B-type star · blue-white star
HR 3147
HR 3147 is a blue-white star in the constellation Carina 1,052 ly from Earth. Its surface is about 11,279 K, about 2.0 times the Sun's surface temperature, and it shines at 446× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 1,052 years ago.
Also catalogued as HD 66194 · HIP 38994
11,279 K
temperature
5.77
apparent magnitude
446× ☉
luminosity vs Sun
B2IVnpe
spectral type
Distance & comparison with our Sun
1,052 years
at light speed from Earth
1.95×
as hot as the Sun
446×
the Sun's light output
-1.77
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.