B-type star · blue-white star

HR 2790

HR 2790 is a blue-white star in the constellation Puppis 757 ly from Earth. Its surface is about 12,902 K, about 2.2 times the Sun's surface temperature, and it shines at 424× the Sun's brightness. At magnitude 5.1 it is bright enough to see with the naked eye; the light you see left it 757 years ago.

757 lybrightness mag 5.11A0V

Also catalogued as HD 57219 · HIP 35406

12,902 K
temperature
5.11
apparent magnitude
424× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
757 years
at light speed from Earth
2.24×
as hot as the Sun
424×
the Sun's light output
-1.72
absolute magnitude
Explore from here · roam the neighborhood
HR 2790B-type
Sky regionPuppisthis direction
StarHR 27706.3 ly
StarHR 279445 ly
StarHR 278747 ly
StarNaosstar
StarTureisstar
Nearest stars
Bright stars in Puppis
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.1To 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.