B-type star · blue-white star
Alcyone
Alcyone is a blue-white star in the constellation Taurus 403 ly from Earth. Its surface is about 11,343 K, about 2.0 times the Sun's surface temperature, and it shines at 964× the Sun's brightness. At magnitude 2.9 it is bright enough to see with the naked eye; the light you see left it 403 years ago.
Also catalogued as Eta Tau · HR 1165 · HD 23630 · HIP 17702
11,343 K
temperature
2.85
apparent magnitude
964× ☉
luminosity vs Sun
B7III
spectral type
Distance & comparison with our Sun
403 years
at light speed from Earth
1.97×
as hot as the Sun
964×
the Sun's light output
-2.61
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.