Kepler-23c explained

Kepler-23c
Discoverer:	Eric B. Ford et al.^[1]
Discovered:	25 January 2012
Apsis:	astron
Semimajor:	0.099AU
Eccentricity:	^[2]
Period:	10.742434(39) d
Star:	Kepler-23
Mean Radius:	3.12 ± 0.10
Mass:	^[3]

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 the Kepler space telescope.^[1] It is likely a gas giant.

Notes and References

1. 2012ApJ...750..113F. 1201.5409. 10.1088/0004-637X/750/2/113. Transit Timing Observations Fromkepler. Ii. Confirmation of Two Multiplanet Systems Via a Non-Parametric Correlation Analysis. The Astrophysical Journal. 750. 2. 113. 2012. 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.. Désert. Jean-Michel. Endl. Michael. Everett. Mark E.. Fischer. Debra A.. Gautier. Thomas N.. Gilliland. Ron L.. Jenkins. Jon M.. Haas. Michael R.. 4528963 . 29.
2. 2015ApJ...808..126V. 10.1088/0004-637X/808/2/126. 1505.02814. Eccentricity from Transit Photometry: Small Planets in Kepler Multi-Planet Systems Have Low Eccentricities. The Astrophysical Journal. 808. 2. 126. 2015. Van Eylen. Vincent. Albrecht. Simon. 14405731 .
3. Encyclopedia: Kepler-23 c. Extrasolar Planets Encyclopaedia. 26 June 2017.