B-type star · blue-white star
HR 2863
HR 2863 is a blue-white star in the constellation Puppis 921 ly from Earth. Its surface is about 10,766 K, about 1.9 times the Sun's surface temperature, and it shines at 419× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 921 years ago.
Also catalogued as HD 59256 · HIP 36258
10,766 K
temperature
5.55
apparent magnitude
419× ☉
luminosity vs Sun
B9Vsp...
spectral type
Distance & comparison with our Sun
921 years
at light speed from Earth
1.87×
as hot as the Sun
419×
the Sun's light output
-1.71
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.