B-type star · blue-white star

HR 7817

712 lybrightness mag 6.09B8II/III

Also catalogued as HD 194783 · HIP 101017

11,473 K

temperature

6.09

apparent magnitude

152× ☉

luminosity vs Sun

B8II/III

spectral type

Distance & comparison with our Sun

712 years

at light speed from Earth

1.99×

as hot as the Sun

152×

the Sun's light output

-0.61

absolute magnitude

Explore from here · roam the neighborhood

HR 7817B-type

Sky regionMicroscopiumthis direction

Nearest stars

HR 7832 →84 ly apart
HR 7970 →94 ly apart
Eta Mic →120 ly apart
HR 8124 →120 ly apart
HR 7507 →120 ly apart
HR 7491 →130 ly apart

Bright stars in Microscopium

Gam Mic →mag 4.7
Eps Mic →mag 4.7
The1Mic →mag 4.8
Alp Mic →mag 4.9
Iot Mic →mag 5.1
Nu Mic →mag 5.1
Zet Mic →mag 5.3
Eta Mic →mag 5.5

Can you see it tonight?

BINOCULARS NEEDED

Brightness mag 6.1To see it 50 mm binocularsLook toward Microscopium

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.