Kepler-167

Kepler-167

Kepler-167

Star in the constellation Cygnus


Kepler-167 is a K-type main-sequence star located about 1,119 light-years (343 pc) away from the Solar System in the constellation of Cygnus. The star has about 78% the mass and 75% the radius of the Sun, and a temperature of 4,884 K (4,611 °C; 8,332 °F). It hosts a system of four known exoplanets. There is also a companion red dwarf star at a separation of about 700 AU, with an estimated orbital period of over 15,000 years.[5]

Quick Facts Constellation, Right ascension ...

Planetary system

Kepler-167 is orbited by four known transiting exoplanets, discovered using the Kepler space telescope. The inner three planets are all super-Earths of unknown composition orbiting closer to their star than Mercury is to the Sun. The outermost planet, Kepler-167e, is a Jupiter analog, with 0.91 RJ, 1.01 MJ, and an equilibrium temperature of 134 K (−139 °C; −218 °F). It is the first transiting Jupiter analog discovered.[4][5]

The inner two planets were confirmed in 2014, as part of a study validating hundreds of Kepler planets,[7] and the outer two planets were confirmed in 2016.[4] Observations of Kepler-167e using the Spitzer Space Telescope, published in 2019, ruled out significant transit timing variations, making it easier to predict future transits and plan follow-up observations. As a rare example of a long-period transiting gas giant, Kepler-167e is a target of interest for further observations, for example to characterize its atmosphere.[8] As of 2022, four transits of planet e have been detected, with both space-based and ground-based observations.[9]

More information Companion (in order from star), Mass ...

References

  1. "Finding the constellation which contains given sky coordinates". djm.cc. 2 August 2008.
  2. "Kepler-167". NASA Exoplanet Archive. Retrieved 7 November 2022.
  3. Rowe, Jason F.; Bryson, Stephen T.; et al. (March 2014). "Validation of Kepler's Multiple Planet Candidates. III. Light Curve Analysis and Announcement of Hundreds of New Multi-planet Systems". The Astrophysical Journal. 784 (1): 45. arXiv:1402.6534. Bibcode:2014ApJ...784...45R. doi:10.1088/0004-637X/784/1/45. S2CID 119118620.

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