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Kepler-1638

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Kepler-1638
Observation data
Epoch       Equinox
Constellation
Right ascension
Declination
Characteristics
Evolutionary stage main sequence star
Spectral type G4V
Variable type Planetary transit
Astrometry
Distance4,973 ly
Details
Other designations
Constellation where Kepler-1638 is located

Kepler-1638 is a G4V-type star located 4,973 light years away in the constellation of Cygnus.[1] At least one exoplanet has been found orbiting the star: Kepler-1638b.[2][3][4][5][6] This planet is a potentially habitable Super-Earth with an Earth Similarity Index of 0.76. As of January 2021, Kepler-1638 is the farthest star with a known potentially habitable exoplanet.[7]

The Kepler-1638 planetary system
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b 259 1.87 R

References[edit]

  1. "Kepler-1638". www.exoplanetkyoto.org. Retrieved 2021-01-21.
  2. "Kepler-1638 (Planet Orbiting Star) Facts". Universe Guide. Retrieved 2021-01-21.
  3. Burgess, Matt (2016-05-11). "Nasa's Kepler telescope just found 1,284 exoplanets". Wired UK. ISSN 1357-0978. Retrieved 2021-01-22.
  4. "Exoplanet-catalog". Exoplanet Exploration: Planets Beyond our Solar System. Retrieved 2021-01-22.
  5. May 2016, Mike Wall 11. "1st Alien Earth Still Elusive Despite Huge Exoplanet Haul". Space.com. Retrieved 2021-01-22.
  6. Morton, Timothy D.; Bryson, Stephen T.; Coughlin, Jeffrey L.; Rowe, Jason F.; Ravichandran, Ganesh; Petigura, Erik A.; Haas, Michael R.; Batalha, Natalie M. (2016-05-10). "False positive probabilties for all Kepler Objects 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. ISSN 1538-4357.
  7. "The Habitable Exoplanets Catalog - Planetary Habitability Laboratory @ UPR Arecibo". phl.upr.edu. Retrieved 2021-01-21.



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