71 relations: Algol variable, American Association of Variable Star Observers, American Astronomical Society, Apparent magnitude, Astronomical unit, Astronomy Picture of the Day, Asymptotic giant branch, Auriga (constellation), Bayer designation, Bengt Strömgren, Binary star, Black hole, Bright Star Catalogue, California Institute of Technology, Canis Minor, Canopus, Capella, Carina (constellation), Catalogues of Fundamental Stars, Champaign, Illinois, Chi Aurigae, Chinese language, Circinus X-1, Citizen science, Constellation, Cygnus X-1, Durchmusterung, Eclipse, Eduard Heis, Epsilon Aurigae, Eta Aurigae, Far Ultraviolet Spectroscopic Explorer, Flamsteed designation, Friedrich Wilhelm Argelander, Georgia State University, Gerard Kuiper, Hans Ludendorff, Henry Draper Catalogue, Hipparcos, International Year of Astronomy, Jet Propulsion Laboratory, Johann Bayer, Julian day, Light pollution, Light-year, Main sequence, NASA, National Science Foundation, Neptune, Net (Chinese constellation), ..., Nu Aurigae, Otto Struve, Pasadena, California, Procyon, Robert Wilson (astronomer), Smithsonian Astrophysical Observatory Star Catalog, Spitzer Space Telescope, Stellar classification, Su-Shu Huang, Sun, Supergiant, Tau Aurigae, University of Illinois at Urbana–Champaign, University of Wisconsin–Madison, Upsilon Aurigae, Uranometria, Urbana, Illinois, Variable star, Yellow supergiant, Zeta Aurigae, 26 Aurigae. Expand index (21 more) » « Shrink index
Algol variables or Algol-type binaries are a class of eclipsing binary stars that are related to the prototype member of this class, β Persei (Beta Persei, Algol) from an evolutionary point of view.
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Since its founding in 1911, the American Association of Variable Star Observers (AAVSO) has coordinated, collected, evaluated, analyzed, published, and archived variable star observations made largely by amateur astronomers and makes the records available to professional astronomers, researchers, and educators.
The American Astronomical Society (AAS, sometimes spoken as "double-A-S") is an American society of professional astronomers and other interested individuals, headquartered in Washington, DC.
The apparent magnitude (m) of a celestial object is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere.
The astronomical unit (symbol au, AU or ua) is a unit of length, roughly the distance from the Earth to the Sun.
Astronomy Picture of the Day (APOD) is a website provided by NASA and Michigan Technological University (MTU).
The asymptotic giant branch is the region of the Hertzsprung–Russell diagram populated by evolving low- to medium-mass stars.
Auriga is one of the 48 constellations listed by the 2nd-century astronomer Ptolemy and remains one of the 88 modern constellations.
A Bayer designation is a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name.
Bengt Georg Daniel Strömgren (21 January 1908 – 4 July 1987) was a Danish astronomer and astrophysicist.
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A binary star is a star system consisting of two stars orbiting around their common center of mass.
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A black hole is a geometrically defined region of spacetime exhibiting such strong gravitational effects that nothing—including particles and electromagnetic radiation such as light—can escape from inside it.
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The Bright Star Catalogue, also known as the Yale Catalogue of Bright Stars or Yale Bright Star Catalogue, is a star catalogue that lists all stars of stellar magnitude 6.5 or brighter, which is roughly every star visible to the naked eye from Earth.
The California Institute of Technology or CaltechThe university itself only spells its short form as "Caltech"; other spellings such as.
Canis Minor is a small constellation in the northern celestial hemisphere.
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Canopus (α Car, α Carinae, Alpha Carinae) is the brightest star in the southern constellation of Carina, and the second brightest star in the night-time sky, after Sirius.
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Capella is the brightest star in the constellation Auriga, the sixth brightest in the night sky and the third brightest in the northern celestial hemisphere, after Arcturus and Vega.
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Carina is a constellation in the southern sky.
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.
Champaign is a city in Champaign County, Illinois, United States.
Chi Aurigae (χ Aur, χ Aurigae) is the Bayer designation for a binary star in the northern constellation of Auriga.
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Chinese (汉语 / 漢語; Hànyǔ or 中文; Zhōngwén) is a group of related but in many cases mutually unintelligible language varieties, forming a branch of the Sino-Tibetan language family.
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Circinus X-1 is an X-ray binary star system that includes a neutron star.
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Citizen science (also known as crowd science, crowd-sourced science, civic science, volunteer monitoring or networked science) is scientific research conducted, in whole or in part, by amateur or nonprofessional scientists.
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In modern astronomy, a constellation is a specific area of the celestial sphere as defined by the International Astronomical Union (IAU).
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Cygnus X-1 (abbreviated Cyg X-1) is a well-known galactic X-ray source, thought to be a black hole, in the constellation Cygnus.
