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Gaia (spacecraft)

Index 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. [1]

90 relations: Albert Einstein, Arianespace, Arthur Eddington, Astrium, Astrometry, Astronomical object, Astronomy & Astrophysics, Atira asteroid, Aviation Week & Space Technology, Cardinal point (optics), Cebreros Station, Centre de données astronomiques de Strasbourg, Cepheid variable, Charge-coupled device, Chemical element, Cold gas thruster, Coordinated Universal Time, Cosmic distance ladder, Data Processing and Analysis Consortium, Data-rate units, Diffraction grating, Doppler effect, Earth, Effective temperature, Ensemble de Lancement Soyouz, Ephemeris, ESTRACK, European Space Agency, Exoplanet, Fregat, French Guiana, Galactic Center, General relativity, Gigapixel image, Gravitational lens, Gravity, Guiana Space Centre, Hipparcos, Hubble Space Telescope, Hubble's law, Interferometry, International Celestial Reference System, InterSystems Caché, Kapteyn Astronomical Institute, Lennart Lindegren, LISA Pathfinder, Lissajous orbit, Luminosity, Magnitude (astronomy), Malargüe Station, ..., Michael Perryman, Milky Way, Minor Planet Center, Minute and second of arc, Nature Astronomy, Netherlands, New Norcia Station, Optical spectrometer, Optical table, Orbital pole, Pan-STARRS, Parallax, Precession, Primary mirror, Prism, Proper motion, Quasar, S band, Sculptor Dwarf Galaxy, Sculpture, Silicon carbide, Solar eclipse, Solar panel, Soyuz at the Guiana Space Centre, Space Interferometry Mission, Space telescope, Spacetime, Spectrometer, Spectrophotometry, Stellar parallax, Sun, Supernova, Teledyne e2v, Terabyte, The New York Times, Three-mirror anastigmat, Tycho-2 Catalogue, University of Cambridge, University of Groningen, X band. Expand index (40 more) »

Albert Einstein

Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics).

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Arianespace SA is a multinational company founded in 1980 as the world's first commercial launch service provider.

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Arthur Eddington

Sir Arthur Stanley Eddington (28 December 1882 – 22 November 1944) was an English astronomer, physicist, and mathematician of the early 20th century who did his greatest work in astrophysics.

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Astrium was an aerospace manufacturer subsidiary of the European Aeronautic Defence and Space Company (EADS) that provided civil and military space systems and services from 2006 to 2013.

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

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Astronomical object

An astronomical object or celestial object is a naturally occurring physical entity, association, or structure that exists in the observable universe.

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Astronomy & Astrophysics

Astronomy & Astrophysics is a peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.

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Atira asteroid

Atira asteroids or Apohele asteroids, also known as Interior-Earth Objects (IEOs), are asteroids, whose orbits are entirely confined within Earth's orbit, that is, their orbit has an aphelion (farthest point from the Sun) smaller than Earth's perihelion (nearest point to the Sun), which is 0.983 astronomical units (AU).

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Aviation Week & Space Technology

Aviation Week & Space Technology, often abbreviated Aviation Week or AW&ST, is the flagship magazine of the Aviation Week Network.

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Cardinal point (optics)

In Gaussian optics, the cardinal points consist of three pairs of points located on the optical axis of a rotationally symmetric, focal, optical system.

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Cebreros Station

Cebreros Station (also known as DSA 2 or Deep Space Antenna 2) is a European Space Agency, ESTRACK radio antenna station for communication with spacecraft, located about 10 km east of Cebreros and 90 km from Madrid, Spain, operated by the European Space Operations Centre and INTA.

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Centre de données astronomiques de Strasbourg

The Centre de Données astronomiques de Strasbourg (CDS; English translation: Strasbourg Astronomical Data Center) is a data hub which collects and distributes astronomical information.

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Cepheid variable

A Cepheid variable is a type of star that pulsates radially, varying in both diameter and temperature and producing changes in brightness with a well-defined stable period and amplitude.

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Charge-coupled device

A charge-coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for example conversion into a digital value.

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Chemical element

A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).

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Cold gas thruster

A cold gas thruster is a propulsive device that uses pressurized inert gas as the reaction mass.

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Coordinated Universal Time

No description.

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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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Data Processing and Analysis Consortium

The Gaia Data Processing and Analysis Consortium (DPAC) is a group of over 400 European scientists and software engineers formed with the objective to design, develop and execute the data processing system for ESA's ambitious Gaia space astrometry mission.

