Kepler-45

Kepler-45

A diagram of the Kepler-45 System, compared to our Inner Solar System.
Observation data Epoch J2000      Equinox J2000
Constellation	Cygnus[1]
Right ascension	19^h 31^m 29.495^s
Declination	+41° 03′ 51.37″
Apparent magnitude (V)	15[2]
Characteristics
Spectral type	M0V[3]
Astrometry
Distance	1086[3] ly (333 pc)
Details
Mass	0.59±0.06[2] M☉
Radius	0.55±0.11[2] R☉
Luminosity	[2] L☉
Temperature	3820±90[2] K
Metallicity [Fe/H]	0.13±0.13[2] dex
Rotational velocity (v sin i)	[2] km/s
Age	[2] Gyr
Other designations

Kepler-45, formerly known as KOI-254, is a star in the northern constellation of Cygnus. It is located at the celestial coordinates: Right Ascension 19^h 31^m 29.495^s, Declination +41° 03′ 51.37″.^[4] With an apparent visual magnitude of 16,^[2] this star is too faint to be seen with the naked eye.

The Kepler-45 planetary system^[3]

Companion (in order from star)	Mass	Semimajor axis (AU)	Orbital period (days)	Eccentricity	Inclination	Radius
b	0.5505 MJ	0.030	2.455239	—	—	11 R⊕

References

1. "Cygnus – constellation boundary", The Constellations, International Astronomical Union, retrieved 2011-12-15
2. Kepler-45b, NASA Ames Research Center, retrieved 2011-12-06
3. Schneider, Jean, "Star: Kepler-45", Extrasolar Planets Encyclopaedia (Paris Observatory), retrieved 2011-12-06
4. "Kepler Discoveries". 2011-12-05.

Coordinates: 19^h 31^m 29.495^s, +41° 03′ 51.37″