B-type star · blue-white star
HR 3237
HR 3237 is a blue-white star in the constellation Puppis 929 ly from Earth. Its surface is about 11,744 K, about 2.0 times the Sun's surface temperature, and it shines at 865× the Sun's brightness. At magnitude 4.8 it is bright enough to see with the naked eye; the light you see left it 929 years ago.
Also catalogued as HD 68980 · HIP 40274
11,744 K
temperature
4.78
apparent magnitude
865× ☉
luminosity vs Sun
B2ne
spectral type
Distance & comparison with our Sun
929 years
at light speed from Earth
2.03×
as hot as the Sun
865×
the Sun's light output
-2.49
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.