B-type star · blue-white star

39Del Per

516 lybrightness mag 3.01B5III SB

Also catalogued as HR 1122 · HD 22928 · HIP 17358

12,011 K

temperature

3.01

apparent magnitude

1,363× ☉

luminosity vs Sun

B5III SB

spectral type

Distance & comparison with our Sun

516 years

at light speed from Earth

2.08×

as hot as the Sun

1,363×

the Sun's light output

-2.99

absolute magnitude

Explore from here · roam the neighborhood

39Del PerB-type

Sky regionPerseusthis direction

Nearest stars

HR 1034 →27 ly apart
HR 1029 →28 ly apart
HR 1037 →29 ly apart
Mirfak →34 ly apart
34 Per →35 ly apart
HR 1056 →36 ly apart

Bright stars in Perseus

Mirfak →mag 1.8
44Zet Per →mag 2.8
45Eps Per →mag 2.9
23Gam Per →mag 2.9
25Rho Per →mag 3.3
Miram →mag 3.8
41Nu Per →mag 3.8
Misam →mag 3.8

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 3.0To see it no equipment neededLook toward Perseus

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.