B-type star · blue-white star

HR 6977

HR 6977 is a blue-white star in the constellation Hercules 647 ly from Earth. Its surface is about 10,051 K, about 1.7 times the Sun's surface temperature, and it shines at 166× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 647 years ago.

647 lybrightness mag 5.79A0Vn

Also catalogued as HD 171623 · HIP 91118

10,051 K
temperature
5.79
apparent magnitude
166× ☉
luminosity vs Sun
A0Vn
spectral type
Distance & comparison with our Sun
647 years
at light speed from Earth
1.74×
as hot as the Sun
166×
the Sun's light output
-0.70
absolute magnitude
Explore from here · roam the neighborhood
HR 6977B-type
Sky regionHerculesthis direction
StarHR 685248 ly
StarHR 706749 ly
StarHR 688267 ly
StarKornephorosstar
StarRasalgethistar
Nearest stars
Bright stars in Hercules
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.8To see it no equipment neededLook toward Hercules

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.