B-type star · blue-white star

Gomeisa

Gomeisa is a blue-white star in the constellation Canis Minor 162 ly from Earth. Its surface is about 11,523 K, about 2.0 times the Sun's surface temperature, and it shines at 149× the Sun's brightness. At magnitude 2.9 it is bright enough to see with the naked eye; the light you see left it 162 years ago.

162 lybrightness mag 2.89B8Vvar

Also catalogued as Beta CMi · HR 2845 · HD 58715 · HIP 36188

11,523 K
temperature
2.89
apparent magnitude
149× ☉
luminosity vs Sun
B8Vvar
spectral type
Distance & comparison with our Sun
162 years
at light speed from Earth
2.00×
as hot as the Sun
149×
the Sun's light output
-0.59
absolute magnitude
Explore from here · roam the neighborhood
GomeisaB-type
Sky regionCanis Minorthis direction
StarHR 277914 ly
StarDelta² CMi29 ly
StarHR 291835 ly
StarGamma CMistar
Star6 CMistar
Nearest stars
Bright stars in Canis Minor
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 2.9To see it no equipment neededLook toward Canis Minor

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.