Kepler-17b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | Kepler-17 | |
| Constellation | Cygnus | |
| Right ascension | (α) | 19h 53m 34.8643s[1] |
| Declination | (δ) | +47° 48′ 54.050″[1] |
| Apparent magnitude | (mV) | 14.0[2] |
| Distance | 2400±30[1] ly (740±10[1] pc) | |
| Mass | (m) | 1.16 ± 0.06[3] M☉ |
| Radius | (r) | 1.05 ± 0.03[3] R☉ |
| Temperature | (T) | 5781 ± 85[3] K |
| Metallicity | [Fe/H] | 0.26 ± 0.10[3] |
| Age | < 1.78[3] Gyr | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.0268 ± 0.0005[3] AU |
| Orbital period | (P) | 1.4857108 ± 0.0000002[3] d |
| Inclination | (i) | 87.22 ± 0.15[3]° |
| Time of transit | (Tt) | 2455185.678035[3] JD |
| Physical characteristics | ||
| Mass | (m) | 2.47 ± 0.10[3] MJ |
| Radius | (r) | 1.33 ± 0.04[3] RJ |
| Density | (ρ) | 1.30 ± 0.14[3] g cm−3 |
| Surface gravity | (g) | 3.54 ± 0.03[3] m/s² |
| Discovery information | ||
| Discovery date | 25 October 2011 | |
| Discoverer(s) | Aldo S. Bonomo et al. | |
| Discovery method | Transit method | |
| Discovery status | Confirmed | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
Kepler-17b is a planet in the orbit of star Kepler-17, first observed by the Kepler spacecraft observatory in 2011. Kepler-17b is a gas giant nearly 2.45 times the mass of Jupiter, and is sometimes described as a "super-Jupiter".
References
- 1 2 3 4 Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia Data Release 2 catalog entry
- ↑ "Kepler-17 b". The Extrasolar Planets Encyclopaedia. Retrieved 30 April 2017.
- 1 2 3 4 5 6 7 8 9 10 11 12 13 Bonomo, A. S.; Hébrard, G.; Santerne, A.; Santos, N. C.; Deleuil, M.; Almenara, J.; Bouchy, F.; Díaz, R. F.; Moutou, C.; Vanhuysse, M. (2012). "SOPHIE velocimetry of Keplertransit candidates". Astronomy & Astrophysics. 538: A96. arXiv:1110.5462. Bibcode:2012A&A...538A..96B. doi:10.1051/0004-6361/201118323.
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