical astrophysics, astrometry, and gravimetry.

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Doppler spectroscopy

Doppler spectroscopy (also known as the radial-velocity method, or colloquially, the wobble method) is an indirect method for finding extrasolar planets and brown dwarfs from radial-velocity measurements via observation of Doppler shifts in the spectrum of the planet's parent star.

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Dunedin Astronomical Society

The Dunedin Astronomical Society Incorporated (DAS) is an amateur astronomical group operating from the Beverly-Begg Observatory Dunedin, New Zealand.

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Durchmusterung

In astronomy, Durchmusterung or Bonner Durchmusterung (BD), is the comprehensive astrometric star catalogue of the whole sky, compiled by the Bonn Observatory (Germany) from 1859 to 1903.

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Dynamic method

The dynamic method is a procedure for the determination of the masses of asteroids.

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Edmond Halley

Edmond (or Edmund) Halley, FRS (–) was an English astronomer, geophysicist, mathematician, meteorologist, and physicist.

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Edward Fomalont

Edward Fomalont (born May 14, 1940) is an American scientist working at the National Radio Astronomy Observatory.

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Elon Musk's Tesla Roadster

Elon Musk's Tesla Roadster is an electric sports car that was the dummy payload for the Falcon Heavy test flight in February 2018.

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Epoch (astronomy)

In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time.

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Epsilon Eridani

Epsilon Eridani (ε Eridani, abbreviated Epsilon Eri, ε Eri), also named Ran, is a star in the southern constellation of Eridanus, at a declination of 9.46° south of the celestial equator.

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Epsilon Eridani b

Epsilon Eridani b or AEgir is a proposed and unconfirmed extrasolar planet approximately 10 light-years away orbiting the star Epsilon Eridani, in the constellation of Eridanus (the River).

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Erich Meyer

Erich Meyer (born August 6, 1951) is an Austrian engineer, amateur astronomer and discoverer of asteroids.

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Erwin Obermair

Erwin Obermair (29 August 1946 in Hargelsberg – 15 January 2017 in Linz) was an Austrian amateur astronomer and co-discoverer of asteroids.

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Eta Leonis

Eta Leonis (η Leo, η Leonis) is a fourth-magnitude star in the constellation Leo.

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Exoplanetology

Exoplanetology, or exoplanetary science, is an integrated field of astronomical science dedicated to the search and study of exoplanets (extrasolar planets).

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Felix Gaeta

Lieutenant Junior Grade Felix Gaeta is a fictional character on Battlestar Galactica played by Alessandro Juliani.

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Filar micrometer

A filar micrometer is a specialized eyepiece used in astronomical telescopes for astrometry measurements, in microscopes for specimen measurements, and in alignment and surveying telescopes for measuring angles and distances on nearby objects.

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Fine guidance sensor

A fine guidance sensor (FGS) is an instrument on board a space telescope that provides high-precision pointing information as input to the observatory's attitude control systems.

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Fine Guidance Sensor (HST)

Fine Guidance Sensor (FGS) for the Hubble Space Telescope is a system of three instruments used for pointing the telescope in space, and also for astrometry and its related sciences.

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Flagstaff, Arizona

Flagstaff is a city in and the county seat of Coconino County in northern Arizona, in the southwestern United States.

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Frame-dragging

Frame-dragging is an effect on spacetime, predicted by Einstein's general theory of relativity, that is due to non-static stationary distributions of mass–energy.

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François Mignard

François Mignard (born 1949) is a French astronomer who is the director of CERGA (Centre de recherches en géodynamique et astrométrie) of the Observatoire de la Côte d'Azur.

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Francesco Manca

Francesco Manca (born November 1966, in Milan, Italy) is an Italian amateur astronomer and discoverer of minor planets at the Sormano Astronomical Observatory in northern Italy.

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Frank K. Edmondson

Frank Kelley Edmondson (August 1, 1912 – December 8, 2008) was an American astronomer.

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Frank Schlesinger

Frank Schlesinger (May 11, 1871 New York City – July 10, 1943 Old Lyme, Connecticut) was an American astronomer.

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Full-sky Astrometric Mapping Explorer

Full-sky Astrometric Mapping Explorer (or FAME) was a proposed astrometric satellite designed to determine with unprecedented accuracy the positions, distances, and motions of 40 million stars within our galactic neighborhood (distances by stellar parallax possible).

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Gaia (spacecraft)

Gaia is a space observatory of the European Space Agency (ESA) designed for astrometry: measuring the positions and distances of stars with unprecedented precision.

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Geodetic astronomy

Geodetic astronomy or astro-geodesy is the application of astronomical methods into networks and technical projects of geodesy.

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George David Gatewood

George David Gatewood (born 1940) also known as George G. Gatewood, is an American astronomer and presently is professor emeritus at the University of Pittsburgh and at the Allegheny Observatory.

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Gliese 3021 b

Gliese 3021 b, also known as GJ 3021 b or HD 1237 b, is an extrasolar planet approximately 57 light-years away, orbiting its bright G-dwarf parent star in the Southern constellation of Hydrus.

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Gliese 832

Gliese 832 (Gl 832 or GJ 832) is a red dwarf of spectral type M2V in the southern constellation Grus.

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Gliese 86

Gliese 86 (13 G. Eridani, HD 13445) is a K-type main-sequence star approximately 35 light-years away in the constellation of Eridanus.

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Gliese 86 b

Gliese 86 b, sometimes referred to as Gliese 86 A b (so as to distinguish the planet from companion star "B") and or shortened to Gl 86 b, is an extrasolar planet approximately 35 light-years away in the constellation of Eridanus.

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Gliese 876

Gliese 876 is a red dwarf approximately 15 light-years away from Earth in the constellation of Aquarius.

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Gliese 876 b

Gliese 876 b is an exoplanet orbiting the red dwarf Gliese 876.

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Global Positioning System

The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force.

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Gotha Observatory

Gotha Observatory (Seeberg Observatory, Sternwarte Gotha or Seeberg-Sternwarte) was a German astronomical observatory located on Seeberg hill near Gotha, Thuringia, Germany.

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Gravitational microlensing

Gravitational microlensing is an astronomical phenomenon due to the gravitational lens effect.

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Green Bank Interferometer

The Green Bank Interferometer (GBI) is a former radio astronomy telescope located at Green Bank, West Virginia (USA) and operated by the National Radio Astronomy Observatory (NRAO).

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Groombridge 1618

Groombridge 1618 is a star in the northern constellation Ursa Major.

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Habitable Exoplanet Imaging Mission

The Habitable Exoplanet Imaging Mission (HabEx) is a space telescope concept that would be optimized to search for and image Earth-size habitable exoplanets in the habitable zones of their stars, where liquid water can exist.

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Haleakala Observatory

The Haleakalā Observatory, also known as the Haleakalā High Altitude Observatory Site, is Hawaii's first astronomical research observatory.

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Hamburg/ESO Survey

The Hamburg/ESO Survey is an astrometric star catalogue published by the University of Hamburg.

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HD 105382

HD 105382 (also known as V863 Centauri) is a star in the constellation Centaurus.

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HD 108541

HD 108541, also known by its Bayer designation u Centauri is a star located in the constellation Centaurus, It is also known as HR 4748.

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HD 1237

HD 1237 is a binary star system approximately 57 light-years away in the constellation of Hydrus (the Water Snake).

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HD 177830

HD 177830 is a 7th magnitude binary star system located approximately 205 light-years away in the constellation of Lyra.

