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Epoch J2000.0 Equinox J2000.0
|Right ascension||7h 44m 26.8s|
|Declination||24° 23' 53"|
|Apparent magnitude (V)||3.57|
|Spectral type||G8 IIIa|
Kappa Geminorum (κ Gem, κ Geminorum) is a Class G8, fourth-magnitude star in the constellation Gemini. It is a multiple star system located about 140 light-years from Earth. This star is radiating about 78 times the luminosity of the Sun. Since 1943, the spectrum of this star has served as one of the stable anchor points by which other stars are classified.
In Chinese astronomy, Kappa Geminorum is called 積薪, Pinyin: Jīxīn, meaning Pile of Firewood, because this star is marking itself and stand alone in Pile of Firewood asterism, Well mansion (see : Chinese constellation). 積薪 (Jīxīn) westernized into Tseih Tsing, but the name Tseih Tsing was designated for χ Gem and μ Cnc by R.H. Allen, with the meaning is "piled-up fuel" In Japanese, 隆博星 (Takahiro-boshi), meaning "Esteemed Nobilty Star," refers to the Japanese description of κ Geminorum.
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