B-type star · blue-white star

45 And

45 And is a blue-white star in the constellation Andromeda 790 ly from Earth. Its surface is about 11,489 K, about 2.0 times the Sun's surface temperature, and it shines at 244× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 790 years ago.

790 lybrightness mag 5.80B7III-IV

Also catalogued as HR 348 · HD 7019 · HIP 5550

11,489 K
temperature
5.80
apparent magnitude
244× ☉
luminosity vs Sun
B7III-IV
spectral type
Distance & comparison with our Sun
790 years
at light speed from Earth
1.99×
as hot as the Sun
244×
the Sun's light output
-1.12
absolute magnitude
Explore from here · roam the neighborhood
45 AndB-type
Sky regionAndromedathis direction
StarHR 43885 ly
StarTau And110 ly
StarHR 157120 ly
StarAlpheratzstar
StarMirachstar
Nearest stars
Bright stars in Andromeda
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.8To see it no equipment neededLook toward Andromeda

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.