F-type star · yellow-white star
Tau Oph
Tau Oph is a yellow-white star in the constellation Ophiuchus 167 ly from Earth. Its surface is about 6,827 K, about 1.2 times the Sun's surface temperature, and it shines at 28.37× the Sun's brightness. At magnitude 4.8 it is bright enough to see with the naked eye; the light you see left it 167 years ago.
Also catalogued as HR 6733 · HD 164764 · HIP 88404 · Gliese Gl 700.1B
6,827 K
temperature
4.77
apparent magnitude
28.37× ☉
luminosity vs Sun
F5V+...
spectral type
Distance & comparison with our Sun
167 years
at light speed from Earth
1.18×
as hot as the Sun
28.37×
the Sun's light output
1.22
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.