B-type star · blue-white star

Alfirk

685 lybrightness mag 3.23B2IIIv SB

Also catalogued as 8Bet Cep · HR 8238 · HD 205021 · HIP 106032

13,609 K

temperature

3.23

apparent magnitude

1,962× ☉

luminosity vs Sun

B2IIIv SB

spectral type

Distance & comparison with our Sun

685 years

at light speed from Earth

2.36×

as hot as the Sun

1,962×

the Sun's light output

-3.38

absolute magnitude

Explore from here · roam the neighborhood

AlfirkB-type

Sky regionCepheusthis direction

Nearest stars

HR 8493 →53 ly apart
HR 7868 →65 ly apart
HD 205938 →72 ly apart
HR 7804 →74 ly apart
HR 8625 →84 ly apart
HR 7805 →110 ly apart

Bright stars in Cepheus

Alderamin →mag 2.5
Errai →mag 3.2
21Zet Cep →mag 3.4
3Eta Cep →mag 3.4
32Iot Cep →mag 3.5
27Del Cep →mag 4.1
23Eps Cep →mag 4.2
2The Cep →mag 4.2

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 3.2To see it no equipment neededLook toward Cepheus

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.