B-type star · blue-white star
HR 979
HR 979 is a blue-white star in the constellation Perseus 645 ly from Earth. Its surface is about 10,475 K, about 1.8 times the Sun's surface temperature, and it shines at 90.28× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 645 years ago.
Also catalogued as HD 20283 · HIP 15282
10,475 K
temperature
6.44
apparent magnitude
90.28× ☉
luminosity vs Sun
B9p
spectral type
Distance & comparison with our Sun
645 years
at light speed from Earth
1.81×
as hot as the Sun
90.28×
the Sun's light output
-0.04
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.