CoRoT-20c

CoRoT-20c
Discovery
Discovered byHARPS
Radial velocity
Orbital characteristics
2.9 AU (430,000,000 km)[1]
Eccentricity0.6
1675 d
StarCoRoT-20
Physical characteristics
Massabove 17 MJ

CoRoT-20c is a brown dwarf-massed substellar companion found by the HARPS radial-velocity search terrestrial telescope.

Host star

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Main article: CoRoT-20

CoRoT-20c orbits CoRoT-20, a G2V star in the constellation of Monoceros. It has 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.

Characteristics

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It is a young planet, with an estimated age between 0.06 and 0.14 Gyr.[2]

See also

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References

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  1. ^ "Notes on CoRoT-20 c". Extrasolar Planets Encyclopaedia. Retrieved February 25, 2019.
  2. ^ Rey, J.; Bouchy, F.; Stalport, M.; Deleuil, M.; Hébrard, G.; Almenara, J. M.; Alonso, R.; Barros, S. C. C.; Bonomo, A.; Cazalet, G.; Delisle, J. B.; Díaz, R. F.; Fridlund, M.; Guenther, E. W.; Guillot, T.; Montagnier, G.; Moutou, C.; Lovis, C.; Queloz, D.; Santerne, A.; Udry, S. (2018). "A 4.6-year period brown-dwarf companion interacting with the hot-Jupiter CoRoT-20 b". Astronomy & Astrophysics. A115: 619. arXiv:1807.01229. doi:10.1051/0004-6361/201833180. S2CID 126274116.
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