B-type star · blue-white star
HR 5801
HR 5801 is a blue-white star in the constellation Libra 621 ly from Earth. Its surface is about 10,290 K, about 1.8 times the Sun's surface temperature, and it shines at 106× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 621 years ago.
Also catalogued as HD 139160 · HIP 76503
10,290 K
temperature
6.19
apparent magnitude
106× ☉
luminosity vs Sun
B9IV
spectral type
Distance & comparison with our Sun
621 years
at light speed from Earth
1.78×
as hot as the Sun
106×
the Sun's light output
-0.21
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.