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Data-rate units

In telecommunications, data-transfer rate is the average number of bits (bitrate), characters or symbols (baudrate), or data blocks per unit time passing through a communication link in a data-transmission system.

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Diffraction grating

In optics, a diffraction grating is an optical component with a periodic structure that splits and diffracts light into several beams travelling in different directions.

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Doppler effect

The Doppler effect (or the Doppler shift) is the change in frequency or wavelength of a wave in relation to observer who is moving relative to the wave source.

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Earth is the third planet from the Sun and the only astronomical object known to harbor life.

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Effective temperature

The effective temperature of a body such as a star or planet is the temperature of a black body that would emit the same total amount of electromagnetic radiation.

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Ensemble de Lancement Soyouz

The Ensemble de Lancement Soyouz (ELS) (in English Soyuz Launch Complex) is a launch complex at the Guiana Space Centre in Kourou/Sinnamary, French Guiana.

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In astronomy and celestial navigation, an ephemeris (plural: ephemerides) gives the positions of naturally occurring astronomical objects as well as artificial satellites in the sky at a given time or times.

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The European Space Operations Centre (ESOC) operates a number of ground-based space-tracking stations for the European Space Agency (ESA) known as the European Space Tracking (ESTRACK) network.

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European Space Agency

The European Space Agency (ESA; Agence spatiale européenne, ASE; Europäische Weltraumorganisation) is an intergovernmental organisation of 22 member states dedicated to the exploration of space.

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An exoplanet or extrasolar planet is a planet outside our solar system.

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Fregat (Фрегат, frigate) is an upper stage developed by NPO Lavochkin in the 1990s, which is used in some Soyuz and Zenit rockets.

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French Guiana

French Guiana (pronounced or, Guyane), officially called Guiana (Guyane), is an overseas department and region of France, on the north Atlantic coast of South America in the Guyanas.

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Galactic Center

The Galactic Center is the rotational center of the Milky Way.

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General relativity

General relativity (GR, also known as the general theory of relativity or GTR) is the geometric theory of gravitation published by Albert Einstein in 1915 and the current description of gravitation in modern physics.

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Gigapixel image

A gigapixel image is a digital image bitmap composed of one billion (109) pixels (picture elements), 1000 times the information captured by a 1 megapixel digital camera.

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Gravitational lens

A gravitational lens is a distribution of matter (such as a cluster of galaxies) between a distant light source and an observer, that is capable of bending the light from the source as the light travels towards the observer.

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Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.

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Guiana Space Centre

The Guiana Space Centre or, more commonly, Centre Spatial Guyanais (CSG) is a French and European spaceport to the northwest of Kourou in French Guiana.

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

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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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Hubble's law

Hubble's law is the name for the observation in physical cosmology that.

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Interferometry is a family of techniques in which waves, usually electromagnetic waves, are superimposed causing the phenomenon of interference in order to extract information.

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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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InterSystems Caché

InterSystems Caché is a commercial operational database management system from InterSystems, used to develop software applications for healthcare management, banking and financial services, government, and other sectors.

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Kapteyn Astronomical Institute

The Kapteyn Astronomical Institute is the department of astronomy of the University of Groningen in the Netherlands.

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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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LISA Pathfinder

LISA Pathfinder, formerly Small Missions for Advanced Research in Technology-2 (SMART-2), was an ESA spacecraft that was launched on 3 December 2015.

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Lissajous orbit

In orbital mechanics, a Lissajous orbit, named after Jules Antoine Lissajous, is a quasi-periodic orbital trajectory that an object can follow around a Lagrangian point of a three-body system without requiring any propulsion.

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In astronomy, luminosity is the total amount of energy emitted per unit of time by a star, galaxy, or other astronomical object.

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Magnitude (astronomy)

In astronomy, magnitude is a logarithmic measure of the brightness of an object in a defined passband, often in the visible or infrared spectrum, but sometimes across all wavelengths.

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Malargüe Station

Malargüe Station (also known as DSA 3 or Deep Space Antenna 3) is a 35-metre ESTRACK radio antenna in Argentina.

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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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Milky Way

The Milky Way is the galaxy that contains our Solar System.

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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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Nature Astronomy

Nature Astronomy is an online, peer reviewed, scientific journal published by the Nature Publishing Group, owned by Springer Nature.

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The Netherlands (Nederland), often referred to as Holland, is a country located mostly in Western Europe with a population of seventeen million.

