B-type star · blue-white star
68 Her
68 Her is a blue-white star in the constellation Hercules 666 ly from Earth. Its surface is about 12,817 K, about 2.2 times the Sun's surface temperature, and it shines at 436× the Sun's brightness. At magnitude 4.8 it is bright enough to see with the naked eye; the light you see left it 666 years ago.
Also catalogued as HR 6431 · HD 156633 · HIP 84573
12,817 K
temperature
4.80
apparent magnitude
436× ☉
luminosity vs Sun
B1.5Vp
spectral type
Distance & comparison with our Sun
666 years
at light speed from Earth
2.22×
as hot as the Sun
436×
the Sun's light output
-1.75
absolute magnitude
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VISIBLE TO THE NAKED EYE
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.