Kepler-1229
Kepler-1229 is a red dwarf star located about 870 light-years (270 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.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 49m 56.8076s |
| Declination | +46° 59′ 48.1073″ |
| Apparent magnitude (V) | 14.474 |
| Characteristics | |
| Evolutionary stage | Main sequence |
| Spectral type | M?V |
| B−V color index | 1.48 |
| Astrometry | |
| Proper motion (μ) | RA: 21.619±0.092 mas/yr Dec.: −4.238±0.092 mas/yr |
| Parallax (π) | 3.7388 ± 0.0472 mas |
| Distance | 870 ± 10 ly (267 ± 3 pc) |
| Details | |
| Mass | 0.43 ± 0.05 M☉ |
| Radius | 0.51 ± 0.03 R☉ |
| Luminosity | 0.04784 L☉ |
| Surface gravity (log g) | 4.75+0.029 −0.023 cgs |
| Temperature | 3784 ± 39 K |
| Metallicity [Fe/H] | –0.06 ± 0.1 dex |
| Rotation | 17.98±0.04 d |
| Age | 3.72+5.32 −2.07 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
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