CoRoT-20c

CoRoT-20c
Discovery
Discovered by	HARPS
Detection method	Radial velocity
Orbital characteristics
Semi-major axis	2.9 AU (430,000,000 km)
Eccentricity	0.6
Orbital period (sidereal)	1675 d
Star	CoRoT-20
Physical characteristics
Mass	above 17 MJ

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

Host star

CoRoT-20c orbits CoRoT-20, a G2V star in the constellation of Monoceros. It has T_e = 5880K, M = 1.14M_☉, R = 0.92R_☉, and above-solar metallicity.

Characteristics

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

References

^ "Notes on CoRoT-20 c". Extrasolar Planets Encyclopaedia. Retrieved February 25, 2019.
^ 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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[EU-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.

[1]

[2]

Host star

Characteristics

See also

References