B-type star · blue-white star
Zeta¹ CrB
Zeta¹ CrB is a blue-white star in the constellation Corona Borealis 473 ly from Earth. Its surface is about 11,624 K, about 2.0 times the Sun's surface temperature, and it shines at 256× the Sun's brightness. At magnitude 4.6 it is bright enough to see with the naked eye; the light you see left it 473 years ago.
Also catalogued as HR 5833 · HD 139891 · HIP 76669
11,624 K
temperature
4.64
apparent magnitude
256× ☉
luminosity vs Sun
B7V+...
spectral type
Distance & comparison with our Sun
473 years
at light speed from Earth
2.01×
as hot as the Sun
256×
the Sun's light output
-1.17
absolute magnitude
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VISIBLE TO THE NAKED EYE
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.