# Understanding WASP-12b

## Author(s): Bailey, Avery; Goodman, Jeremy J.

To refer to this page use: http://arks.princeton.edu/ark:/88435/pr1vd9m
DC FieldValueLanguage
dc.contributor.authorBailey, Avery-
dc.contributor.authorGoodman, Jeremy J.-
dc.date.accessioned2019-08-05T17:11:30Z-
dc.date.available2019-08-05T17:11:30Z-
dc.date.issued2019-01en_US
dc.identifier.citationBailey, Avery, Goodman, Jeremy. (2019). Understanding WASP-12b. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 482 (1872 - 1882. doi:10.1093/mnras/sty2805en_US
dc.identifier.issn0035-8711-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1vd9m-
dc.description.abstractThe orbital period of the hot Jupiter WASP-12b is apparently changing. We study whether this reflects orbital decay due to tidal dissipation in the star, or apsidal precession of a slightly eccentric orbit. In the latter case, a third body or other perturbation would be needed to sustain the eccentricity against tidal dissipation in the planet itself. We have analysed several such perturbative scenarios, but none is satisfactory. Most likely, therefore, the orbit really is decaying. If this is due to a dynamical tide, then WASP-12 should be a subgiant without a convective core as previous studies have suggested. We have modelled the star with the MESA code. Satisfactory main-sequence models can be found if the effective temperature is at the upper end of reported estimates, but subgiant models are in greater tension with current observational constraints.en_US
dc.format.extent1872 - 1882en_US
dc.language.isoen_USen_US
dc.relation.ispartofMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYen_US
dc.rightsFinal published version. Article is made available in OAR by the publisher's permission or policy.en_US
dc.titleUnderstanding WASP-12ben_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1093/mnras/sty2805-
dc.date.eissued2018-10-18en_US
dc.identifier.eissn1365-2966-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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