Kepler-19b

Kepler-19b
Exoplanet List of exoplanets
Parent star
Star Kepler-19
Constellation Cygnus
Right ascension (α) 19h 21m 40.9996s[1]
Declination (δ) +37° 51′ 06.436″[1]
Apparent magnitude (mV) 12.04 ± 0.17[2]
Distance717±3[1] ly
(219.9±1.0[1] pc)
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
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

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 three planets orbiting Kepler-19.[4]

See also

References

  1. 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
  2. ↑ 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.
  3. 1 2 3 4 5 6 7 8 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.
  4. 1 2 3 4 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.
  5. 1 2 "Kepler-19 b". The Extrasolar Planets Encyclopaedia. Retrieved 30 April 2017.
  6. ↑ 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. arXiv:1102.0541. Bibcode:2011ApJ...736...19B. doi:10.1088/0004-637X/736/1/19.
  7. ↑ "Kepler Discoveries". Kepler.nasa.gov. Retrieved 2013-02-28.


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