Discovery | |
---|---|
Discovered by | Eric B. Ford et al. |
Discovery date | 25 January 2012 |
Detection method | Transit method |
Orbital characteristics | |
Semi-major axis | 0.099 AU (14,800,000 km) |
Eccentricity | 0.02+0.39 β0.02 |
Orbital period (sidereal) | 10.742434(39) d |
Star | Kepler-23 |
Physical characteristics | |
Mean radius | 3.12 Β± 0.10 Rπ¨ |
Mass | 0.189+0.033 β0.036 MJ |
Kepler-23c is a Neptune-sized exoplanet orbiting the star Kepler-23, located in the constellation Cygnus. The planet is 3.12 times wider than the Earth and is 0.189 Jupiter masses. The planet was discovered using data taken from the Kepler space telescope. It is likely a gas giant.
References
- ^ Ford, Eric B.; Fabrycky, Daniel C.; Steffen, Jason H.; Carter, Joshua A.; Fressin, Francois; Holman, Matthew J.; Lissauer, Jack J.; Moorhead, Althea V.; Morehead, Robert C.; Ragozzine, Darin; Rowe, Jason F.; Welsh, William F.; Allen, Christopher; Batalha, Natalie M.; Borucki, William J.; Bryson, Stephen T.; Buchhave, Lars A.; Burke, Christopher J.; Caldwell, Douglas A.; Charbonneau, David; Clarke, Bruce D.; Cochran, William D.; DΓ©sert, Jean-Michel; Endl, Michael; Everett, Mark E.; Fischer, Debra A.; Gautier, Thomas N.; Gilliland, Ron L.; Jenkins, Jon M.; 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. arXiv:1201.5409. Bibcode:2012ApJ...750..113F. doi:10.1088/0004-637X/750/2/113. S2CID 4528963.
- ^ 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. arXiv:1505.02814. Bibcode:2015ApJ...808..126V. doi:10.1088/0004-637X/808/2/126. S2CID 14405731.
- ^ "Kepler-23 c". Extrasolar Planets Encyclopaedia. Retrieved 26 June 2017.
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