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http://hdl.handle.net/10773/18676
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DC Field | Value | Language |
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dc.contributor.author | Delisle, J.-B. | pt |
dc.contributor.author | Correia, A. C. M. | pt |
dc.contributor.author | Leleu, A. | pt |
dc.contributor.author | Robutel, P. | pt |
dc.date.accessioned | 2017-10-31T11:56:20Z | - |
dc.date.available | 2017-10-31T11:56:20Z | - |
dc.date.issued | 2017-09 | - |
dc.identifier.issn | 0004-6361 | pt |
dc.identifier.uri | http://hdl.handle.net/10773/18676 | - |
dc.description.abstract | We study the spin evolution of close-in planets in compact multi-planetary systems. The rotation period of these planets is often assumed to be synchronous with the orbital period due to tidal dissipation. Here we show that planet-planet perturbations can drive the spin of these planets into non-synchronous or even chaotic states. In particular, we show that the transit timing variation (TTV) is a very good probe to study the spin dynamics, since both are dominated by the perturbations of the mean longitude of the planet. We apply our model to KOI-227 b and Kepler-88 b, which are both observed undergoing strong TTVs. We also perform numerical simulations of the spin evolution of these two planets. We show that for KOI-227 b non-synchronous rotation is possible, while for Kepler-88 b the rotation can be chaotic. © ESO, 2017. | pt |
dc.language.iso | eng | pt |
dc.publisher | EDP Sciences | pt |
dc.relation | info:eu-repo/grantAgreement/FCT/5876/147206/PT | pt |
dc.relation | National Centre for Competence in Research PlanetS sup- ported by the Swiss National Science Foundation | pt |
dc.rights | openAccess | por |
dc.subject | Celestial mechanics | pt |
dc.subject | Planets and satellites: general | pt |
dc.title | Spin dynamics of close-in planets exhibiting large transit timing variations | pt |
dc.type | article | pt |
dc.peerreviewed | yes | pt |
ua.distribution | international | pt |
ua.event.title | Astronomy and Astrophysics | |
degois.publication.firstPage | 1 | pt |
degois.publication.issue | A37 | pt |
degois.publication.lastPage | 15 | pt |
degois.publication.title | Astronomy and Astrophysics | pt |
degois.publication.volume | 605 | pt |
dc.identifier.doi | 10.1051/0004-6361/201730755 | pt |
Appears in Collections: | CIDMA - Artigos DFis - Artigos GGDG - Artigos |
Files in This Item:
File | Description | Size | Format | |
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delisle_2017.pdf | arXiv:1705.04460 | 5.38 MB | Adobe PDF | View/Open |
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