Kepler-67

Kepler-67 is a star in the open cluster NGC 6811[4] in the constellation Cygnus. It has slightly less mass than the Sun and has one confirmed planet, slightly smaller than Neptune, announced in 2013.[5]

Kepler-67
Observation data
Epoch J2000      Equinox J2000
Constellation Cygnus
Right ascension 19h 36m 36.8092s[1]
Declination +46° 09′ 59.166″[1]
Apparent magnitude (V) 16.4
Characteristics
Spectral type G9V
Astrometry
Proper motion (μ) RA: −3.424±0.093[1] mas/yr
Dec.: −8.679±0.077[1] mas/yr
Parallax (π)0.8580 ± 0.0508 mas[1]
Distance3,800 ± 200 ly
(1,170 ± 70 pc)
Details
Mass0.865 ± 0.034 M☉
Radius0.778 ± 0.031 R☉
Temperature5331 ± 63 K K
Metallicity [Fe/H]0.012 ± 0.003 dex
Rotation10.464±0.014 days[2]
Age1 ± 0.17 Gyr
Other designations
KOI-2115[3]
Database references
SIMBADdata
Extrasolar Planets
Encyclopaedia		data

Planetary system
The Kepler-67 planetary system
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b 0.31 ± 0.06 MJ 0.1171 ± 0.0015 15.7259 ± 0.00011 — — 0.26 ± 0.014 RJ

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. McQuillan, A.; Mazeh, T.; Aigrain, S. (2013). "Stellar Rotation Periods of The Kepler objects of Interest: A Dearth of Close-In Planets Around Fast Rotators". The Astrophysical Journal Letters. 775 (1). L11. arXiv:1308.1845. Bibcode:2013ApJ...775L..11M. doi:10.1088/2041-8205/775/1/L11. S2CID 118557681.
  3. "Kepler-67". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 15 January 2018.
  4. Maliuk, A.; Budaj, J. (2020), "Spatial distribution of exoplanet candidates based on Kepler and Gaia data", Astronomy & Astrophysics, 635: A191, arXiv:2002.10823, Bibcode:2020A&A...635A.191M, doi:10.1051/0004-6361/201936692, S2CID 211296456
  5. Meibom, Søren; Torres, Guillermo; Fressin, Francois; Latham, David W.; Rowe, Jason F.; Ciardi, David R.; Bryson, Steven T.; Rogers, Leslie A.; Henze, Christopher E.; Janes, Kenneth; Barnes, Sydney A.; Marcy, Geoffrey W.; Isaacson, Howard; Fischer, Debra A.; Howell, Steve B.; Horch, Elliott P.; Jenkins, Jon M.; Schuler, Simon C.; Crepp, Justin (2013). "The same frequency of planets inside and outside open clusters of stars". Nature. 499 (7456): 55–58. arXiv:1307.5842. Bibcode:2013Natur.499...55M. doi:10.1038/nature12279. PMID 23803764. S2CID 4356893.
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