G-type star · yellow dwarf, like our Sun
12 Oph
12 Oph is a yellow dwarf much like our Sun in the constellation Ophiuchus 31.8 ly from Earth. Its surface is about 5,201 K, about 0.9 times the Sun's surface temperature, and it shines at 0.41× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 32 years ago.
Also catalogued as HR 6171 · HD 149661 · HIP 81300 · Gliese Gl 631
5,201 K
temperature
5.77
apparent magnitude
0.41× ☉
luminosity vs Sun
K2V
spectral type
Distance & comparison with our Sun
32 years
at light speed from Earth
0.90×
as hot as the Sun
0.41×
the Sun's light output
5.83
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
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.