Kepler-371

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)
Kepler-371
Observation data
Epoch J2000      Equinox J2000
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

References

  1. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. 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. arXiv:1605.02825. Bibcode:2016ApJ...822...86M. doi:10.3847/0004-637X/822/2/86.
  3. "Kepler-371". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-08-21.
  4. "Kepler Host Overview Page".
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.