B-type star · blue-white star
Rasalnaqa
Rasalnaqa is a blue-white star in the constellation Andromeda 499 ly from Earth. Its surface is about 11,295 K, about 2.0 times the Sun's surface temperature, and it shines at 393× the Sun's brightness. At magnitude 4.3 it is bright enough to see with the naked eye; the light you see left it 499 years ago.
Also catalogued as Iota And · HR 8965 · HD 222173 · HIP 116631
11,295 K
temperature
4.29
apparent magnitude
393× ☉
luminosity vs Sun
B8V
spectral type
Distance & comparison with our Sun
499 years
at light speed from Earth
1.96×
as hot as the Sun
393×
the Sun's light output
-1.64
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.