B-type star · blue-white star
24 Oph
24 Oph is a blue-white star in the constellation Ophiuchus 304 ly from Earth. Its surface is about 10,355 K, about 1.8 times the Sun's surface temperature, and it shines at 44.67× the Sun's brightness. At magnitude 5.6 it is bright enough to see with the naked eye; the light you see left it 304 years ago.
Also catalogued as HR 6291 · HD 152849 · HIP 82925
10,355 K
temperature
5.57
apparent magnitude
44.67× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
304 years
at light speed from Earth
1.79×
as hot as the Sun
44.67×
the Sun's light output
0.72
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.