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Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Cygnus
Right ascension 19h 34m 57.989s[1]
Declination +44° 26′ 54.28″[1]

Kepler-78 is a 12th magnitude star in the constellation Cygnus.[1] It is 27% smaller in radius than the Sun. It has a temperature of 5143K.[citation needed] A planet, called Kepler-78b orbits very tightly.


  1. ^ a b c "TYC 3147-188-1". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 1 March 2014.