Astronomy:Kepler-371

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Short description: Star in the constellation Cygnus
Kepler-371
Observation data
Equinox J2000.0]] (ICRS)
Constellation Cygnus
Right ascension  19h 29m 18.3514s[1]
Declination +38° 39′ 27.2724″[1]
Astrometry
Proper motion (μ) RA: 3.519±0.028 mas/yr
Dec.: −7.331±0.030 mas/yr
Parallax (π)1.2011 ± 0.0186[1] mas
Distance2,720 ± 40 ly
(830 ± 10 pc)
Details[2]
Mass0.93 ± 0.05 M
Radius0.95+0.08
−0.10
 R
Surface gravity (log g)4.46+0.10
−0.07
 cgs
Temperature5759+70
−87
 K
Metallicity [Fe/H]−0.20+0.12
−0.13
 dex
Age5.5 Gyr
Other designations
Gaia DR2 2052702348375966208, KOI-2194, KIC 3548044, 2MASS J19291835+3839273[3]
Database references
SIMBADdata
Exoplanet Archivedata

Kepler-371 (also known as KOI-2194 or KIC 3548044) is a star some 2,720 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

  1. 1.0 1.1 1.2 1.3 Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode2018A&A...616A...1G.  Gaia DR2 record for this source at VizieR.
  2. Morton, Timothy D. et al. (2016). "False Positive Probabilities for Allkeplerobjects of Interest: 1284 Newly Validated Planets and 428 Likely False Positives". The Astrophysical Journal 822 (2): 86. doi:10.3847/0004-637X/822/2/86. Bibcode2016ApJ...822...86M. 
  3. "Kepler-371". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-371. 
  4. "Kepler Host Overview Page.". http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=Kepler-371&type=KEPLER_HOST.