Kepler-371

Last updated
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]

The Kepler-371 planetary system
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b —0.234.763278±0.000351089.95° 1.89  R🜨
c —0.31367.968015089.95° 1.78  R🜨
d (unconfirmed)——————

References

  1. ↑ 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.
  2. 1 2 3 4 5 6 7 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.
  3. ↑ 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 .
  4. ↑ 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.
  5. 1 2 3 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.
  6. 1 2 3 4 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 .
  7. 1 2 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 .
  8. ↑ "Kepler-371". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2020-08-21.
  9. ↑ "Kepler Host Overview Page".
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