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Encyclopedia > Beta Aurigae
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β Aurigae
Epoch J2000.0
Constellation Auriga
Right ascension 05h 59m 31.7s
Declination +44° 56' 51"
Distance 82.1 ± 1.6 ly (25.2 ± 0.5 pc)
Spectral type A2IV
Apparent magnitude +1.90
Other designations
Menkalinan, Menkalina,
34 Aurigae, HR 2088,
HD 40183, NN 3375,
BD+44°1328, FK5 227,
HIP 28360, SAO 40750,
GC 7543, ADS 4556,
CCDM 05596+4457

Beta Aurigae (β Aur / β Aurigae) is the second brightest star in the constellation Auriga. It also has the traditional name Menkalinan. In astronomy, an epoch is a moment in time for which celestial coordinates or orbital elements are specified. ... Jump to: navigation, search The J2000. ... Jump to: navigation, search Orion is a remarkable constellation, visible from most places on the globe (but not always the whole year long). ... Auriga can refer to: A constellation of stars A Roman slave chauffeur This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Right ascension (RA; symbol α: Greek letter alpha) is the astronomical term for one of the two coordinates of a point on the celestial sphere when using the equatorial coordinate system. ... In astronomy, declination (dec) is one of the two coordinates of the equatorial coordinate system, the other being either right ascension or hour angle. ... A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ... Jump to: navigation, search The parsec (symbol pc) is a unit of length used in astronomy. ... In astronomy, stellar classification is a classification of stars based initially on photospheric temperature and its associated spectral characteristics, and subsequenly refined in terms of other characteristics. ... The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object. ... In astronomy, many stars are referred to simply by catalogue numbers. ... The Henry Draper Catalogue is an astronomy catalogue with astrometric and spectroscopic data about more than 225,000 stars. ... In astronomy, many stars are referred to simply by catalogue numbers. ... In astronomy, many stars are referred to simply by catalogue numbers. ... In astronomy, many stars are referred to simply by catalogue numbers. ... In astronomy, many stars are referred to simply by catalogue numbers. ... In astronomy, many stars are referred to simply by catalogue numbers. ... Jump to: navigation, search Orion is a remarkable constellation, visible from most places on the globe (but not always the whole year long). ... Auriga (Latin for chariot) is a northern constellation. ...


Beta Aurigae is an eclipsing spectroscopic binary, and its apparent magnitude varies over a period of 3.96004 days between +1.85 and +1.93, as every 47.5 hours one of the stars partially eclipses the other from Earth's perspective. Menkalinan belongs to the spectral classification A2 and is 85 light years distant. An eclipsing binary star is a binary star in which the orbit plane of the two stars lies so nearly in the line of sight of the observer that the components undergo mutual eclipses. ... A spectroscopic binary star is a binary star which cannot be resolved as a visual binary, even with telescopes of the highest existing resolving power. ... The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object. ... Total solar eclipse in Zambia, 2001 An eclipse (Greek verb: ecleipo = cease to exist) is an astronomical event that occurs when one celestial object moves into the shadow of another. ... In astronomy, stellar classification is a classification of stars based initially on photospheric temperature and its associated spectral characteristics, and subsequenly refined in terms of other characteristics. ... A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ...


Beta Aurigae is believed to be a stream star member of the Ursa Major Moving Group. In 1869, Richard A. Proctor noticed that, except for Dubhe and Alkaid, the stars of the Big Dipper all have proper motions heading towards a common point in Sagittarius. ...


The name Menkalinan is shortened from the Arabic منكب ذي العنان mankib ðī-l-‘inān "shoulder of the rein-holder".


 
 

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