Gamma Geminorum

Starbox begin
name=Gamma Geminorum A Starbox image


caption=Alhena is the γ star in the constellation of Gemini. Starbox observe
epoch=J2000
ra=06^h 37^m 42.7^s
dec=+16° 23′ 57″
appmag_v=1.93
constell=Gemini Starbox character
class=A0 IV
b-v=0.00
u-b=0.06
variable=? Starbox astrometry
radial_v=-12.1
prop_mo_ra=-2.04
prop_mo_dec=-66.92
parallax=31.12
p_error=2.33
absmag_v=-0.61 Starbox detail
mass=2.8
radius=4.4
luminosity=160 | temperature=9,750
metal=?
rotation=32 km/s.
age=? Starbox catalog
names=Alhena, 24 Geminorum, HR 2421, BD +16°1223, HD 47105,
GCTP1539.00, SAO 95912, FK5 251, HIP 31681.

Gamma Geminorum (γ Gem / γ Geminorum) is a star in the constellation Gemini. It also has traditional names Alhena and Almeisan. It is known as 井宿三 (the Third Star of the Well) in Chinese.

Alhena is 105 light years distant from Earth, and has an apparent magnitude of 1.93 (absolute magnitude −0.7) and belongs to the spectral class A0. It is a spectroscopic binary with a faint class-G companion.

The name Alhena is from the Arabic الهنعه "Al Han'ah", "the brand" (on the neck of the camel), whilst the alternate name Almeisan is from the Arabic المیسان "Al Maisan", "the shining one."

the Alhena was also a Dutch ship dat saved many people from another ship called teh Principessa Mafalda