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HD 190228

HD 190228 is a star located in the constellation Vulpecula.

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HD 202206

HD 202206 is a yellow dwarf star approximately 148 light-years away in the constellation Capricornus.

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HD 210277 b

HD 210277 b is an extrasolar planet orbiting the star HD 210277.

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HD 217107

HD 217107 (6 G. Piscium) is a yellow subgiant star approximately 65 light-years away from Earth in the constellation of Pisces (the Fish).

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HD 28185

HD 28185 is a yellow dwarf star similar to our Sun located about 138 light-years away from Earth in the constellation Eridanus.

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HD 43587

HD 43587 is a stellar system approximately 63 light-years away in the constellation of Orion, visible to the naked eye.

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HD 43848

HD 43848 is a 9th magnitude K-type subgiant star located approximately 123 light-years away in the constellation of Columba.

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HD 47536 b

HD 47536 b is an extrasolar planet located approximately 400 light-years away in the constellation of Canis Major, orbiting the star HD 47536.

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HD 6434 b

HD 6434 b is an extrasolar planet orbiting the star HD 6434.

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HD 95086 b

HD 95086 b is a confirmed, directly imaged exoplanet orbiting the young, 17 Myr A-class pre-main-sequence star HD 95086.

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Heidelberg University Faculty of Physics and Astronomy

The Faculty of Physics and Astronomy is one of twelve faculties at the University of Heidelberg.

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Heidelberg-Königstuhl State Observatory

Heidelberg-Königstuhl State Observatory (Landessternwarte Heidelberg-Königstuhl) is a historic astronomical observatory located near the summit of the Königstuhl hill in the city of Heidelberg in Germany.

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Henri Debehogne

Henri Debehogne (30 December 1928 – 9 December 2007) was a Belgian astronomer and a prolific discoverer of minor planets.

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Herbert Raab

Herbert Raab (born January 24, 1969 in Linz, Austria) is an Austrian software engineer, amateur astronomer and discoverer of astronomical objects.

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HIP 78530 b

HIP 78530 b is an object that is either a planet or a brown dwarf in the orbit of the star HIP 78530.

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Hipparcos

Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.

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Histoire Céleste Française

Histoire Céleste Française (French Celestial History) is an astrometric star catalogue published in 1801 by the French astronomer Jérôme Lalande and his staff at the Paris Observatory.

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Hoher List Observatory

The Hoher List Observatory (Observatorium Hoher List) was an astronomical observatory located about 60 km south of Bonn, Germany, near the town of Daun in the mountain range of the Eifel.

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HR 3384

HR 3384 (11 G. Pyxidis) is solitary star in the southern constellation of Pyxis.

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Hubble Space Telescope

The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.

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Ida Barney

Ida Barney (November 6, 1886 – March 7, 1982) was an American astronomer, best known for her 22 volumes of astrometric measurements on 150,000 stars.

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Institut de mécanique céleste et de calcul des éphémérides

The Institut de mécanique céleste et de calcul des éphémérides (IMCCE) was founded in 1998 and replaced the Service des calculs et de mécanique céleste of the Bureau des Longitudes.

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International Celestial Reference Frame

In astrometry, an International Celestial Reference Frame (ICRF) is a realization of the International Celestial Reference System (ICRS) using reference celestial sources observed at radio wavelengths.

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International Celestial Reference System

The International Celestial Reference System (ICRS) is the current standard celestial reference system adopted by the International Astronomical Union (IAU).

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International Halley Watch

Halley's Comet, named after English astronomer Edmund Halley who first demonstrated its periodicity, returns to the vicinity of the Sun and Earth approximately every 76 years.

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Interplanetary scintillation

In astronomy, interplanetary scintillation refers to random fluctuations in the intensity of radio waves of celestial origin, on the timescale of a few seconds.

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Iota Horologii b

Iota Horologii b (ι Hor b / ι Horologii b), often catalogued HR 810 b, is an extrasolar planet approximately 56 light-years away in the constellation of Horologium (the Pendulum Clock).

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Irwin I. Shapiro

Irwin Ira Shapiro (born October 10, 1929 in New York City) is an American astrophysicist and Timken University Professor at Harvard University.

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Ivano Bertini

Ivano Bertini (born April, 1968, in Milan, Italy) is an Italian astronomer at the University of Padua.

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James Dunlop

James Dunlop FRSE (31 October 1793 – 22 September 1848) was a Scottish astronomer, noted for his work in Australia.

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James W. Christy

James Walter "Jim" Christy (born September 15, 1938) is an American astronomer.

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James Whitney Young

James Whitney Young (born January 24, 1941) is an American astronomer who worked in the field of asteroid research.

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Jens Fredrik Schroeter

Jens Fredrik Wilhelm Schroeter (21 May 1857 – 27 April 1927) was a Norwegian astronomer.

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Jet Propulsion Laboratory Development Ephemeris

The name Jet Propulsion Laboratory Development Ephemeris (followed by a number), the abbreviation JPL DE(number), or just DE(number) designates one of a series of models of the Solar System produced at the Jet Propulsion Laboratory in Pasadena, California, primarily for purposes of spacecraft navigation and astronomy.

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Kaj Aage Gunnar Strand

Kaj Aage Gunnar Strand (27 February 1907 – 31 October 2000) was a Danish astronomer who worked in Denmark and the United States He was Scientific Director of the U.S. Naval Observatory from 1963 to 1977.

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Karl Ledersteger

Karl Ledersteger (11 November 1900, in Vienna – 24 September 1972, near Vienna) was an important geodesist and geophysicist.

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Karl Wilhelm Reinmuth

Karl Wilhelm Reinmuth (April 4, 1892 in Heidelberg – May 6, 1979 in Heidelberg) was a German astronomer and a prolific discoverer of 395 minor planets.

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Karl Wilhelm Valentiner

Karl Wilhelm Valentiner (22 February 1845 in Eckernförde – 1 April 1931) was a German astronomer.

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Kepler (spacecraft)

Kepler is a space observatory launched by NASA to discover Earth-size planets orbiting other stars.

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Kiichirō Furukawa

『新訂 現代日本人名録94 4.

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Krisztián Sárneczky

Krisztián Sárneczky (born 6 November 1974 in Budapest) is a Hungarian teacher of geography, astronomer and prolific discoverer of minor planets and supernovae, researching at Konkoly Observatory in Budapest, Hungary.

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KStars

KStars is a freely licensed planetarium program using the KDE Platform.

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Kyongae Chang

Kyongae Chang (born September 5, 1946) is a South Korean astrophysicist.

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La Cañada Observatory

La Cañada Observatory (Observatorio de La Cañada), is an amateur astronomical observatory in Ávila, Spain privately owned by Juan Lacruz, the main activity is to monitor near-Earth objects other asteroids and comets.

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Lambda Ceti

Lambda Ceti, Latinized from λ Ceti, is B-type star of fifth-magnitude located in the constellation Cetus.

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Leibniz Institute for Astrophysics Potsdam

Leibniz Institute for Astrophysics Potsdam (AIP) is a German research institute.

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Lennart Lindegren

Lennart Lindegren is a member of the staff at Lund Observatory, Sweden, where he obtained his PhD in 1980, and became a full professor of astronomy in 2000.

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Leonard Kornoš

Leonard Kornoš (born 1956) is a Slovak astronomer and a prolific discoverer of asteroids.

