B-type star · blue-white star

31 Per

560 lybrightness mag 5.05B5V

Also catalogued as HR 989 · HD 20418 · HIP 15444

11,046 K

temperature

5.05

apparent magnitude

245× ☉

luminosity vs Sun

B5V

spectral type

Distance & comparison with our Sun

560 years

at light speed from Earth

1.91×

as hot as the Sun

245×

the Sun's light output

-1.13

absolute magnitude

Explore from here · roam the neighborhood

31 PerB-type

Sky regionPerseusthis direction

Nearest stars

HR 1011 →21 ly apart
34 Per →27 ly apart
HR 1037 →39 ly apart
HR 1034 →40 ly apart
37Psi Per →41 ly apart
HR 1029 →43 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
39Del Per →mag 3.0
25Rho Per →mag 3.3
Miram →mag 3.8
41Nu Per →mag 3.8

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.0To 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.