B-type star · blue-white star
31 Peg
31 Peg is a blue-white star in the constellation Pegasus 1,623 ly from Earth. Its surface is about 12,141 K, about 2.1 times the Sun's surface temperature, and it shines at 2,544× the Sun's brightness. At magnitude 4.8 it is bright enough to see with the naked eye; the light you see left it 1,623 years ago.
Also catalogued as HR 8520 · HD 212076 · HIP 110386
12,141 K
temperature
4.82
apparent magnitude
2,544× ☉
luminosity vs Sun
B2IV-V
spectral type
Distance & comparison with our Sun
1,623 years
at light speed from Earth
2.10×
as hot as the Sun
2,544×
the Sun's light output
-3.66
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.