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Leuschner Observatory

Leuschner Observatory, originally called the Students' Observatory, is an observatory jointly operated by the University of California, Berkeley and San Francisco State University.

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Light-year

The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.

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List of common astronomy symbols

This is a compilation of symbols commonly used in astronomy, particularly professional astronomy.

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List of European Space Agency programs and missions

The European Space Agency (ESA) operates a number of missions, both operational and scientific, including collaborations with other national space administrations such as the Japanese JAXA, the French CNES, the American NASA, and the Chinese CNSA.

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List of exceptional asteroids

The following is a collection of lists of exceptional asteroids in the Solar System.

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List of exoplanets detected by radial velocity

The following is a list of 456 extrasolar planets that were only detected by radial velocity method –– 31 confirmed and 323 candidates, sorted by orbital periods.

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List of minor planets

This is a list of numbered minor planets in numerical order.

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List of nearest bright stars

This list of nearest bright stars is a table of stars found within 15 parsecs (48.9 light-years) of the Sun that have an absolute magnitude of +8.5 or brighter, which is approximately comparable to a listing of stars more luminous than a red dwarf.

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List of nearest stars and brown dwarfs

The following two lists include all the known stars and brown dwarfs that are within of the Sun, or were/will be within in the astronomically near past or future.

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List of observatory codes

This is a list of observatory codes, or IAU codes, with their corresponding astronomical observatories.

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List of Solar System probes

This is a list of space probes that have left Earth orbit (or were launched with that intention but failed), organized by their planned destination.

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List of Star Trek: Voyager episodes

This is an episode list for the science fiction television series Star Trek: Voyager, which aired on UPN from January 1995 through May 2001.

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Lunar observation

The Moon is the largest natural satellite of and the closest major astronomical object to Earth.

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Lutz D. Schmadel

Lutz D. Schmadel (July 2, 1942 in Berlin – October 21, 2016) was a German astronomer and a prolific discoverer of asteroids, who worked at the Astronomisches Rechen-Institut (ARI) of the University of Heidelberg.

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Lyudmila Chernykh

Lyudmila Ivanovna Chernykh (Людмила Іванівна Черних, Людми́ла Ива́новна Черны́х, June 13, 1935 in Shuya, Ivanovo Oblast – July 28, 2017) was a Russian-born Soviet astronomer, wife and colleague of Nikolai Stepanovich Chernykh, and a prolific discoverer of minor planets.

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Lyudmila Karachkina

Lyudmila Georgievna Karachkina (Людмила Георгиевна Карачкина, born 3 September 1948, Rostov-on-Don) is a Russian astronomer and discoverer of minor planets.

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Mannheim Observatory

The Mannheim Observatory was a tower observatory built between 1772 and 1774 in Mannheim, Germany, which remained in operation until 1880.

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Maura Tombelli

Maura Tombelli (born 1952 in Montelupo Fiorentino) is an Italian amateur astronomer who began her training in astronomy as an observer of variable stars.

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Meanings of minor planet names: 24001–25000

053 | 24053 Shinichiro || || Shin-ichiro Okumura (born 1965), an astronomer at the Bisei Spacegaurd Center of Japan.

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Meanings of minor planet names: 3001–4000

015 | 3015 Candy || 1980 VN || Michael P. Candy (1928–1994), British astrometrist and discoverer of minor planets and comets.

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MERLIN

The Multi-Element Radio Linked Interferometer Network (MERLIN) is an interferometer array of radio telescopes spread across England.

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Michael Perryman

Michael Perryman is a British astronomer, known for his work leading the Hipparcos and Gaia space astrometric projects.

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Miguel Itzigsohn

Miguel Itzigsohn (1908–1978) was an Argentine astronomer and observer of comets, credited by the Minor Planet Center with the discovery of 15 asteroids between 1948 and 1954.

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Milan Antal

Milan Antal (1935–1999) was a Slovak astronomer.

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Minor Planet Center

The Minor Planet Center (MPC) is the official worldwide organization in charge of collecting observational data for minor planets (such as asteroids and comets), calculating their orbits and publishing this information via the Minor Planet Circulars.

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Minute and second of arc

A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.

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Modern searches for Lorentz violation

Modern searches for Lorentz violation are scientific studies that look for deviations from Lorentz invariance or symmetry, a set of fundamental frameworks that underpin modern science and fundamental physics in particular.

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Moons of Haumea

The outer Solar System dwarf planet Haumea has two known moons, Hiʻiaka and Namaka, named after Hawaiian goddesses.

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Moving-cluster method

In astrometry, the moving-cluster method and the closely related convergent point method are means, primarily of historical interest, for determining the distance to star clusters.

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Mu Arae

Mu Arae (μ Arae, abbreviated Mu Ara, μ Ara), often designated HD 160691, also named Cervantes, is a main sequence G-type star approximately 50 light-years away from the Sun in the constellation of Ara.

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Nano-JASMINE

The Nano-Japan Astrometry Satellite Mission for Infrared Exploration (Nano-JASMINE) is an astrometric microsatellite developed by the National Astronomical Observatory of Japan, with contributions by the University of Tokyo Intelligent Space Systems Laboratory.

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NASA Exoplanet Archive

The NASA Exoplanet Archive is an online astronomical exoplanet catalog and data service that collects and serves public data that support the search for and characterization of extra-solar planets (exoplanets) and their host stars.

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NASA Exoplanet Science Institute

The NASA Exoplanet Science Institute (NExScI) is part of the Infrared Processing and Analysis Center (IPAC) and is on the campus of the California Institute of Technology (Caltech) in Pasadena, CA.

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Naval Observatory Vector Astrometry Subroutines

The Naval Observatory Vector Astrometry Software (NOVAS) is a software library for astrometry-related numerical computations.

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Navy Precision Optical Interferometer

The Navy Precision Optical Interferometer (NPOI) is an American astronomical interferometer, with the world's largest baselines, operated by the Naval Observatory Flagstaff Station (NOFS) in collaboration with the Naval Research Laboratory (NRL) and Lowell Observatory.

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Near-Earth object

A near-Earth object (NEO) is any small Solar System body whose orbit can bring it into proximity with Earth.

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New Worlds Mission

The New Worlds Mission is a proposed project comprising a large occulter flying in formation designed to block the light of nearby stars in order to observe their orbiting exoplanets.

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Nicholas E. Wagman

Nicholas E. Wagman (1905 – 1980) was an American astronomer and astrometrist.

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Nikolai Chernykh

Nikolai Stepanovich Chernykh (Николай Степанович Черных) (6 October 1931 – 26 May 2004) was a Russian-born Soviet astronomer and discoverer of minor planets and comets at the Crimean Astrophysical Observatory in Nauchnij, on the Crimean peninsula.

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Northolt Branch Observatories

The Northolt Branch Observatories (NBO; Observatory codes: Z80, Z48 and Z37) is an astronomical observatory located in London, England.

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Observational astronomy

Observational astronomy is a division of astronomy that is concerned with recording data about the observable universe, in contrast with theoretical astronomy, which is mainly concerned with calculating the measurable implications of physical models.

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Oort constants

The Oort constants (discovered by Jan Oort) A and B are empirically derived parameters that characterize the local rotational properties of our galaxy, the Milky Way, in the following manner: \begin & A.

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Open cluster

An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud and have roughly the same age.

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Orbital period

The orbital period is the time a given astronomical object takes to complete one orbit around another object, and applies in astronomy usually to planets or asteroids orbiting the Sun, moons orbiting planets, exoplanets orbiting other stars, or binary stars.

