K-type star · orange
Nu² CrB
Nu² CrB is an orange in the constellation Corona Borealis 594 ly from Earth. Its surface is about 3,759 K, about 0.7 times the Sun's surface temperature, and it shines at 200× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 594 years ago.
Also catalogued as HR 6108 · HD 147767 · HIP 80214
3,759 K
temperature
5.40
apparent magnitude
200× ☉
luminosity vs Sun
K5III
spectral type
Distance & comparison with our Sun
594 years
at light speed from Earth
0.65×
as hot as the Sun
200×
the Sun's light output
-0.90
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.