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Observation data
Epoch J2000      Equinox J2000
Constellation Cygnus[1]
Right ascension 20h 00m 24.564s
Declination +45° 45′ 43.71″
Apparent magnitude (V) 15[2]
Spectral type G0V~G0IV[3]
Distance 7338[3] ly
(2250 pc)
Mass 1.19±0.10[2] M
Radius 1.52±0.09[2] R
Temperature 5757±134[2] K
Metallicity [Fe/H] 0.26±0.10[2] dex
Rotational velocity (v sin i) 5.5±1.5[2] km/s
Age 6.95[2] Gyr
Other designations
KOI-204, KIC 9305831, 2MASS J20002456+4545437
Database references
KIC data

Kepler-44,formerly known as KOI-204, is a star in the northern constellation of Cygnus. It is located at the celestial coordinates: Right Ascension 20h 00m 24.564s, Declination +45° 45′ 43.71″.[4] With an apparent visual magnitude of 16,[2] this star is too faint to be seen with the naked eye.

The Kepler-44 planetary system[3]
(in order from star)
Mass Semimajor axis
Orbital period
Eccentricity Inclination Radius
b 1.02 MJ 0.0455 3.246774 13 R


  1. ^ "Cygnus – constellation boundary", The Constellations, International Astronomical Union, retrieved 2011-12-15 
  2. ^ a b c d e f g h Kepler-44b, NASA Ames Research Center, retrieved 2011-12-06 
  3. ^ a b c Schneider, Jean, "Star: Kepler-44", Extrasolar Planets Encyclopaedia, Paris Observatory, archived from the original on 2014-03-04, retrieved 2011-12-06 
  4. ^ "Kepler Discoveries". 2011-12-05. 

Coordinates: Sky map 20h 00m 24.564s, +45° 45′ 43.71″