A-type star · white star

Zeta Oph

Zeta Oph is a white star in the constellation Ophiuchus 366 ly from Earth. Its surface is about 9,675 K, about 1.7 times the Sun's surface temperature, and it shines at 1,058× the Sun's brightness. At magnitude 2.5 it is bright enough to see with the naked eye; the light you see left it 366 years ago.

366 lybrightness mag 2.54O9.5V

Also catalogued as HR 6175 · HD 149757 · HIP 81377

9,675 K
temperature
2.54
apparent magnitude
1,058× ☉
luminosity vs Sun
O9.5V
spectral type
Distance & comparison with our Sun
366 years
at light speed from Earth
1.68×
as hot as the Sun
1,058×
the Sun's light output
-2.71
absolute magnitude
Explore from here · roam the neighborhood
Zeta OphA-type
Sky regionOphiuchusthis direction
StarHR 617926 ly
StarChi Sco40 ly
Star11 Sco48 ly
StarSabikstar
StarYed Priorstar
Nearest stars
Bright stars in Ophiuchus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 2.5To see it no equipment neededLook toward Ophiuchus

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.