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Origins Space Telescope

Origins Space Telescope (OST) is a concept study for the Far-Infrared Surveyor space telescope mission.

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Outline of astronomy

The following outline is provided as an overview of and topical guide to astronomy: Astronomy – studies the universe beyond Earth, including its formation and development, and the evolution, physics, chemistry, meteorology, and motion of celestial objects (such as galaxies, planets, etc.) and phenomena that originate outside the atmosphere of Earth (such as the cosmic background radiation).

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Outline of natural science

The following outline is provided as an overview of and topical guide to natural science: Natural science – a major branch of science that tries to explain, and predict, nature's phenomena based on empirical evidence.

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Outline of physical science

Physical science is a branch of natural science that studies non-living systems, in contrast to life science.

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Outline of physics

The following outline is provided as an overview of and topical guide to physics: Physics – natural science that involves the study of matterRichard Feynman begins his ''Lectures'' with the atomic hypothesis, as his most compact statement of all scientific knowledge: "If, in some cataclysm, all of scientific knowledge were to be destroyed, and only one sentence passed on to the next generations..., what statement would contain the most information in the fewest words? I believe it is...

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Outline of space science

The following outline is provided as an overview of and topical guide to space science: Space science encompasses all of the scientific disciplines that involve space exploration and study natural phenomena and physical bodies occurring in outer space, such as space medicine and astrobiology.

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Palomar Testbed Interferometer

The Palomar Testbed Interferometer (PTI) was a near infrared, long-baseline stellar interferometer located at Palomar Observatory in north San Diego County, California, United States.

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Palomar Transient Factory

The Palomar Transient Factory (PTF, obs. code: I41), was an astronomical survey using a wide-field survey camera designed to search for optical transient and variable sources such as variable stars, supernovae, asteroids and comets.

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Pan-STARRS

The Panoramic Survey Telescope and Rapid Response System (Pan-STARRS 1; obs. code: F51 and Pan-STARRS 2 obs. code: F52) located at Haleakala Observatory, Hawaii, USA, consists of astronomical cameras, telescopes and a computing facility that is surveying the sky for moving or variable objects on a continual basis, and also producing accurate astrometry and photometry of already detected objects.

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Panspermia

Panspermia is the hypothesis that life exists throughout the Universe, distributed by space dust, meteoroids, asteroids, comets, planetoids, and also by spacecraft carrying unintended contamination by microorganisms.

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Parallax

Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.

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Parsec

The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System.

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Perturbation theory

Perturbation theory comprises mathematical methods for finding an approximate solution to a problem, by starting from the exact solution of a related, simpler problem.

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Peter van de Kamp

Piet van de Kamp (December 26, 1901 in KampenLaurence W. Fredrick,, Publications of the Astronomical Socitiey of the Pacific 108:556-559, July 1996 – May 18, 1995 in Amsterdam), known as Peter van de Kamp in the United States, was a Dutch astronomer who lived most of his life in the United States.

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Photographic plate

Photographic plates preceded photographic film as a capture medium in photography.

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Pleione (star)

Pleione, designated 28 Tauri and BU Tauri (abbreviated 28 Tau or BU Tau), is a binary star and the seventh-brightest star in the Pleiades star cluster (Messier 45).

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Polaris

Polaris, designated Alpha Ursae Minoris (Ursae Minoris, abbreviated Alpha UMi, UMi), commonly the North Star or Pole Star, is the brightest star in the constellation of Ursa Minor.

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PPM Star Catalogue

The PPM Star Catalogue (Positions and Proper Motions Star Catalogue) is the successor of the SAO Catalogue.

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Procyon

Procyon, also designated Alpha Canis Minoris (α Canis Minoris, abbreviated Alpha CMi, α CMi), is the brightest star in the constellation of Canis Minor.

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Proper motion

Proper motion is the astronomical measure of the observed changes in the apparent places of stars or other celestial objects in the sky, as seen from the center of mass of the Solar System, compared to the abstract background of the more distant stars.

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Proxima Centauri

Proxima Centauri, or Alpha Centauri C, is a red dwarf, a small low-mass star, about from the Sun in the constellation of Centaurus.

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Pulkovo Observatory

The Pulkovo Astronomical Observatory (Пу́лковская астрономи́ческая обсервато́рия, official name The Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, Гла́вная (Пу́лковская) астрономи́ческая обсервато́рия Росси́йской акаде́мии нау́к; formerly Imperial Observatory at Pulkowo), the principal astronomical observatory of the Russian Academy of Sciences, located 19 km south of Saint Petersburg on Pulkovo Heights above sea level.

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Radar astronomy

Radar astronomy is a technique of observing nearby astronomical objects by reflecting microwaves off target objects and analyzing the reflections.

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Radial velocity

The radial velocity of an object with respect to a given point is the rate of change of the distance between the object and the point.

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RAVE (survey)

RAVE (RAdial Velocity Experiment) is a multi-fiber spectroscopic astronomical survey of stars in the Milky Way using the 1.2-metre UK Schmidt Telescope of the Australian Astronomical Observatory (AAO).

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Rho Coronae Borealis

Rho Coronae Borealis (ρ CrB, ρ Coronae Borealis) is a Solar twin, yellow dwarf star approximately 57 light-years away in the constellation of Corona Borealis.

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Richard Kowalski

Richard A. Kowalski (born 1963) is an American astronomer who has discovered numerous asteroids and comets, among them, many near-Earth objects.

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Richard Schorr

Richard Reinhard Emil Schorr (20 August 1867, Kassel – 21 September 1951, Badgastein, Salzburg), was a German astronomer.

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Royal Observatory of Belgium

The Royal Observatory of Belgium (Koninklijke Sterrenwacht van België; Observatoire Royal de Belgique), has been situated in Uccle (Ukkel in Dutch) since 1890.

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Royal Observatory, Cape of Good Hope

The Royal Observatory, Cape of Good Hope, is the oldest continuously existing scientific institution in South Africa.

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Sarah Lee Lippincott

Sarah Lee Lippincott (born October 26, 1920), also known as Sarah Lee Lippincott Zimmerman, is an American astronomer.

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Sergei Kopeikin

Sergei Kopeikin (born April 10, 1956) is a USSR-born theoretical physicist presently living and working in the United States, where he holds the position of Professor of Physics at the University of Missouri in Columbia, Missouri.

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Sergey Belyavsky

Sergey Ivanovich Belyavsky (Серге́й Ива́нович Беля́вский; December 7, 1883 (Julian calendar: November 25) – October 13, 1953) was a Soviet/Russian astronomer and a discoverer of 36 numbered minor planets.

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Serpens-Aquila Rift

The Serpens-Aquila Rift (also known as the Aquila Rift) is a region of the sky in the constellations Aquila, Serpens Cauda, and eastern Ophiuchus containing dark interstellar clouds.

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Seven of Nine

Seven of Nine (born Annika Hansen) is a fictional character who appears in seasons four through seven of the American science fiction television series Star Trek: Voyager.

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Sextant (astronomical)

Sextants for astronomical observations were devices depicting a sixth of a circle, used primarily for measuring the positions of stars.

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Shanghai Astronomical Observatory

Shanghai Astronomical Observatory (SHAO), is an astronomical observatory in Shanghai, China.

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Sidereal time

Sidereal time is a timekeeping system that astronomers use to locate celestial objects.

