Alpha Comae Berenices (α Com / α Comae Berenices) is a star in the constellationComa Berenices (Berenice's Hair). Although it has the Bayer designation "alpha", at magnitude 4.32 it is actually fainter than Beta Comae Berenices. It also has the traditional name Diadem. It is said to represent the crown worn by Queen Berenice. STAR is an acronym for: Organizations Society of Ticket Agents and Retailers], the self-regulatory body for the entertainment ticket industry in the UK. Society for Telescopy, Astronomy, and Radio, a non-profit New Jersey astronomy club. ... This article does not cite any references or sources. ... Coma Berenices (IPA: , Latin: ) is a traditional asterism that has since become a constellation. ... The tone or style of this article or section may not be appropriate for Wikipedia. ... The apparent magnitude (m) of a star, planet or other celestial body is a measure of its apparent brightness as seen by an observer on Earth. ... Beta Coma Berenices (Î² Comae Berenices / Î² Com) is a main sequence dwarf star in the constellation of Coma Berenices. ... If you are looking for something or someone else named Berenice, please go here. ...
It is a binary star, with almost equal components of magnitudes 5.05m and 5.08m orbiting each other with a period of 25.87 years. The system, estimated to be 65 light years distant, appears so nearly "edge-on" from the Earth that the two stars appear to move back-and-forth in a straight line, but it is not an eclipsing binary. The mean separation between them is approximately 10 A.U., about the distance between the sun and Saturn. Artists impression of a binary system consisting of a black hole, with an accretion disc around it, and a main sequence star. ... A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ... This article is about Earth as a planet. ... Animation showing how an eclipsing binary stars light intensity changes as they orbit 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. ... The astronomical unit (AU or au or a. ... Sol redirects here. ... Adjectives: Saturnian Atmosphere  Scale height: 59. ...
Ra 13h 09m 59.55s
Dec +17° 31' 44.8"
Distance 30 ly
Spectral Class G0V
Categories: Bayer objects | Binary stars | Coma Berenices constellation | Yellow-white dwarfs | Multiple star stubs
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