F-type star · yellow-white star
HR 8100
HR 8100 is a yellow-white star in the constellation Microscopium 103 ly from Earth. Its surface is about 6,625 K, about 1.1 times the Sun's surface temperature, and it shines at 4.07× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 103 years ago.
Also catalogued as HD 201647 · HIP 104680 · Gliese GJ 9726
6,625 K
temperature
5.83
apparent magnitude
4.07× ☉
luminosity vs Sun
F5IV
spectral type
Distance & comparison with our Sun
103 years
at light speed from Earth
1.15×
as hot as the Sun
4.07×
the Sun's light output
3.33
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.