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Sigma Coronae Borealis

No description.

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Sirius

Sirius (a romanization of Greek Σείριος, Seirios,."glowing" or "scorching") is a star system and the brightest star in the Earth's night sky.

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Skalnaté pleso Observatory

The Skalnaté pleso Observatory (Observatórium Skalnaté pleso; obs. code: 056) is an astronomical and meteorological observatory in the Tatra Mountains of Slovakia.

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Smithsonian Astrophysical Observatory Star Catalog

The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue.

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SOFA (astronomy)

The SOFA (Standards of Fundamental Astronomy) software libraries are a collection of subroutines that implement official International Astronomical Union algorithms for astronomical computations.

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Sormano Astronomical Observatory

The Sormano Astronomical Observatory (Osservatorio Astronomico Sormano, obs. code: 587) is an astronomical observatory north of Milan, Italy.

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Space Interferometry Mission

The Space Interferometry Mission, or SIM, also known as SIM Lite (formerly known as SIM PlanetQuest), was a planned space telescope proposed by the U.S. National Aeronautics and Space Administration (NASA), in conjunction with contractor Northrop Grumman.

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Space Telescope Science Institute

The Space Telescope Science Institute (STScI) is the science operations center for the Hubble Space Telescope (HST; in orbit since 1990) and for the James Webb Space Telescope (JWST; scheduled to be launched in March 2021).

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Spacetime

In physics, spacetime is any mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum.

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Spherical astronomy

Spherical astronomy or positional astronomy is the branch of astronomy that is used to determine the location of objects on the celestial sphere, as seen at a particular date, time, and location on Earth.

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Sproul Observatory

Sproul Observatory was an astronomical observatory owned and operated by Swarthmore College.

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SS Cygni

SS Cygni is a variable star in the northern constellation Cygnus (the Swan).

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Star catalogue

A star catalogue (Commonwealth English) or star catalog (American English), is an astronomical catalogue that lists stars.

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Star transit

A star transit is the passage of a star across the field of view of a telescope eyepiece.

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Star Trek: Voyager (season 4)

The fourth season of the American science fiction television series Star Trek: Voyager commenced airing on UPN in the United States on September 3, 1997, and concluded on May 20, 1998, after airing 26 episodes.

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Stars and planetary systems in fiction

The planetary systems of stars other than the Sun and the Solar System are a staple element in many works of the science fiction genre.

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Stellar kinematics

In astronomy, stellar kinematics is the observational study or measurement of the kinematics or motions of stars through space.

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Stellar parallax

Stellar parallax is the apparent shift of position of any nearby star (or other object) against the background of distant objects.

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Stellar triangulation

Stellar triangulation is a method of geodesy which uses cosmic instead of terrestrial targets.

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Steven J. Ostro

Steven Jeffrey Ostro (March 9, 1946 – December 15, 2008) was an American scientist specializing in radar astronomy.

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STS-82

STS-82 was the 22nd flight of the Space Shuttle ''Discovery'' and the 82nd mission of the Space Shuttle program.

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Substellar companion

Substellar companion is a generic term for an astronomical body orbiting a star.

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Sylvain Arend

Sylvain Julien Victor Arend (6 August 1902 – 18 February 1992) was a Belgian astronomer born in Robelmont, Luxembourg province, Belgium.

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Table Mountain Observatory

Table Mountain Observatory (TMO) is an astronomical observation facility operated by NASA's Jet Propulsion Laboratory (California Institute of Technology).

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Tests of general relativity

Tests of general relativity serve to establish observational evidence for the theory of general relativity.

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Tetsuya Fujii

Tetsuya Fujii (藤井哲也, Fujii Tetsuya; born 1960) is a Japanese amateur astronomer and prolific discoverer of minor planets.

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Theoretical astronomy

Theoretical astronomy is the use of the analytical models of physics and chemistry to describe astronomical objects and astronomical phenomena.

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Timeline of the formation of the Universe

This is a timeline of the formation and subsequent evolution of the Universe from the Big Bang (13.799 ± 0.021 billion years ago) to the present day.

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Triangulation

In trigonometry and geometry, triangulation is the process of determining the location of a point by forming triangles to it from known points.

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Triangulation (surveying)

In surveying, triangulation is the process of determining the location of a point by measuring only angles to it from known points at either end of a fixed baseline, rather than measuring distances to the point directly as in trilateration.

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True mass

The term true mass is synonymous with the term mass, but is used in astronomy to differentiate the measured mass of a planet from the lower limit of mass usually obtained from radial velocity techniques.

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Tycho-2 Catalogue

The Tycho-2 Catalogue is an astronomical catalogue of more than 2.5 million of the brightest stars.

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United States Naval Observatory

The United States Naval Observatory (USNO) is one of the oldest scientific agencies in the United States, with a primary mission to produce Positioning, Navigation and Timing (PNT) for the United States Navy and the United States Department of Defense.

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United States Naval Observatory Flagstaff Station

The United States Naval Observatory Flagstaff Station (NOFS), is an astronomical observatory near Flagstaff, Arizona, USA.

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Upsilon Andromedae

Upsilon Andromedae (υ Andromedae, abbreviated Upsilon And, υ And) is a binary star located approximately 44 light-years from Earth in the constellation of Andromeda.

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Upsilon Andromedae d

Upsilon Andromedae d (υ Andromedae d, abbreviated Upsilon And d, υ And d), also named Majriti, is a super-Jupiter exoplanet orbiting within the habitable zone of the Sun-like star Upsilon Andromedae A, approximately 44 light-years (13.5 parsecs, or nearly km) away from Earth in the constellation of Andromeda.

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V774104

V774104 is a trans-Neptunian object (TNO) with a radius roughly half that of Pluto or somewhat smaller.

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Valz Prize

The Valz Prize (Prix Valz) was awarded by the French Academy of Sciences, from 1877 through 1970, to honor advances in astronomy.

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Van Biesbroeck's star catalog

In 1961 the astronomer George Van Biesbroeck published a catalog of low luminosity stars discovered using the Otto Struve refractor telescope of the McDonald Observatory in Texas.

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Víctor Manuel Blanco

Víctor Manuel Blanco (March 10, 1918 – March 8, 2011) was a Puerto Rican astronomer who in 1959 discovered "Blanco 1," a galactic cluster.

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Very Long Baseline Array

The Very Long Baseline Array (VLBA) is a system of ten radio telescopes which are operated remotely from their Array Operations Center located in Socorro, New Mexico, as a part of the (LBO).

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Very-long-baseline interferometry

Very-long-baseline interferometry (VLBI) is a type of astronomical interferometry used in radio astronomy.

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Višnjan Observatory

Višnjan Observatory (Zvjezdarnica Višnjan; obs. code: 120) is an astronomical observatory located near the village of Višnjan in Croatia.

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VINITI Database RAS

VINITI Database RAS is a database provided by the All-Russian Institute for Scientific and Technical Information (VINITI).

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Walter Fricke

Walter Ernst Fricke (1April 191521March 1988) was a German distinguished professor of theoretical astronomy at the University of Heidelberg.

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Warkworth Radio Telescope

The Warkworth 12m Radio Telescope at the Warkworth Radio Astronomical Observatory is operated by the of Auckland University of Technology.

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Warren B. Offutt

Warren B. Offutt (born 1928) is an American amateur astronomer and amateur radio operator.

