B-type star · blue-white star
Albireo B
Albireo B is a blue-white star in the constellation Cygnus 400 ly from Earth. Its surface is about 11,489 K, about 2.0 times the Sun's surface temperature, and it shines at 117× the Sun's brightness. At magnitude 5.1 it is bright enough to see with the naked eye; the light you see left it 400 years ago.
Also catalogued as Beta² Cyg · HR 7418 · HD 183914 · HIP 95951
11,489 K
temperature
5.12
apparent magnitude
117× ☉
luminosity vs Sun
B8V
spectral type
Distance & comparison with our Sun
400 years
at light speed from Earth
1.99×
as hot as the Sun
117×
the Sun's light output
-0.32
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.