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CoRoT-20b





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CoRoT-20b is a transiting exoplanet found by the CoRoT space telescope in 2011.

CoRoT-20b
Discovery
Discovered byCoRoT space telescope

Detection method

Transit
Orbital characteristics

Semi-major axis

0.0902 AU (13,490,000 km)[1]
Eccentricity0.562

Orbital period (sidereal)

9.24285 d
Inclination88.21
StarCoRoT-20
Physical characteristics

Mean radius

0.84 RJ
Mass4.24MJ
Temperature1002 K[2]

It is a hot Jupiter-sized planet orbiting CoRoT-20. It is a young planet, with an estimated age between 0.06 and 0.14 Gyr. Its density (8.87 g/cm3) is remarkably high for its mass, making CoRoT-20b one of the most compact gas giants.[3]

Host star

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The host star, CoRoT-20, is a G2V star with an effective temperature of 5,880 K (5,610 °C; 10,120 °F), a mass of 1.14 M☉, a radius of 0.92 R☉, and an above-solar metallicity. It also hosts another exoplanet, CoRoT-20c.

See also

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References

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  1. ^ "Notes on CoRoT-20 b". Extrasolar Planets Encyclopaedia. Retrieved February 25, 2019.
  • ^ "COROT-20 Planets in the system". Retrieved February 25, 2019.
  • ^ Deleuil, M.; Bonomo, A. S.; Ferraz-Mello, S.; Erikson, A.; Bouchy, F.; Havel, M.; Aigrain, S.; Almenara, J. -M.; Alonso, R.; Auvergne, M.; Baglin, A.; Barge, P.; Bordé, P.; Bruntt, H.; Cabrera, J.; Carpano, S.; Cavarroc, C.; Csizmadia, Sz.; Damiani, C.; Deeg, H. J.; Dvorak, R.; Fridlund, M.; Hébrard, G.; Gandolfi, D.; Gillon, M.; Guenther, E.; Guillot, T.; Hatzes, A.; Jorda, L.; et al. (2011). "Transiting exoplanets from the CoRoT space mission⋆ XX. CoRoT-20b: A very high density, high eccentricity transiting giant planet". Astronomy and Astrophysics. arXiv:1109.3203. doi:10.1051/0004-6361/201117681. S2CID 118339296.
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    Last edited on 23 May 2024, at 06:55  





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    ●This page was last edited on 23 May 2024, at 06:55 (UTC).
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