B-type star · blue-white star

HR 6690

633 lybrightness mag 6.28B9III

Also catalogued as HD 163641 · HIP 87866

10,316 K

temperature

6.28

apparent magnitude

101× ☉

luminosity vs Sun

B9III

spectral type

Distance & comparison with our Sun

633 years

at light speed from Earth

1.79×

as hot as the Sun

101×

the Sun's light output

-0.16

absolute magnitude

Explore from here · roam the neighborhood

HR 6690B-type

Sky regionOphiuchusthis direction

Nearest stars

66 Oph →31 ly apart
HD 158228 →91 ly apart
HR 6497 →93 ly apart
HR 6757 →110 ly apart
HR 6543 →110 ly apart
HR 6976 →110 ly apart

Bright stars in Ophiuchus

Sabik →mag 2.4
13Zet Oph →mag 2.5
Yed Prior →mag 2.7
Cebalrai →mag 2.8
27Kap Oph →mag 3.2
Yed Posterior →mag 3.2
42The Oph →mag 3.3
64Nu Oph →mag 3.3

Can you see it tonight?

BINOCULARS NEEDED

Brightness mag 6.3To 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.