A-type star · white star
3 Gem
3 Gem is a white star in the constellation Gemini. Its surface is about 8,225 K, about 1.4 times the Sun's surface temperature, and it shines at 43,651,583× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye.
brightness mag 5.75B2.5Ib
Also catalogued as HR 2173 · HD 42087 · HIP 29225
8,225 K
temperature
5.75
apparent magnitude
43,651,583× ☉
luminosity vs Sun
B2.5Ib
spectral type
Distance & comparison with our Sun
–
at light speed from Earth
1.42×
as hot as the Sun
43,651,583×
the Sun's light output
-14.25
absolute magnitude
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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.