B-type star · blue-white star

HR 3091

HR 3091 is a blue-white star in the constellation Puppis 678 ly from Earth. Its surface is about 13,011 K, about 2.3 times the Sun's surface temperature, and it shines at 242× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 678 years ago.

678 lybrightness mag 5.48B2V

Also catalogued as HD 64802 · HIP 38593

13,011 K
temperature
5.48
apparent magnitude
242× ☉
luminosity vs Sun
B2V
spectral type
Distance & comparison with our Sun
678 years
at light speed from Earth
2.25×
as hot as the Sun
242×
the Sun's light output
-1.11
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.5To see it no equipment neededLook toward Puppis

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.