B-type star · blue-white star

Iota Oph

Iota Oph is a blue-white star in the constellation Ophiuchus 245 ly from Earth. Its surface is about 11,375 K, about 2.0 times the Sun's surface temperature, and it shines at 86.38× the Sun's brightness. At magnitude 4.4 it is bright enough to see with the naked eye; the light you see left it 245 years ago.

245 lybrightness mag 4.39B8V

Also catalogued as HR 6281 · HD 152614 · HIP 82673

11,375 K

temperature

4.39

apparent magnitude

86.38× ☉

luminosity vs Sun

B8V

spectral type

Distance & comparison with our Sun

245 years

at light speed from Earth

1.97×

as hot as the Sun

86.38×

the Sun's light output

0.01

absolute magnitude

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Iota OphB-type

Sky regionOphiuchusthis direction

Nearest stars

Bright stars in Ophiuchus

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 4.4To 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.