Kepler-44

Kepler-44

A diagram of the Kepler-44 System, compared to our Inner Solar System.
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]
Characteristics
Spectral type G0V~G0IV[3]
Astrometry
Distance7338[3] ly
(2250 pc)
Details
Mass1.19±0.10[2] M
Radius1.52±0.09[2] R
Luminosity[2] L
Temperature5757±134[2] K
Metallicity [Fe/H]0.26±0.10[2] dex
Rotational velocity (v sin i)5.5±1.5[2] km/s
Age6.95[2] Gyr
Other designations

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]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b 1.02 MJ 0.0455 3.246774 13 R

References

  1. "Cygnus – constellation boundary", The Constellations, International Astronomical Union, retrieved 2011-12-15
  2. 1 2 3 4 5 6 7 8 9 Kepler-44b, NASA Ames Research Center, retrieved 2011-12-06
  3. 1 2 3 Schneider, Jean, "Star: Kepler-44", Extrasolar Planets Encyclopaedia, Paris Observatory, retrieved 2011-12-06
  4. "Kepler Discoveries". 2011-12-05.

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

This article is issued from Wikipedia - version of the 3/4/2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.