| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cygnus[1] |
| Right ascension | 19h 29m 18.3513s[2] |
| Declination | +38° 39′ 27.273″[2] |
| Apparent magnitude (V) | 14.0[3] |
| Characteristics | |
| Evolutionary stage | subgiant[2] |
| Spectral type | G4V[4] |
| Astrometry | |
| Proper motion (μ) | RA: 3.560(12)mas/yr[2] Dec.: −7.358(14)mas/yr[2] |
| Parallax (π) | 1.2177±0.0121 mas[2] |
| Distance | 2,680 ± 30 ly (821 ± 8 pc) |
| Details | |
| Mass | 0.93±0.05[5] M☉ |
| Radius | 1.3[6] R☉ |
| Luminosity | 1.6[6] L☉ |
| Surface gravity (log g) | 4.20[6] cgs |
| Temperature | 5,759+70 −87[5] K |
| Metallicity[Fe/H] | −0.25[6] dex |
| Rotation | 149 days[7] |
| Rotational velocity (v sin i) | 2.0[7] km/s |
| Age | 5.5[5] Gyr |
| Other designations | |
| Gaia DR2 2052702348375966208,KOI-2194,KIC 3548044,2MASS J19291835+3839273[8] | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
Kepler-371 (also known asKOI-2194 orKIC 3548044) is astar some 2,680 ly away from theEarth.[2] It hosts a multi planetary system consisting of 2 confirmedSuper-Earths, as well as 1 unconfirmed Near-Earth sized exoplanet in itshabitable zone.[9]
| 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) | — | — | — | — | — | — |
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