A-type star · white star

HR 6633

HR 6633 is a white star in the constellation Ophiuchus 863 ly from Earth. Its surface is about 8,703 K, about 1.5 times the Sun's surface temperature, and it shines at 198× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 863 years ago.

863 lybrightness mag 6.22B9.5V

Also catalogued as HD 161941 · HIP 87150

8,703 K

temperature

6.22

apparent magnitude

198× ☉

luminosity vs Sun

B9.5V

spectral type

Distance & comparison with our Sun

863 years

at light speed from Earth

1.51×

as hot as the Sun

198×

the Sun's light output

-0.89

absolute magnitude

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HR 6633A-type

Sky regionOphiuchusthis direction

Nearest stars

Bright stars in Ophiuchus

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BINOCULARS NEEDED

Brightness mag 6.2To see it 50 mm binocularsLook 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.