F-type star · yellow-white star
45 Oph
45 Oph is a yellow-white star in the constellation Ophiuchus 112 ly from Earth. Its surface is about 6,870 K, about 1.2 times the Sun's surface temperature, and it shines at 19.79× the Sun's brightness. At magnitude 4.3 it is bright enough to see with the naked eye; the light you see left it 112 years ago.
Also catalogued as HR 6492 · HD 157919 · HIP 85423
6,870 K
temperature
4.28
apparent magnitude
19.79× ☉
luminosity vs Sun
F3III
spectral type
Distance & comparison with our Sun
112 years
at light speed from Earth
1.19×
as hot as the Sun
19.79×
the Sun's light output
1.61
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.