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CoRoT-18b

From Wikipedia, the free encyclopedia

CoRoT-18b
Discovery
Discovered byCoRoT space telescope
Transit
Orbital characteristics
0.0295 AU (4,410,000 km)[1]
Eccentricity0-0.08
1.9000693 d
Inclination86.5
StarCoRoT-18 [ru]
Physical characteristics
Mean radius
1.31 RJ
Mass3.47MJ
Temperature1396 K[2]

CoRoT-18b is a transiting Hot Jupiter exoplanet found by the CoRoT space telescope in 2011.[3][4]

Host star

CoRoT-18b orbits CoRoT-18 in the constellation of Monoceros. It is a G9V star with Te = 5440K, M = 0.95M☉, R = 1.00R☉, and near-solar metallicity. Its age is unknown.

Orbit

The study in 2012, utilizing a Rossiter–McLaughlin effect, have determined the planetary orbit is probably aligned with the rotational axis of the star, misalignment equal to -10±20°.[5]

References

  1. ^ "Notes on CoRoT-18 b". Extrasolar Planets Encyclopaedia. Retrieved February 25, 2019.
  2. ^ "COROT-18 Planets in the system". Retrieved February 25, 2019.
  3. ^ Hébrard, G.; et al. (2011), "Transiting exoplanets from the CoRoT space mission", Astronomy & Astrophysics, 533: A130, arXiv:1107.2032, doi:10.1051/0004-6361/201117192
  4. ^ "NEW WORLDS ATLAS CoRoT-18 b". Retrieved February 25, 2019.
  5. ^ Albrecht, Simon; Winn, Joshua N.; Johnson, John A.; Howard, Andrew W.; Marcy, Geoffrey W.; Butler, R. Paul; Arriagada, Pamela; Crane, Jeffrey D.; Shectman, Stephen A.; Thompson, Ian B.; Hirano, Teruyuki; Bakos, Gaspar; Hartman, Joel D. (2012), "Obliquities of Hot Jupiter Host Stars: Evidence for Tidal Interactions and Primordial Misalignments", The Astrophysical Journal, 757: 18, arXiv:1206.6105, Bibcode:2012ApJ...757...18A, doi:10.1088/0004-637X/757/1/18, S2CID 17174530
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This page was last edited on 22 December 2023, at 05:20
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