B-type star · blue-white star

HR 2940

HR 2940 is a blue-white star in the constellation Puppis 463 ly from Earth. Its surface is about 10,612 K, about 1.8 times the Sun's surface temperature, and it shines at 93.07× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 463 years ago.

463 lybrightness mag 5.69B9V

Also catalogued as HD 61391 · HIP 37043

10,612 K
temperature
5.69
apparent magnitude
93.07× ☉
luminosity vs Sun
B9V
spectral type
Distance & comparison with our Sun
463 years
at light speed from Earth
1.84×
as hot as the Sun
93.07×
the Sun's light output
-0.07
absolute magnitude
Explore from here · roam the neighborhood
HR 2940B-type
Sky regionPuppisthis direction
StarHR 276134 ly
StarHR 313336 ly
StarHR 281538 ly
StarNaosstar
StarPi Pupstar
Nearest stars
Bright stars in Puppis
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.7To 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.