Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Cygnus |
Right ascension | 19h 49m 56.8076s[1] |
Declination | +46° 59′ 48.103″[1] |
Characteristics | |
Evolutionary stage | Main sequence |
Spectral type | M?V[2] |
B−V color index | 1.48[3] |
Astrometry | |
Proper motion (μ) | RA: 21.580(46) mas/yr[1] Dec.: −3.987(44) mas/yr[1] |
Parallax (π) | 3.7282 ± 0.0376 mas[1] |
Distance | 875 ± 9 ly (268 ± 3 pc) |
Details | |
Mass | 0.43 ± 0.05[4] M☉ |
Radius | 0.51 ± 0.03[4] R☉ |
Luminosity | 0.04784[2] L☉ |
Surface gravity (log g) | 4.75+0.029 −0.023[4] cgs |
Temperature | 3784 ± 39[4] K |
Metallicity [Fe/H] | –0.06 ± 0.1[4] dex |
Rotation | 17.98±0.04 d[3] |
Age | 3.72+5.32 −2.07[4] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
Kepler-1229 is a red dwarf star located about 875 light-years (268 pc) away from the Earth in the constellation of Cygnus. It is known to host a super-Earth exoplanet within its habitable zone, Kepler-1229b, which was discovered in 2016.
Gaia DR3
was invoked but never defined (see the help page).