A-type star · white star
Upsilon Oph
Upsilon Oph is a white star in the constellation Ophiuchus 134 ly from Earth. Its surface is about 8,281 K, about 1.4 times the Sun's surface temperature, and it shines at 20.72× the Sun's brightness. At magnitude 4.6 it is bright enough to see with the naked eye; the light you see left it 134 years ago.
Also catalogued as HR 6129 · HD 148367 · HIP 80628
8,281 K
temperature
4.62
apparent magnitude
20.72× ☉
luminosity vs Sun
A3m
spectral type
Distance & comparison with our Sun
134 years
at light speed from Earth
1.43×
as hot as the Sun
20.72×
the Sun's light output
1.56
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.