A-type star · white star
HR 8258
HR 8258 is a white star in the constellation Pegasus 645 ly from Earth. Its surface is about 8,650 K, about 1.5 times the Sun's surface temperature, and it shines at 111× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 645 years ago.
Also catalogued as HD 205541 · HIP 106605
8,650 K
temperature
6.22
apparent magnitude
111× ☉
luminosity vs Sun
A4V
spectral type
Distance & comparison with our Sun
645 years
at light speed from Earth
1.50×
as hot as the Sun
111×
the Sun's light output
-0.26
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.