Kepler-19b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | Kepler-19 | |
| Constellation | Cygnus | |
| Right ascension | (α) | 19h 21m 41.002s[1] |
| Declination | (δ) | +37° 51′ 06.42″[1] |
| Apparent magnitude | (mV) | 12.04 ± 0.17[2] |
| Mass | (m) | 0.936 ± 0.040[3] M☉ |
| Radius | (r) | 0.859 ± 0.018[3] R☉ |
| Temperature | (T) | 5544 ± 20[4] K |
| Age | 1.9 ± 1.7[3] Gyr | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.085[5] AU |
| Orbital period | (P) | 9.2869944 ± 0.0000088[3] d |
| Inclination | (i) | 89.94+0.06 −0.44[3]° |
| Time of transit | (Tt) | 2454959.70597[3] JD |
| Physical characteristics | ||
| Mass | (m) | 8.4 ± 1.6[4] M⊕ |
| Radius | (r) | 2.209 ± 0.048[3] RJ |
| Density | (ρ) | 4.32 ± 0.87[4] g cm−3 |
| Discovery information | ||
| Discovery date | 2 February 2011 | |
| Discoverer(s) | William J. Borucki et al.[6] | |
| 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-19b is a planet orbiting around the star Kepler-19.[3] The planet has an orbital period of 9.3 days,[7] with an estimated radius of roughly 2.2 times that of the Earth, with a mass around 8.4 times that of the Earth.[5] It is one of two planets orbiting Kepler-19.[3]
See also
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.
- ↑ Høg, E.; et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27–L30. Bibcode:2000A&A...355L..27H.
- 1 2 3 4 5 6 7 8 9 Ballard, S.; et al. (2011). "The Kepler-19 System: A Transiting 2.2 R⊕ Planet and a Second Planet Detected Via Transit Timing Variations". The Astrophysical Journal. 743 (2): 200. Bibcode:2011ApJ...743..200B. arXiv:1109.1561
. doi:10.1088/0004-637X/743/2/200. - 1 2 3 Malavolta, L.; et al. (2017). "The Kepler-19 system: A thick-envelope super-Earth with two Neptune-mass companions characterized using Radial Velocities and Transit Timing Variations". The Astronomical Journal. 153 (5): 224. Bibcode:2017AJ....153..224M. arXiv:1703.06885 . doi:10.3847/1538-3881/aa6897.
- 1 2 "Kepler-19 b". The Extrasolar Planets Encyclopaedia. Retrieved 30 April 2017.
- ↑ Borucki, W. J.; et al. (2011). "Characteristics of Planetary Candidates Observed by Kepler. II. Analysis of the First Four Months of Data". The Astrophysical Journal. 736: 19. Bibcode:2011ApJ...736...19B. arXiv:1102.0541 . doi:10.1088/0004-637X/736/1/19.
- ↑ "Kepler Discoveries". Kepler.nasa.gov. Retrieved 2013-02-28.
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