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Werner Landgraf

Werner Landgraf (29 July 1959 in Mainz) is a German astrophysicist and a discoverer of minor planets.

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William Ernest Cooke

William Ernest Cooke (25 July 1863 – 7 November 1947), generally referred to as W. Ernest Cooke or informally Ernest Cooke, was an Australian astronomer, credited with a number of important scientific breakthroughs and improved methodologies in astronomical observations and star cataloguing.

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William H. Jefferys

William H. "Bill" Jefferys (born 1940) is an American astronomer.

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WinStars

WinStars is an ASCOM standard-compliant shareware planetarium, ephemeris and solar system simulator developed by Richard Franck for the Android, iOS, Linux, OSX, and Microsoft Windows operating systems.

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Wulff-Dieter Heintz

Wulff-Dieter Heintz (3 June 1930 – 10 June 2006) was a German astronomer who worked the latter part of his career in the United States.

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X-ray astronomy

X-ray astronomy is an observational branch of astronomy which deals with the study of X-ray observation and detection from astronomical objects.

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X1 Centauri

x1 Centauri is a star located in the constellation Centaurus.

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X2 Centauri

x2 Centauri is a star located in the constellation Centaurus.

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XEphem

XEphem is a Motif based ephemeris and planetarium program for Unix-like operating systems developed by Elwood C. Downey.

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Yale University Observatory

The Yale University Observatory, also known as the Leitner Family Observatory and Planetarium, is an astronomical observatory owned and operated by Yale University, and maintained for student use.

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Yevgenia Bugoslavskaya

Yevgenia Yakovlevna Bugoslavskaya (21 December 1899 – 30 May 1960) was a Soviet era Russian astronomer.

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Yevgeniya Rudneva

Yevgeniya Maksimovna Rudneva (Евгения Максимовна Руднева), also known as Zhenya Rudneva (Женя Руднева) (24 December 1920 – 9 April 1944) was a Soviet military air navigator, a Hero of the Soviet Union, a member of the Moscow branch of the Astronomical-Geodesical Society of the USSR, and head of the Solar Department.

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Zdeňka Vávrová

Zdeňka Vávrová (born 1945) is a Czech astronomer.

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Zeta Herculis

Zeta Herculis (ζ Her, ζ Herculis) is a multiple star system in the constellation Hercules.

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Zij

A zīj (زيج) is an Islamic astronomical book that tabulates parameters used for astronomical calculations of the positions of the Sun, Moon, stars, and planets.

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(23135) 2000 AN146

, provisional designation, is a dark Jupiter trojan from the Greek camp, approximately in diameter.

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(486958) 2014 MU69

, previously designated and, and nicknamed Ultima Thule by the New Horizons team, is a trans-Neptunian object from the Kuiper belt located in the outermost regions of the Solar System.

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10 Ursae Majoris

10 Ursae Majoris (10 UMa) is a star in the constellation Lynx.

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101955 Bennu

101955 Bennu (provisional designation) is a carbonaceous asteroid in the Apollo group discovered by the LINEAR Project on September 11, 1999.

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10244 Thüringer Wald

10244 Thüringer Wald, provisional designation, is a Vestian asteroid from the inner regions of the asteroid belt, approximately in diameter.

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10245 Inselsberg

10245 Inselsberg, provisional designation, is a Gefion asteroid from the central regions of the asteroid belt, approximately in diameter.

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10247 Amphiaraos

10247 Amphiaraos, provisional designation, is Jupiter trojan from the Greek camp, approximately in diameter.

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10249 Harz

10249 Harz, provisional designation, is a background asteroid from the central regions of the asteroid belt, approximately in diameter.

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10251 Mulisch

10251 Mulisch, provisional designation, is a bright background asteroid from the inner regions of the asteroid belt, approximately in diameter.

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10252 Heidigraf

10252 Heidigraf, provisional designation, is a Koronian asteroid from the outer regions of the asteroid belt, approximately in diameter.

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1033 Simona

1033 Simona, provisional designation, is a stony Eoan asteroid from the outer regions of the asteroid belt, approximately 20 kilometers in diameter.

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10476 Los Molinos

10476 Los Molinos, provisional designation, is a stony background asteroid and slow rotator from the inner regions of the asteroid belt, approximately in diameter.

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10656 Albrecht

10656 Albrecht, provisional designation, is a carbonaceous asteroid from the outer region of the asteroid belt, approximately 10 kilometers in diameter.

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10660 Felixhormuth

10660 Felixhormuth, provisional designation, is a background asteroid from the outer regions of the asteroid belt, approximately 7 kilometers in diameter.

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109 Piscium b

109 Piscium b (aka HD 10697 b) is a long-period extrasolar planet discovered in orbit around 109 Piscium.

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10979 Fristephenson

10979 Fristephenson, provisional designation, is a carbonaceous Sulamitis asteroid from the inner regions of the asteroid belt, approximately in diameter.

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118401 LINEAR

118401 LINEAR, provisional designation, is an asteroid and main-belt comet (176P/LINEAR) that was discovered by the Lincoln Near-Earth Asteroid Research (LINEAR) 1-metre telescopes in Socorro, New Mexico on September 7, 1999.

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12621 Alsufi

12621 Alsufi, provisionally designated, is a carbonaceous Themistian asteroid from the outer region of the asteroid belt, approximately 7 kilometers in diameter.

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14335 Alexosipov

14335 Alexosipov, provisional designation, is a stony Flora asteroid from the inner regions of the asteroid belt, approximately 4 kilometers in diameter.

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1452 Hunnia

1452 Hunnia, provisional designation, is a carbonaceous Meliboean asteroid from the outer regions of the asteroid belt, approximately 20 kilometers in diameter.

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146 Lucina

146 Lucina is a main-belt asteroid that was discovered by Alphonse Borrelly on June 8, 1875, and named after Lucina, the Roman goddess of childbirth.

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1543 Bourgeois

1543 Bourgeois, provisional designation, is a stony asteroid from the central asteroid belt's background population, approximately 12 kilometers in diameter.

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16 Cygni

16 Cygni or 16 Cyg is the Flamsteed designation of a triple star system approximately 69 light-years away from Earth in the constellation of Cygnus.

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16 Cygni Bb

16 Cygni Bb or HD 186427 b is an extrasolar planet approximately 69 light-years away in the constellation of Cygnus.

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1600 Vyssotsky

1600 Vyssotsky, provisional designation, is a rare-type Hungaria asteroid and suspected interloper from the inner regions of the asteroid belt, approximately 7 kilometers in diameter.

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1776 Kuiper

1776 Kuiper, provisional designation, is a dark Eoan asteroid from the outer region of the asteroid belt, approximately 38 kilometers in diameter.

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1777 Gehrels

1777 Gehrels, also designated, is a stony asteroid from the middle region of the asteroid belt, approximately 13 kilometers in diameter.

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1778 Alfvén

1778 Alfvén, also designated, is a carbonaceous Themistian asteroid from the outer region of the asteroid belt, approximately 20 kilometers in diameter.

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1801 in science

The year 1801 in science and technology involved some significant events, listed below.

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1806 Derice

1806 Derice, provisional designation, is a stony Flora asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter.

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1809 Prometheus

1809 Prometheus, provisional designation, is an asteroid from the outer region of the asteroid belt, approximately 14 kilometers in diameter.

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1810 Epimetheus

1810 Epimetheus, provisional designation, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter.

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1840 Hus

1840 Hus, provisional designation, is an asteroid from the outer regions of the asteroid belt, approximately 13 kilometers in diameter.

