K-type star · orange dwarf
70 Oph
70 Oph is an orange dwarf in the constellation Ophiuchus 16.6 ly from Earth. Its surface is about 5,106 K, about 0.9 times the Sun's surface temperature, and it shines at 0.55× the Sun's brightness. At magnitude 4.0 it is bright enough to see with the naked eye; the light you see left it 17 years ago.
Also catalogued as HR 6752 · HD 165341 · HIP 88601 · Gliese Gl 702A
5,106 K
temperature
4.03
apparent magnitude
0.55× ☉
luminosity vs Sun
K0V SB
spectral type
Distance & comparison with our Sun
17 years
at light speed from Earth
0.88×
as hot as the Sun
0.55×
the Sun's light output
5.50
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.