Magnitude 5.54 Apparent magnitude (V) 5.54 | ||
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HD 104304 (24 G. Virginis) is a binary star in the zodiac constellation Virgo. It has an apparent magnitude of 5.54, making it visible to the unaided eye under suitable viewing conditions. The stellar classification of G8 IV means that this is a subgiant star that has left the main sequence and has begun to evolve into a giant star. In 2007, a candidate planet was announced orbiting this star. This was updated in 2011 when the companion was found to be a star. It is believed to have a mass of 0.21 solar masses (83 Jupiters), an orbital period of 7004177150000000000♠17715 days with an eccentricity of 0.29. Further measurement will be needed to determine whether the star has a planetary companion.
References
HD 104304 Wikipedia(Text) CC BY-SA