B-type star · blue-white star
Cujam
Cujam is a blue-white star in the constellation Hercules 250 ly from Earth. Its surface is about 10,100 K, about 1.7 times the Sun's surface temperature, and it shines at 76.14× the Sun's brightness. At magnitude 4.6 it is bright enough to see with the naked eye; the light you see left it 250 years ago.
Also catalogued as Omega Her · HR 6117 · HD 148112 · HIP 80463
10,100 K
temperature
4.57
apparent magnitude
76.14× ☉
luminosity vs Sun
B9p Cr
spectral type
Distance & comparison with our Sun
250 years
at light speed from Earth
1.75×
as hot as the Sun
76.14×
the Sun's light output
0.15
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.