B-type star · blue-white star

Epsilon Her

Epsilon Her is a blue-white star in the constellation Hercules 155 ly from Earth. Its surface is about 10,355 K, about 1.8 times the Sun's surface temperature, and it shines at 53.21× the Sun's brightness. At magnitude 3.9 it is bright enough to see with the naked eye; the light you see left it 155 years ago.

155 lybrightness mag 3.92A0V

Also catalogued as HR 6324 · HD 153808 · HIP 83207

10,355 K
temperature
3.92
apparent magnitude
53.21× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
155 years
at light speed from Earth
1.79×
as hot as the Sun
53.21×
the Sun's light output
0.54
absolute magnitude
Explore from here · roam the neighborhood
Epsilon HerB-type
Sky regionHerculesthis direction
Star39 Her19 ly
StarHR 622223 ly
StarHR 637727 ly
StarKornephorosstar
StarRasalgethistar
Nearest stars
Bright stars in Hercules
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 3.9To 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.