B-type star · blue-white star
HR 3023
HR 3023 is a blue-white star in the constellation Puppis 1,639 ly from Earth. Its surface is about 13,121 K, about 2.3 times the Sun's surface temperature, and it shines at 960× the Sun's brightness. At magnitude 5.9 it is bright enough to see with the naked eye; the light you see left it 1,639 years ago.
Also catalogued as HD 63271 · HIP 37995
13,121 K
temperature
5.90
apparent magnitude
960× ☉
luminosity vs Sun
B1/B2V
spectral type
Distance & comparison with our Sun
1,639 years
at light speed from Earth
2.27×
as hot as the Sun
960×
the Sun's light output
-2.61
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.