F-type star · yellow-white star
20 CVn
20 CVn is a yellow-white star in the constellation Canes Venatici 264 ly from Earth. Its surface is about 7,424 K, about 1.3 times the Sun's surface temperature, and it shines at 73.99× the Sun's brightness. At magnitude 4.7 it is bright enough to see with the naked eye; the light you see left it 264 years ago.
Also catalogued as HR 5017 · HD 115604 · HIP 64844
7,424 K
temperature
4.72
apparent magnitude
73.99× ☉
luminosity vs Sun
F3III
spectral type
Distance & comparison with our Sun
264 years
at light speed from Earth
1.29×
as hot as the Sun
73.99×
the Sun's light output
0.18
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.