Kepler-289
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 49m 51.6736s |
| Declination | +42° 52′ 58.269″ |
| Apparent magnitude (V) | 14.14 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | G2 |
| Variable type | planetary transit |
| Astrometry | |
| Radial velocity (Rv) | −18.21±5.60 km/s |
| Proper motion (μ) | RA: 4.815(14) mas/yr Dec.: −0.190(17) mas/yr |
| Parallax (π) | 1.3763±0.0129 mas |
| Distance | 2,370 ± 20 ly (727 ± 7 pc) |
| Details | |
| Mass | 1.08±0.02 M☉ |
| Radius | 1.00±0.02 R☉ |
| Luminosity | 1.15±0.06 L☉ |
| Surface gravity (log g) | 4.47±0.01 cgs |
| Temperature | 5990±38 K |
| Metallicity [Fe/H] | 0.05±0.04 dex |
| Age | 0.65±0.44 Gyr |
| Other designations | |
| PH3, KOI-1353, KIC 7303287, TIC 273234825, 2MASS J19495168+4252582, WISE J194951.68+425258.2 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
Kepler-289 (PH3) is a rotating variable star slightly more massive than the Sun, with a spectral type of G2, 2370 light-years away from Earth in the constellation of Cygnus. It hosts a system of multiple exoplanets.