Kepler-371
| 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 | F[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 as KOI-2194 or KIC 3548044) is a star some 2,680 ly away from the Earth.[2] 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.[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) | — | — | — | — | — | — |
References
[edit]- ^ Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific. 99 (617): 695. Bibcode:1987PASP...99..695R. doi:10.1086/132034. Constellation record for this object at VizieR.
- ^ a b c d e f 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.
- ^ Ostberg, Colby; Kane, Stephen R.; Li, Zhexing; Schwieterman, Edward W.; Hill, Michelle L.; Bott, Kimberly; Dalba, Paul A.; Fetherolf, Tara; Head, James W.; Unterborn, Cayman T. (2023). "The Demographics of Terrestrial Planets in the Venus Zone". The Astronomical Journal. 165 (4): 168. arXiv:2302.03055. Bibcode:2023AJ....165..168O. doi:10.3847/1538-3881/acbfaf.
- ^ Mulders, Gijs D.; Pascucci, Ilaria; Apai, Dániel (2015). "An Increase in the Mass of Planetary Systems around Lower-mass Stars". The Astrophysical Journal. 814 (2): 130. arXiv:1510.02481. Bibcode:2015ApJ...814..130M. doi:10.1088/0004-637X/814/2/130.
- ^ a b c 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.
- ^ a b c d Yu, Jie; Khanna, Shourya; Themessl, Nathalie; Hekker, Saskia; Dréau, Guillaume; Gizon, Laurent; Bi, Shaolan (2023). "Revised Extinctions and Radii for 1.5 Million Stars Observed by APOGEE, GALAH, and RAVE". The Astrophysical Journal Supplement Series. 264 (2): 41. arXiv:2206.00046. Bibcode:2023ApJS..264...41Y. doi:10.3847/1538-4365/acabc8.
- ^ a b Tejada Arevalo, Roberto A.; Winn, Joshua N.; Anderson, Kassandra R. (2021). "Further Evidence for Tidal Spin-up of Hot Jupiter Host Stars". The Astrophysical Journal. 919 (2): 138. arXiv:2107.05759. Bibcode:2021ApJ...919..138T. doi:10.3847/1538-4357/ac1429.
- ^ "Kepler-371". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-08-21.
- ^ "Kepler Host Overview Page".
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