B-type star · blue-white star
Alhena
Also catalogued as 24Gam Gem · HR 2421 · HD 47105 · HIP 31681
10,113 K
temperature
1.93
apparent magnitude
165× ☉
luminosity vs Sun
A0IV
spectral type
Distance & comparison with our Sun
109 years
at light speed from Earth
1.75×
as hot as the Sun
165×
the Sun's light output
-0.70
absolute magnitude
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Can you see it tonight?
VISIBLE TO THE NAKED EYE
Star data from the HYG database v4.2 (Astronexus, CC BY-SA 4.0). Temperature and colour computed by gravityfinder from the B-V colour index; the illustration is generated from that temperature, not a photograph.