B-type star · blue-white star

HR 2770

HR 2770 is a blue-white star in the constellation Puppis 753 ly from Earth. Its surface is about 12,712 K, about 2.2 times the Sun's surface temperature, and it shines at 452× the Sun's brightness. At magnitude 5.0 it is bright enough to see with the naked eye; the light you see left it 753 years ago.

753 lybrightness mag 5.03B3V

Also catalogued as HD 56779 · HIP 35226

12,712 K
temperature
5.03
apparent magnitude
452× ☉
luminosity vs Sun
B3V
spectral type
Distance & comparison with our Sun
753 years
at light speed from Earth
2.20×
as hot as the Sun
452×
the Sun's light output
-1.79
absolute magnitude
Explore from here · roam the neighborhood
HR 2770B-type
Sky regionPuppisthis direction
StarHR 27906.3 ly
StarHR 279442 ly
StarHR 278750 ly
StarNaosstar
StarTureisstar
Nearest stars
Bright stars in Puppis
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.0To 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.