B-type star · blue-white star
HR 7109
HR 7109 is a blue-white star in the constellation Hercules 682 ly from Earth. Its surface is about 10,226 K, about 1.8 times the Sun's surface temperature, and it shines at 127× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 682 years ago.
Also catalogued as HD 174853 · HIP 92593
10,226 K
temperature
6.19
apparent magnitude
127× ☉
luminosity vs Sun
B8Vnn
spectral type
Distance & comparison with our Sun
682 years
at light speed from Earth
1.77×
as hot as the Sun
127×
the Sun's light output
-0.41
absolute magnitude
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BINOCULARS NEEDED
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.