A-type star · white star
Upsilon CrB
Upsilon CrB is a white star in the constellation Corona Borealis 667 ly from Earth. Its surface is about 9,402 K, about 1.6 times the Sun's surface temperature, and it shines at 174× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 667 years ago.
Also catalogued as HR 6074 · HD 146738 · HIP 79757
9,402 K
temperature
5.80
apparent magnitude
174× ☉
luminosity vs Sun
A3V
spectral type
Distance & comparison with our Sun
667 years
at light speed from Earth
1.63×
as hot as the Sun
174×
the Sun's light output
-0.75
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
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.