B-type star · blue-white star

HR 2288

HR 2288 is a blue-white star in the constellation Columba 1,941 ly from Earth. Its surface is about 13,166 K, about 2.3 times the Sun's surface temperature, and it shines at 1,859× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 1,941 years ago.

1,941 lybrightness mag 5.55B3V

Also catalogued as HD 44506 · HIP 30143

13,166 K
temperature
5.55
apparent magnitude
1,859× ☉
luminosity vs Sun
B3V
spectral type
Distance & comparison with our Sun
1,941 years
at light speed from Earth
2.28×
as hot as the Sun
1,859×
the Sun's light output
-3.32
absolute magnitude
Explore from here · roam the neighborhood
HR 2288B-type
Sky regionColumbathis direction
StarHR 2501210 ly
StarHR 2397220 ly
StarSigma Col330 ly
StarPhactstar
StarWaznstar
Nearest stars
Bright stars in Columba
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.5To see it no equipment neededLook toward Columba

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.