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New Norcia Station

New Norcia Station (also known as NNO) is an ESTRACK Earth station in Australia for communication with spacecraft after launch, in low earth orbit, in geostationary orbit and in deep space.

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Optical spectrometer

An optical spectrometer (spectrophotometer, spectrograph or spectroscope) is an instrument used to measure properties of light over a specific portion of the electromagnetic spectrum, typically used in spectroscopic analysis to identify materials.

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Optical table

An optical table is a vibration control platform that is used to support systems used for laser- and optics-related experiments, engineering and manufacturing.

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Orbital pole

An orbital pole is either point at the ends of an imaginary line segment that runs through the center of an orbit (of a revolving body like a planet) and is perpendicular to the orbital plane.

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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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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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Precession is a change in the orientation of the rotational axis of a rotating body.

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Primary mirror

A primary mirror (or primary) is the principal light-gathering surface (the objective) of a reflecting telescope.

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In optics, a prism is a transparent optical element with flat, polished surfaces that refract light.

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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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A quasar (also known as a QSO or quasi-stellar object) is an extremely luminous active galactic nucleus (AGN).

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S band

The S band is a designation by the Institute of Electrical and Electronics Engineers (IEEE) for a part of the microwave band of the electromagnetic spectrum covering frequencies from 2 to 4 gigahertz (GHz).

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Sculptor Dwarf Galaxy

The Sculptor Dwarf Galaxy (also known as Sculptor Dwarf Elliptical Galaxy or the Sculptor Dwarf Spheroidal Galaxy) is a dwarf spheroidal galaxy that is a satellite of the Milky Way.

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Sculpture is the branch of the visual arts that operates in three dimensions.

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Silicon carbide

Silicon carbide (SiC), also known as carborundum, is a semiconductor containing silicon and carbon.

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Solar eclipse

A solar eclipse (as seen from the planet Earth) is a type of eclipse that occurs when the Moon passes between the Sun and Earth, and when the Moon fully or partially blocks ("occults") the Sun.

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Solar panel

Photovoltaic solar panels absorb sunlight as a source of energy to generate electricity.

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Soyuz at the Guiana Space Centre

Soyuz at the Guiana Space Centre (also known as Soyuz at CSG or Arianespace Soyuz) is an ongoing ESA programme for operating Soyuz-ST launch vehicles from Guiana Space Centre (CSG), providing medium-size launch capability for Arianespace to accompany the light Vega and heavy-lift Ariane 5.

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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

A space telescope or space observatory is an instrument located in outer space to observe distant planets, galaxies and other astronomical objects.

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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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A spectrometer is a scientific instrument used to separate and measure spectral components of a physical phenomenon.

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In chemistry, spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength.

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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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The Sun is the star at the center of the Solar System.

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A supernova (plural: supernovae or supernovas, abbreviations: SN and SNe) is a transient astronomical event that occurs during the last stellar evolutionary stages of a star's life, either a massive star or a white dwarf, whose destruction is marked by one final, titanic explosion.

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Teledyne e2v

Teledyne e2v (previously known as e2v) is a global manufacturer with its headquarters in England, that designs, develops and manufactures technology systems and components in healthcare, life sciences, space, transportation, defence and security and industrial markets.

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The terabyte is a multiple of the unit byte for digital information.

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The New York Times

The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.

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Three-mirror anastigmat

A three-mirror anastigmat is a telescope built with three curved mirrors, enabling it to minimize all three main optical aberrations - spherical aberration, coma, and astigmatism.

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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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University of Cambridge

The University of Cambridge (informally Cambridge University)The corporate title of the university is The Chancellor, Masters, and Scholars of the University of Cambridge.

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University of Groningen

The University of Groningen (abbreviated as UG; Rijksuniversiteit Groningen, abbreviated as RUG) is a public research university in the city of Groningen in the Netherlands.

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X band

The X band is the designation for a band of frequencies in the microwave radio region of the electromagnetic spectrum.

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Redirects here:

2013-074A, 2015 HP116, GAIA (satellite), GAIA Data Release 2, GDR1, Gaia DR1, Gaia Data Release 1, Gaia Data Release 2, Gaia Mission, Gaia Probe, Gaia Space Observatory, Gaia Space Telescope, Gaia mission, Gaia probe, Gaia satellite, Gaia space observatory, Gaia space telescope, Gaia spacecraft, Global Astrometric Interferometer for Astrophysics, VizieR On-line Data Catalog: I/337. Originally published in: Astron. Astrophys.


[1] https://en.wikipedia.org/wiki/Gaia_(spacecraft)

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