B-type star · blue-white star
Alfarasalkamil
Alfarasalkamil is a blue-white star in the constellation Andromeda 687 ly from Earth. Its surface is about 11,556 K, about 2.0 times the Sun's surface temperature, and it shines at 1,377× the Sun's brightness. At magnitude 3.6 it is bright enough to see with the naked eye; the light you see left it 687 years ago.
Also catalogued as Omicron And · HR 8762 · HD 217675 · HIP 113726
11,556 K
temperature
3.62
apparent magnitude
1,377× ☉
luminosity vs Sun
B6pv SB
spectral type
Distance & comparison with our Sun
687 years
at light speed from Earth
2.00×
as hot as the Sun
1,377×
the Sun's light output
-3.00
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.