K-type star · orange
Omicron Boo
Omicron Boo is an orange in the constellation Boötes 243 ly from Earth. Its surface is about 4,811 K, about 0.8 times the Sun's surface temperature, and it shines at 69.89× the Sun's brightness. At magnitude 4.6 it is bright enough to see with the naked eye; the light you see left it 243 years ago.
Also catalogued as HR 5502 · HD 129972 · HIP 72125 · Gliese GJ 9493
4,811 K
temperature
4.60
apparent magnitude
69.89× ☉
luminosity vs Sun
K0III
spectral type
Distance & comparison with our Sun
243 years
at light speed from Earth
0.83×
as hot as the Sun
69.89×
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.