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Krüger 60

Krüger 60 imaged in the near-infrared and in z'-band by the Robo AO telescope
Also known by the variable star designation DO Cephei, a nearby binary star system, in the constellation of Cepheus, consisting of two red dwarfs, one of which (Krüger 60B) is a flare star. The pair lie 13.15 light-years away and orbit around each other with a period of 44 years.

The Krüger 60 components
  Krüger 60A Krüger 60B
visual magnitude 9.79 11.41
absolute magnitude 11.76 13.38
spectral type M3V M4V

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