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DO Cephei

Two average red dwarfs.

Constellation: Cepheus
Distance: 13.1 light-years
Radial velocity: -33.3 km/sec
Orbit period of DO Cephei A and B: 44.6 years

DO Cephei A

Spectral class: M3n
Visual magnitude: 9.85
Luminosity: 0.0016 * Sun
Mass: 0.26 * Sun
Diameter: 0.35 * Sun
 

DO Cephei B

Spectral class: M4
Visual magnitude: 11.30
Luminosity: 0.00042 * Sun
Mass: 0.14 * Sun
Diameter: 0.24 * Sun

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