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1846 Bengt

1846 Bengt, provisional designation, is a dark asteroid from the inner regions of the asteroid belt, approximately 11 kilometers in diameter.

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1847 in science

The year 1847 in science and technology involved some significant events, listed below.

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1851 Lacroute

1851 Lacroute, provisional designation, is an asteroid from the outer region of the asteroid belt, approximately 17 kilometers in diameter.

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185638 Erwinschwab

185638 Erwinschwab, provisional designation, is a potentially sub-kilometer Nysian asteroid from the inner regions of the asteroid belt.

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1868 Thersites

1868 Thersites, provisional designation, is a large Jupiter trojan from the Greek camp, approximately in diameter.

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1870 Glaukos

1870 Glaukos, provisional designation, is a mid-sized Jupiter trojan from the Trojan camp, approximately in diameter.

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1873 Agenor

1873 Agenor, provisional designation, is a dark Jupiter trojan from the Trojan camp, approximately in diameter.

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1877 Marsden

1877 Marsden, provisional designation, is a carbonaceous Hildian asteroid from the outermost region of the asteroid belt, approximately 35 kilometers in diameter.

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1902 Shaposhnikov

1902 Shaposhnikov, provisional designation, is a dark Hildian asteroid from the outermost region of the asteroid belt, approximately 92 kilometers in diameter.

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1912 Anubis

1912 Anubis, also designated, is a stony Koronian asteroid from the outer region of the asteroid belt, approximately 10 kilometers in diameter.

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1924 Horus

1924 Horus, provisional designation, is a dark asteroid from the inner regions of the asteroid belt, approximately 12 kilometers in diameter.

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1965 van de Kamp

1965 van de Kamp, provisional designation, is a stony asteroid from the central region of the asteroid belt, approximately 12 kilometers in diameter.

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1979 Sakharov

1979 Sakharov, provisionally designated, is a stony Vestian asteroid from the inner regions of the asteroid belt, approximately 4.5 kilometers in diameter.

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1983 Bok

1983 Bok, provisional designation, is a dark asteroid from the middle region of the asteroid belt, approximately 15 kilometers in diameter.

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1988 Delores

1988 Delores, provisional designation, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 5 kilometers in diameter.

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2003 Harding

2003 Harding, provisional designation, is a carbonaceous Eoan asteroid from the outer regions of the asteroid belt, approximately 18 kilometers in diameter.

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2006 RH120

is a tiny near-Earth asteroid and fast rotator with a diameter of approximately 2–3 meters that ordinarily orbits the Sun but makes close approaches to the Earth–Moon system around every twenty years, when it can temporarily enter Earth orbit through temporary satellite capture (TSC).

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2014 Vasilevskis

2014 Vasilevskis, provisional designation, is a stony Phocaean asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter.

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2044 Wirt

2044 Wirt, provisional designation, is a binary Phocaea asteroid and Mars-crosser, approximately 6.7 kilometers in diameter.

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2054 Gawain

2054 Gawain, provisional designation, is a dark and elongated asteroid from the outer regions of the asteroid belt, approximately 19 kilometers in diameter.

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20936 Nemrut Dagi

20936 Nemrut Dagi, provisional designation, is a stony asteroid from the innermost regions of the asteroid belt, approximately 3.5 kilometers in diameter.

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2246 Bowell

2246 Bowell, provisional designation, is a rare-type Hildian asteroid from the outermost region of the asteroid belt, approximately 44 kilometers in diameter.

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2324 Janice

2324 Janice, provisional designation, is a dark background asteroid from the outer regions of the asteroid belt, approximately in diameter.

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2436 Hatshepsut

2436 Hatshepsut, provisional designation, is a Hygiean asteroid from the outer asteroid belt, approximately 19 kilometers in diameter.

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25000 Astrometria

25000 Astrometria, provisional designation, is a dark background asteroid from the outer regions of the asteroid belt, approximately 20 kilometers in diameter.

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2554 Skiff

2554 Skiff, provisional designation, is a Florian asteroid from the inner regions of the asteroid belt, approximately in diameter.

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2934 Aristophanes

2934 Aristophanes, provisional designation, is a carbonaceous Veritasian asteroid from the outer regions of the asteroid belt, approximately 22 kilometers in diameter.

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2940 Bacon

2940 Bacon, provisional designation, is a carbonaceous Dorian asteroid from the central region of the asteroid belt, approximately 9 kilometers in diameter.

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2956 Yeomans

2956 Yeomans, provisional designation, is a stony asteroid from the central regions of the asteroid belt, approximately 10 kilometers in diameter.

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3015 Candy

3015 Candy, provisional designation, is a carbonaceous asteroid from the outer regions of the asteroid belt, approximately 25 kilometers in diameter.

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3047 Goethe

3047 Goethe, provisional designation, is a bright background asteroid from the central regions of the asteroid belt, approximately in diameter.

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30705 Idaios

30705 Idaios, provisional designation, is a Jupiter trojan from the Trojan camp, approximately in diameter.

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3184 Raab

3184 Raab, provisional designation, is a dark background asteroid and a potentially slow rotator from the central regions of the asteroid belt, approximately in diameter.

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3201 Sijthoff

3201 Sijthoff, provisional designation, is a background or Florian asteroid from the inner regions of the asteroid belt, approximately in diameter.

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3290 Azabu

3290 Azabu, provisional designation, is a dynamical Hildian asteroid from the outermost regions of the asteroid belt, approximately in diameter.

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3494 Purple Mountain

3494 Purple Mountain, provisional designation, is a bright Vestian asteroid and a formerly lost minor planet from the inner regions of the asteroid belt, approximately in diameter.

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3548 Eurybates

3548 Eurybates, provisional designation, is a carbonaceous Jupiter trojan from the Greek camp and the parent body of the Eurybates family, approximately in diameter.

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37452 Spirit

37452 Spirit, provisional designation, is a dark Hildian asteroid from the outermost region of the asteroid belt, approximately 9 kilometers in diameter.

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3785 Kitami

3785 Kitami, provisional designation, is a carbonaceous Themistian asteroid from the outer region of the asteroid belt, approximately 19 kilometers in diameter.

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3868 Mendoza

3868 Mendoza, provisional designation is a stony Vestian asteroid and binary system from the inner regions of the asteroid belt, approximately 9 kilometers in diameter.

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3936 Elst

3936 Elst, provisional designation, is a stony Vestian asteroid from the inner regions of the asteroid belt, approximately 5 kilometers in diameter.

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39382 Opportunity

39382 Opportunity, also designated, is a dark Hilidan asteroid from the outermost region of the asteroid belt, approximately 7.5 kilometers in diameter.

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3953 Perth

3953 Perth, provisional designation, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 4.5 kilometers in diameter.

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3982 Kastel'

3982 Kastel, provisional designation, is a Florian asteroid and a suspected binary system from the inner regions of the asteroid belt, approximately 6.9 kilometers in diameter.

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4007 Euryalos

4007 Euryalos, provisional designation, is a larger Jupiter trojan from the Greek camp, approximately in diameter.

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4015 Wilson–Harrington

4015 Wilson–Harrington is a small Solar System body known both as Comet Wilson–Harrington or 107P/Wilson–Harrington, and as an asteroid designated 4015 Wilson–Harrington.

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4065 Meinel

4065 Meinel, provisional designation, is an asteroid from the inner regions of the asteroid belt, approximately 4 kilometers in diameter.

