Astronomy:Kepler-23c

From HandWiki
Kepler-23c
Discovery
Discovered byEric B. Ford et al.[1]
Discovery date25 January 2012
Transit method
Orbital characteristics
0.099 AU (14,800,000 km)[1]
Eccentricity0.02+0.39
−0.02
[2]
Orbital period10.742434(39)[2] d
StarKepler-23
Physical characteristics
Mean radius3.12 ± 0.10[2] R
Mass0.189+0.033
−0.036
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Kepler-23c is a Neptune-sized exoplanet orbiting the star Kepler-23, located in the constellation Cygnus.[3] The planet is 3.12 times wider than the Earth[2] and is 0.189 Jupiter masses.[3] The planet was discovered using data taken from Kepler spacecraft.[1] It is likely a gas giant.

References

  1. 1.0 1.1 1.2 Ford, Eric B.; Fabrycky, Daniel C.; Steffen, Jason H.; Carter, Joshua A.; Fressin, Francois; Holman, Matthew J.; Lissauer, Jack J.; Moorhead, Althea V. et al. (2012). "Transit Timing Observations Fromkepler. Ii. Confirmation of Two Multiplanet Systems Via a Non-Parametric Correlation Analysis". The Astrophysical Journal 750 (2): 113. doi:10.1088/0004-637X/750/2/113. Bibcode2012ApJ...750..113F. 
  2. 2.0 2.1 2.2 2.3 Van Eylen, Vincent; Albrecht, Simon (2015). "Eccentricity from Transit Photometry: Small Planets in Kepler Multi-Planet Systems Have Low Eccentricities". The Astrophysical Journal 808 (2): 126. doi:10.1088/0004-637X/808/2/126. Bibcode2015ApJ...808..126V. 
  3. 3.0 3.1 3.2 "Kepler-23 c". Extrasolar Planets Encyclopaedia. https://exoplanet.eu/catalog/kepler_23_c--1072/. Retrieved 26 June 2017. 

Coordinates: Sky map 19h 36m 56.12s, +49° 28′ 47.7″