B-type star · blue-white star
HR 2948
HR 2948 is a blue-white star in the constellation Puppis 347 ly from Earth. Its surface is about 12,671 K, about 2.2 times the Sun's surface temperature, and it shines at 297× the Sun's brightness. At magnitude 3.8 it is bright enough to see with the naked eye; the light you see left it 347 years ago.
Also catalogued as HD 61555 · HIP 37229
12,671 K
temperature
3.80
apparent magnitude
297× ☉
luminosity vs Sun
B5IV
spectral type
Distance & comparison with our Sun
347 years
at light speed from Earth
2.20×
as hot as the Sun
297×
the Sun's light output
-1.33
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.