K-type star · orange
Cebalrai
Cebalrai is an orange in the constellation Ophiuchus 81.8 ly from Earth. Its surface is about 4,372 K, about 0.8 times the Sun's surface temperature, and it shines at 43.17× the Sun's brightness. At magnitude 2.8 it is bright enough to see with the naked eye; the light you see left it 82 years ago.
Also catalogued as Beta Oph · HR 6603 · HD 161096 · HIP 86742
4,372 K
temperature
2.76
apparent magnitude
43.17× ☉
luminosity vs Sun
K2III
spectral type
Distance & comparison with our Sun
82 years
at light speed from Earth
0.76×
as hot as the Sun
43.17×
the Sun's light output
0.76
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.