A-type star · white star
HR 6455
HR 6455 is a white star in the constellation Hercules 447 ly from Earth. Its surface is about 9,402 K, about 1.6 times the Sun's surface temperature, and it shines at 117× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 447 years ago.
Also catalogued as HD 157087 · HIP 84821
9,402 K
temperature
5.36
apparent magnitude
117× ☉
luminosity vs Sun
A3III
spectral type
Distance & comparison with our Sun
447 years
at light speed from Earth
1.63×
as hot as the Sun
117×
the Sun's light output
-0.32
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.