B-type star · blue-white star

HR 2921

HR 2921 is a blue-white star in the constellation Puppis 1,269 ly from Earth. Its surface is about 11,046 K, about 1.9 times the Sun's surface temperature, and it shines at 718× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 1,269 years ago.

1,269 lybrightness mag 5.66B2/3V(n)

Also catalogued as HD 60855 · HIP 36981

11,046 K
temperature
5.66
apparent magnitude
718× ☉
luminosity vs Sun
B2/3V(n)
spectral type
Distance & comparison with our Sun
1,269 years
at light speed from Earth
1.91×
as hot as the Sun
718×
the Sun's light output
-2.29
absolute magnitude
Explore from here · roam the neighborhood
HR 2921B-type
Sky regionPuppisthis direction
StarHR 2867100 ly
StarHR 3042150 ly
StarHR 3047150 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.