B-type star · blue-white star
Aldhibah
Aldhibah is a blue-white star in the constellation Draco 328 ly from Earth. Its surface is about 11,920 K, about 2.1 times the Sun's surface temperature, and it shines at 476× the Sun's brightness. At magnitude 3.2 it is bright enough to see with the naked eye; the light you see left it 328 years ago.
Also catalogued as Zeta Dra · HR 6396 · HD 155763 · HIP 83895
11,920 K
temperature
3.17
apparent magnitude
476× ☉
luminosity vs Sun
B6III
spectral type
Distance & comparison with our Sun
328 years
at light speed from Earth
2.07×
as hot as the Sun
476×
the Sun's light output
-1.84
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.