Kepler-31

Kepler-31
Observation data
Epoch J2000      Equinox J2000
Constellation [corvus][1]
Right ascension 19h 36m 05.5270s[2]
Declination +45° 51′ 11.108″[2]
Apparent magnitude (V) 14.0[3]
Characteristics
Spectral type G5[4]
Astrometry
Proper motion (μ) RA: −1.007(25) mas/yr[2]
Dec.: −7.439(23) mas/yr[2]
Parallax (π)0.6013 ± 0.0200 mas[2]
Distance5,400 ± 200 ly
(1,660 ± 60 pc)
Details
Mass1.21 ± 0.17[3] M☉
Radius1.22 ± 0.24[3] R☉
Luminosity0.79 ± 0.04[3] L☉
Temperature6340 ± 200[3] K
Metallicity [Fe/H]–0.076 ± 0.400[3] dex
Other designations
KOI-935, KIC 9347899, 2MASS J19360552+4551110, Gaia DR2 2128013019361703936
Database references
SIMBADdata
KICdata

Kepler-31 is a star in the northern constellation of Cygnus, the swan. It is orbited by three known exoplanets. It is located at the celestial coordinates: Right Ascension 19h 36m 05.5270s, Declination +45° 51′ 11.108″.[2] With an apparent visual magnitude of 14.0,[3] this star is too faint to be seen with the naked eye.

  1. ^ "Cygnus – constellation boundary", The Constellations, International Astronomical Union, retrieved 2011-12-15
  2. ^ a b c d e Cite error: The named reference Gaia DR3 was invoked but never defined (see the help page).
  3. ^ a b c d e f g Kepler-31b, NASA Ames Research Center, archived from the original on 2012-05-03, retrieved 2011-12-06
  4. ^ Schneider, Jean, "Star: Kepler-23", Extrasolar Planets Encyclopaedia, archived from the original on 2012-05-05, retrieved 2011-12-06