Kepler-371

Kepler-371
Observation data; Epoch J2000 Equinox J2000
Constellation	Cygnus
Right ascension	19h 29m 18.3513s
Declination	+38° 39′ 27.273″
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	0.95+0.08; −0.10 R☉
Surface gravity (log g)	4.46+0.10; −0.07 cgs
Temperature	5759+70; −87 K
Metallicity [Fe/H]	−0.20+0.12; −0.13 dex
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.^[1] 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.^[4]

The Kepler-371 planetary system
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)	—	—	—	—	—	—

References

^ ^a ^b ^c ^d ^e Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
^ Morton, Timothy D.; et al. (2016). "False Positive Probabilities for All Kepler Objects of Interest: 1284 Newly Validated Planets and 428 Likely False Positives". The Astrophysical Journal. 822 (2): 86. arXiv:1605.02825. Bibcode:2016ApJ...822...86M. doi:10.3847/0004-637X/822/2/86. S2CID 20832201.
^ "Kepler-371". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-08-21.
^ "Kepler Host Overview Page".

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[Gaia_DR3-1] Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.

[Morton-2] Morton, Timothy D.; et al. (2016). "False Positive Probabilities for All Kepler Objects of Interest: 1284 Newly Validated Planets and 428 Likely False Positives". The Astrophysical Journal. 822 (2): 86. arXiv:1605.02825. Bibcode:2016ApJ...822...86M. doi:10.3847/0004-637X/822/2/86. S2CID 20832201.

[Simbad-3] "Kepler-371". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-08-21.

[ExoplanetArchiveHost-4] "Kepler Host Overview Page".

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