Kepler-371
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cygnus | 
| Right ascension | 19h 29m 18.3513s | 
| Declination | +38° 39′ 27.273″ | 
| Apparent magnitude (V) | 14.0 | 
| Characteristics | |
| Evolutionary stage | subgiant | 
| Spectral type | F | 
| Astrometry | |
| Proper motion (μ) | RA: 3.560(12) mas/yr Dec.: −7.358(14) mas/yr | 
| Parallax (π) | 1.2177±0.0121 mas | 
| Distance | 2,680 ± 30 ly (821 ± 8 pc) | 
| Details | |
| Mass | 0.93±0.05 M☉ | 
| Radius | 1.3 R☉ | 
| Luminosity | 1.6 L☉ | 
| Surface gravity (log g) | 4.20 cgs | 
| Temperature | 5,759+70 −87 K | 
| Metallicity [Fe/H] | −0.25 dex | 
| Rotation | 149 days | 
| Rotational velocity (v sin i) | 2.0 km/s | 
| Age | 5.5 Gyr | 
| Other designations | |
| Gaia DR2 2052702348375966208, KOI-2194, KIC 3548044, 2MASS J19291835+3839273 | |
| Database references | |
| SIMBAD | data | 
| Exoplanet Archive | data | 
Kepler-371 (also known as KOI-2194 or KIC 3548044) is a star some 2,680 ly away from the Earth. It hosts a multi planetary system consisting of 2 confirmed Super-Earths, as well as 1 unconfirmed Near-Earth sized exoplanet in its habitable zone.
| Companion (in order from star) | Mass | Semimajor axis (AU) | Orbital period (days) | Eccentricity | Inclination | Radius | 
|---|---|---|---|---|---|---|
| b | — | 0.2 | 34.763278±0.000351 | 0 | 89.95° | 1.89 R🜨 | 
| c | — | 0.313 | 67.968015 | 0 | 89.95° | 1.78 R🜨 | 
| d (unconfirmed) | — | — | — | — | — | — |