A-type star · white star
100 Her
100 Her is a white star in the constellation Hercules 162 ly from Earth. Its surface is about 8,503 K, about 1.5 times the Sun's surface temperature, and it shines at 9.98× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 162 years ago.
Also catalogued as HR 6781 · HD 166045 · HIP 88818
8,503 K
temperature
5.83
apparent magnitude
9.98× ☉
luminosity vs Sun
A3V
spectral type
Distance & comparison with our Sun
162 years
at light speed from Earth
1.47×
as hot as the Sun
9.98×
the Sun's light output
2.35
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.