Home (Alhena)
Home  
 
 
Home » Astronomy » Alhena


 

Alhena

Astronomy AlgorabAlioth

Alhena (Gamma Geminorum)
Alhena (center) with Mu Geminorum at upper right. Image: © Akira Fujii
A subgiant A star and the third brightest member of the constellation Gemini.

 


Alhena derives from the Arabic term Al Han'ah. The Arabic term apparently means a brand or mark on the right side of the neck of a horse or camel.

Alhena
Gamma Geminorum
Arabic: "the mark" on the right side of a camel's neck ...

Gemini, the Twins, represented by Castor (Alpha Geminorum) and Pollux (Beta Gem) at its northern end, is anchored at the bottom by Alhena (Gamma) and at the southwest corner by a pair of similar stars, Tejat (Mu Gem) and our Propus, ...

Alhena Gamma Geminorum
Alioth Epsilon Ursae Majoris
Alkaid Eta Ursae Majoris
Al Kurud Theta Columbae
Al Kalb al Rai Rho-2 Cephei
Alkalurops Mu Bootis
Al Kaphrah Chi Ursae Majoris
Alkes Alpha Crateris
Alkurah Xi Cephei
Almach Gamma Andromedae ...

The named stars in Gemini: (Greek alphabet)
Alhena (γ Gem), Alzir, (ξ Gem), Castor (α Gem), Mebsuta (ε Gem), Pollux (β Gem), Procyon (α Gem), Propus (η Gem), Tejat Posterior, (μ Gem), Wasat (δ Gem).

Named stars: Alpha Gem (Castor), Beta Gem (Pollux), Gamma Gem (Alhena), Delta Gem (Wasat), Zeta Gem (Mekbuda), Eta Gem (Tejat)
Info: Gemini is one of the 13 zodiacal constellations (that is, the Sun passes through it in the course of the year).

The "Pollux twin" looks like he is trying to balance on ORION's shoulder. He has a straight left leg formed by a line from Pollux to his left foot, Alhena. If you continue that line you'll come to Betelgeuse (and Rigel).

[3939] gamma Geminorum, a spectroscopic binary star with a faint companion, is also known as Alhena ("the brand") and Almeisan ("the shining one"). The Chinese know it as "the Third Star of the Well." ...

See also: Sun, Earth, Distance, Gemini, Star