Kepler-23c
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | Kepler-23 | |
| Constellation | Cygnus | |
| Right ascension | (α) | 19h 36m 52.539s[1] |
| Declination | (δ) | +49° 28′ 45.27″[1] |
| Apparent magnitude | (mV) | 14.0[2] |
| Mass | (m) | 1.078 ± 0.077[3] M☉ |
| Radius | (r) | 1.548 ± 0.048[3] R☉ |
| Temperature | (T) | 5760 ± 124[4] K |
| Metallicity | [Fe/H] | −0.09 ± 0.14[4] |
| Orbital elements | ||
| Semi-major axis | (a) | 0.099[4] AU |
| Eccentricity | (e) | 0.02+0.39 −0.02[3] |
| Orbital period | (P) | 10.742434(39)[3] d |
| Time of transit | (Tt) | 2454966.2926[4] JD |
| Physical characteristics | ||
| Mass | (m) | 0.189+0.033 −0.036[2] MJ |
| Radius | (r) | 3.12 ± 0.10[3] R⊕ |
| Discovery information | ||
| Discovery date | 25 January 2012 | |
| Discoverer(s) | Eric B. Ford et al.[4] | |
| Discovery method | Transit method | |
| Other detection methods | Transit-timing variation | |
| Discovery status | Confirmed | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
Kepler-23c is a Neptune-sized exoplanet orbiting the star Kepler-23, located in the constellation Cygnus.[2] The planet is 3.12 times wider than the Earth[3] and is 0.189 Jupiter masses.[2] The planet was discovered using data taken from Kepler spacecraft.[4] It is likely a gas giant.
References
- 1 2 Cutri, R. M.; et al. (2003). "2MASS All-Sky Catalog of Point Sources". VizieR On-line Data Catalog. 2246. Bibcode:2003yCat.2246....0C.
- 1 2 3 4 "Kepler-23 c". The Extrasolar Planets Encyclopaedia. Retrieved 26 June 2017.
- 1 2 3 4 5 6 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.
- 1 2 3 4 5 6 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.; 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.
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