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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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An eclipse is an astronomical event that occurs when an astronomical object is temporarily obscured, either by passing into the shadow of another body or by having another body pass between it and the viewer.
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Eduard Heis (18 February 1806, Cologne – 30 June 1877 in Münster) was a German mathematician and astronomer.
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Epsilon Aurigae (ε Aur, ε Aurigae) is the Bayer designation for a star in the northern constellation of Auriga.
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Eta Aurigae (η Aur, η Aurigae) is a star in the constellation Auriga.
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The Far Ultraviolet Spectroscopic Explorer (FUSE) is a space-based telescope operated by the Johns Hopkins University Applied Physics Laboratory.
Flamsteed designations for stars are similar to Bayer designations, except that they use numbers instead of Greek and Roman letters.
Friedrich Wilhelm August Argelander (22 March 1799 – 17 February 1875) was a German astronomer.
Georgia State University (GSU) is a public research university in downtown Atlanta, Georgia, United States.
Gerard Peter Kuiper (born Gerrit Pieter Kuiper; December 7, 1905 – December 23, 1973) was a Dutch–American astronomer, planetary scientist, selenographer, author and professor.
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Friedrich Wilhelm Hans Ludendorff (Dunowo, 26 May 1873 - Potsdam, 26 June 1941) was a German astronomer and astrophysicist.
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The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts, which gave classifications for 86,933 more stars.
Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.
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The International Year of Astronomy (IYA2009) was a year-long celebration of astronomy that took place in 2009 to coincide with the 400th anniversary of the first recorded astronomical observations with a telescope by Galileo Galilei and the publication of Johannes Kepler's Astronomia nova in the 17th century.
The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center located in Pasadena, California, United States.
Johann Bayer (1572 – 7 March 1625) was a German lawyer and uranographer (celestial cartographer).
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Julian day is the continuous count of days since the beginning of the Julian Period used primarily by astronomers.
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Light pollution, also known as photopollution or luminous pollution, is excessive, misdirected, or obtrusive artificial light.
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A light-year (abbreviation: ly), sometimes written light year, is a unit of length used informally to express astronomical distances.
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In astronomy, the main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness.
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The National Aeronautics and Space Administration (NASA) is the United States government agency responsible for the civilian space program as well as aeronautics and aerospace research.
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The National Science Foundation (NSF) is a United States government agency that supports fundamental research and education in all the non-medical fields of science and engineering.
Neptune is the eighth and farthest planet from the Sun in the Solar System.
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The Net mansion is one of the Twenty-eight mansions of the Chinese constellations.
Nu Aurigae (ν Aur, ν Aurigae) is the Bayer designation for a star in the northern constellation of Auriga.
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Otto Struve (August 12, 1897 – April 6, 1963) was a Ukrainian–American astronomer.
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Pasadena is a city in Los Angeles County, California, United States.
Procyon (α CMi, α Canis Minoris, Alpha Canis Minoris) is the brightest star in the constellation Canis Minor.
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Sir Robert Wilson (16 April 1927 - 2 September 2002) CBE, FRS, was the son of a Durham miner.
The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue.
The Spitzer Space Telescope (SST), formerly the Space Infrared Telescope Facility (SIRTF), is an infrared space observatory launched in 2003.
In astronomy, stellar classification is the classification of stars based on their spectral characteristics.
Su-Shu Huang (黃授書, April 16, 1915 – September 15, 1977) was an American astrophysicist.
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The Sun (in Greek: Helios, in Latin: Sol) is the star at the center of the Solar System and is by far the most important source of energy for life on Earth.
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Supergiants are among the most massive and most luminous stars.
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Tau Aurigae (τ Aur, τ Aurigae) is the Bayer designation for a star in the constellation Auriga.
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The University of Illinois at Urbana–Champaign (U of I, University of Illinois, UIUC, or simply Illinois) is a public research-intensive university in the U.S. state of Illinois.
The University of Wisconsin–Madison (also known as University of Wisconsin, Wisconsin, "UW", or regionally as, UW–Madison, or simply Madison) is a public research university located in Madison, Wisconsin, United States.
Upsilon Aurigae (υ Aur, υ Aurigae) is the Bayer designation for a star in the northern constellation of Auriga.
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Uranometria is the short title of a star atlas produced by Johann Bayer.
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Not to be confused with Urbana, Champaign County, Ohio Urbana is a city in and the county seat of Champaign County, Illinois, United States.
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A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.
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A yellow supergiant (YSG) is a supergiant star of spectral type F or G. These stars have initial masses between about 10 and 40 solar masses, although some yellow supergiants will have lost over half of that.
Zeta Aurigae (ζ Aur, ζ Aurigae) is the Bayer designation for a binary star system in the northern constellation of Auriga.
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26 Aurigae is a star in the constellation Auriga.
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