F-type star · yellow-white star
HR 5813
HR 5813 is a yellow-white star in the constellation Corona Borealis 120 ly from Earth. Its surface is about 6,709 K, about 1.2 times the Sun's surface temperature, and it shines at 3.07× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 120 years ago.
Also catalogued as HD 139389 · HIP 76456
6,709 K
temperature
6.46
apparent magnitude
3.07× ☉
luminosity vs Sun
F5V:
spectral type
Distance & comparison with our Sun
120 years
at light speed from Earth
1.16×
as hot as the Sun
3.07×
the Sun's light output
3.63
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.