A-type star · white star
Rho¹ Cep
Rho¹ Cep is a white star in the constellation Cepheus 206 ly from Earth. Its surface is about 8,394 K, about 1.5 times the Sun's surface temperature, and it shines at 16.19× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 206 years ago.
Also catalogued as HR 8578 · HD 213403 · HIP 110787
8,394 K
temperature
5.83
apparent magnitude
16.19× ☉
luminosity vs Sun
A2m
spectral type
Distance & comparison with our Sun
206 years
at light speed from Earth
1.45×
as hot as the Sun
16.19×
the Sun's light output
1.83
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.