A-type star · white star
Ruchbah
Ruchbah is a white star in the constellation Cassiopeia 99.4 ly from Earth. Its surface is about 8,486 K, about 1.5 times the Sun's surface temperature, and it shines at 69.82× the Sun's brightness. At magnitude 2.7 it is bright enough to see with the naked eye; the light you see left it 99 years ago.
Also catalogued as Delta Cas · HR 403 · HD 8538 · HIP 6686
8,486 K
temperature
2.66
apparent magnitude
69.82× ☉
luminosity vs Sun
A5Vv SB
spectral type
Distance & comparison with our Sun
99 years
at light speed from Earth
1.47×
as hot as the Sun
69.82×
the Sun's light output
0.24
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.