K-type star · orange
20 Cep
20 Cep is an orange in the constellation Cepheus 303 ly from Earth. Its surface is about 3,929 K, about 0.7 times the Sun's surface temperature, and it shines at 58.67× the Sun's brightness. At magnitude 5.3 it is bright enough to see with the naked eye; the light you see left it 303 years ago.
Also catalogued as HR 8426 · HD 209960 · HIP 109005
3,929 K
temperature
5.27
apparent magnitude
58.67× ☉
luminosity vs Sun
K4III
spectral type
Distance & comparison with our Sun
303 years
at light speed from Earth
0.68×
as hot as the Sun
58.67×
the Sun's light output
0.43
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.