B-type star · blue-white star
2 Per
2 Per is a blue-white star in the constellation Perseus 482 ly from Earth. Its surface is about 11,046 K, about 1.9 times the Sun's surface temperature, and it shines at 100× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 482 years ago.
Also catalogued as HR 536 · HD 11291 · HIP 8714
11,046 K
temperature
5.70
apparent magnitude
100× ☉
luminosity vs Sun
B9p...
spectral type
Distance & comparison with our Sun
482 years
at light speed from Earth
1.91×
as hot as the Sun
100×
the Sun's light output
-0.15
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.