Kepler-19b
| Discovery | |
|---|---|
| Discovered by | William J. Borucki et al.[1] |
| Discovery date | 2 February 2011 |
| Transit method | |
| Orbital characteristics | |
| 0.085 AU (12,700,000 km)[2] | |
| 9.2869944 ± 0.0000088[3] d | |
| Inclination | 89.94+0.06 −0.44[3] |
| Star | Kepler-19 |
| Physical characteristics | |
| 2.209 ± 0.048[3] R🜨 | |
| Mass | 8.4 ± 1.6[4] M🜨 |
Mean density | 4.32 ± 0.87 g/cm3 (0.156 ± 0.031 lb/cu in)[4] |
Kepler-19b is a planet orbiting around the star Kepler-19.[3] The planet has an orbital period of 9.3 days,[5] with an estimated radius of roughly 2.2 times that of the Earth, with a mass around 8.4 times that of the Earth.[2] It is one of three planets orbiting Kepler-19.[4]
See also
[edit]Other planets in the Kepler-19 system
[edit]- Kepler-19c
- Kepler-19d
References
[edit]- ↑ 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 (1): 19. arXiv:1102.0541. Bibcode:2011ApJ...736...19B. doi:10.1088/0004-637X/736/1/19. S2CID 15233153.
- 1 2 "Kepler-19 b". Extrasolar Planets Encyclopaedia. Retrieved 30 April 2017.
- 1 2 3 4 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. arXiv:1109.1561. Bibcode:2011ApJ...743..200B. doi:10.1088/0004-637X/743/2/200. S2CID 42698813.
- 1 2 3 Malavolta, Luca; 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. arXiv:1703.06885. Bibcode:2017AJ....153..224M. doi:10.3847/1538-3881/aa6897. S2CID 29845787.
- ↑ "Kepler Discoveries". Kepler.nasa.gov. Archived from the original on 2010-05-27. Retrieved 2013-02-28.
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