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4068 Menestheus

4068 Menestheus, provisional designation, is a dark Jupiter trojan from the Greek camp, approximately in diameter.

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4138 Kalchas

4138 Kalchas, provisional designation, is a large Jupiter trojan from the Greek camp, approximately in diameter.

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4276 Clifford

4276 Clifford, provisional designation is an asteroid and sizable Mars-crosser from the innermost region of the asteroid belt, approximately 4.4 kilometers in diameter.

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4354 Euclides

4354 Euclides, provisional designation, is a dark Dorian asteroid from the central regions of the asteroid belt, approximately in diameter.

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4391 Balodis

4391 Balodis, provisional designation, is a dark and rare Erigone asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter.

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47 Ursae Majoris

47 Ursae Majoris (abbreviated 47 UMa), also named Chalawan (ชาละวัน), is a yellow dwarf star approximately 46 light-years from Earth in the constellation of Ursa Major.

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47 Ursae Majoris b

47 Ursae Majoris b (abbreviated 47 UMa b), also named Taphao Thong (ตะเภาทอง), is an extrasolar planet approximately 46 light-years from Earth in the constellation of Ursa Major.

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4722 Agelaos

4722 Agelaos, provisional designation, is a Jupiter trojan from the Trojan camp, approximately in diameter.

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4754 Panthoos

4754 Panthoos, provisional designation, is a Jupiter trojan from the Trojan camp, approximately in diameter.

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5010 Amenemhêt

5010 Amenemhêt, provisional designation, is a stony asteroid from the central region of the asteroid belt, approximately 9 kilometers in diameter.

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5011 Ptah

5011 Ptah, provisional designation, is an eccentric, rare-type asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group, and measures approximately 1.6 kilometers in diameter.

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5012 Eurymedon

5012 Eurymedon, provisional designation, is a mid-sized Jupiter trojan from the Greek camp, approximately in diameter.

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5041 Theotes

5041 Theotes, provisional designation, is a larger Jupiter trojan from the Greek camp, approximately in diameter.

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5148 Giordano

5148 Giordano, provisional designation, is a background asteroid from the outer regions of the asteroid belt, approximately in diameter.

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5196 Bustelli

5196 Bustelli, provisional designation, is a stony Eunomian asteroid from the central regions of the asteroid belt, approximately kilometers in diameter.

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55 Cancri

55 Cancri (abbreviated 55 Cnc) is a binary star approximately 41 light-years away from the Sun in the constellation of Cancer.

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55 Cancri d

55 Cancri d (abbreviated 55 Cnc d), also named Lipperhey, is an extrasolar planet in a long-period orbit around the Sun-like star 55 Cancri A. Located at a similar distance from its star as Jupiter is from our Sun, it is the fifth and outermost known planet in its planetary system.

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55 Cancri f

55 Cancri f (abbreviated 55 Cnc f), also designated Rho1 Cancri f and named Harriot, is an extrasolar planet approximately 41 light-years away from Earth in the constellation of Cancer (the Crab).

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5655 Barney

5655 Barney, provisional designation, is a Maria asteroid from the central regions of the asteroid belt, approximately in diameter.

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5756 Wassenbergh

5756 Wassenbergh, provisional designation, is a Rafita asteroid from the central regions of the asteroid belt, approximately in diameter.

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5951 Alicemonet

5951 Alicemonet, provisional designation, is a stony Flora asteroid from the inner regions of the asteroid belt, approximately 6 kilometers in diameter.

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6257 Thorvaldsen

6257 Thorvaldsen, provisional designation, is a bright Vestian asteroid from the inner regions of the asteroid belt, approximately in diameter.

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6344 P-L

6344 P-L is an unnumbered, sub-kilometer asteroid and suspected dormant comet, classified as near-Earth object and potentially hazardous asteroid of the Apollo group that was first observed on 24 September 1960, by astronomers and asteroid searchers Tom Gehrels, Ingrid van Houten-Groeneveld, and Cornelis Johannes van Houten during the Palomar–Leiden survey at Palomar Observatory.

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6615 Plutarchos

6615 Plutarchos, provisional designation, is a Florian asteroid and suspected binary from the inner regions of the asteroid belt, approximately 3.1 kilometers in diameter.

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70 Ophiuchi

70 Ophiuchi is a binary star system located 16.6 light years away from the Earth.

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7152 Euneus

7152 Euneus, provisional designation, is a Jupiter trojan from the Greek camp, approximately in diameter.

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7543 Prylis

7543 Prylis, provisional designation, is a Jupiter trojan from the Greek camp, approximately in diameter.

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7687 Matthias

7687 Matthias, provisional designation, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately in diameter.

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7794 Sanvito

7794 Sanvito, provisional designation, is a bright Vestian asteroid from the inner regions of the asteroid belt, approximately in diameter.

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7968 Elst–Pizarro

Comet Elst–Pizarro is a body that displays characteristics of both asteroids and comets, and is the prototype of main-belt comets.

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8121 Altdorfer

8121 Altdorfer, provisional designation, is a stony Flora asteroid from the inner regions of the asteroid belt, approximately 2 kilometers in diameter.

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8318 Averroes

8318 Averroes, provisional designation, is a dark Themistian asteroid from the outer regions of the asteroid belt, approximately in diameter.

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8441 Lapponica

8441 Lapponica, provisional designation, is a background asteroid from the Florian region of the inner asteroid belt, approximately in diameter.

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8776 Campestris

8776 Campestris, provisional designation, is a stony asteroid from the central region of the asteroid belt, approximately 10 kilometers in diameter.

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8967 Calandra

8967 Calandra, provisional designation, is a carbonaceous asteroid from the outer region of the asteroid belt, approximately 9 kilometers in diameter.

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9142 Rhesus

9142 Rhesus, provisional designation, is a larger Jupiter trojan from the Trojan camp, approximately in diameter.

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9826 Ehrenfreund

9826 Ehrenfreund, provisional designation, is a stony Eoan asteroid from the outer region of the asteroid belt, approximately 7 kilometers in diameter.

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988 Appella

988 Appella, provisional designation, is a dark Themistian asteroid and slow rotator from the outer region of the asteroid belt, approximately 26 kilometers in diameter.

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9905 Tiziano

9905 Tiziano, provisional designation, is an asteroid from the inner regions of the asteroid belt, approximately 5 kilometers in diameter.

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9909 Eschenbach

9909 Eschenbach, provisional designation, is an asteroid from the inner regions of the asteroid belt, roughly 10 kilometers in diameter.

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9910 Vogelweide

9910 Vogelweide, provisional designation, is a stony Koronian asteroid and elongated slow rotator from the outer regions of the asteroid belt, approximately 5 kilometers in diameter.

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9912 Donizetti

9912 Donizetti, provisional designation, is a stony Rafita asteroid from the central regions of the asteroid belt, approximately 7 kilometers in diameter.

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9994 Grotius

9994 Grotius, provisional designation, is a stony asteroid from the middle regions of the asteroid belt, approximately 3.5 kilometers in diameter.

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9999 Wiles

9999 Wiles, provisional designation, is a Koronian asteroid from the outer region of the asteroid belt, approximately 6 to 7 kilometers in diameter.

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Astrometric, Astrometrically, Astrometrics, Error box, Error circle, History of astrometry, Radio astrometry.

References

[1] https://en.wikipedia.org/wiki/Astrometry

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