A-type star · white star
Lambda Cep
Lambda Cep is a white star in the constellation Cepheus 1,977 ly from Earth. Its surface is about 8,225 K, about 1.4 times the Sun's surface temperature, and it shines at 3,056× the Sun's brightness. At magnitude 5.0 it is bright enough to see with the naked eye; the light you see left it 1,977 years ago.
Also catalogued as HR 8469 · HD 210839 · HIP 109556
8,225 K
temperature
5.05
apparent magnitude
3,056× ☉
luminosity vs Sun
O6e
spectral type
Distance & comparison with our Sun
1,977 years
at light speed from Earth
1.42×
as hot as the Sun
3,056×
the Sun's light output
-3.86
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.