B-type star · blue-white star
HR 2870
HR 2870 is a blue-white star in the constellation Puppis 745 ly from Earth. Its surface is about 12,610 K, about 2.2 times the Sun's surface temperature, and it shines at 189× the Sun's brightness. At magnitude 6.0 it is bright enough to see with the naked eye; the light you see left it 745 years ago.
Also catalogued as HD 59499 · HIP 36345
12,610 K
temperature
5.95
apparent magnitude
189× ☉
luminosity vs Sun
B3V+...
spectral type
Distance & comparison with our Sun
745 years
at light speed from Earth
2.18×
as hot as the Sun
189×
the Sun's light output
-0.84
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.