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http://hdl.handle.net/10261/37201
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Herrero, E. | - |
dc.contributor.author | Morales, Juan Carlos | - |
dc.contributor.author | Ribas, Ignasi | - |
dc.contributor.author | Naves, Ramón | - |
dc.date.accessioned | 2011-06-27T12:19:18Z | - |
dc.date.available | 2011-06-27T12:19:18Z | - |
dc.date.issued | 2011-02 | - |
dc.identifier.citation | Astronomy and Astrophysics Review 526 : L10 (2011) | es_ES |
dc.identifier.issn | 0004-6361 | - |
dc.identifier.uri | http://hdl.handle.net/10261/37201 | - |
dc.description | Publicado en línea el 12 de enero de 2011 | es_ES |
dc.description.abstract | We report the discovery of photometric oscillations in the host star of the exoplanet WASP-33 b (HD 15082). The data were obtained in the R band in both transit and out-of-transit phases from the 0.3-m telescope and the Montcabrer Observatory and the 0.8-m telescope at the Montsec Astronomical Observatory. Proper fitting and subsequent removal of the transit signal reveals stellar photometric variations with a semi-amplitude of about 1 mmag. The detailed analysis of the periodogram yields a structure of significant signals around a frequency of 21 cyc d-1, which is typical of δ Scuti-type variable stars. An accurate study of the power spectrum reveals a possible commensurability with the planet orbital motion with a factor of 26, but this remains to be confirmed with additional time-series data that will permit the identification of the significant frequencies. These findings make WASP-33 the first transiting exoplanet host star with δ Sct variability and a very interesting candidate to search for star-planet interactions. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | EDP Sciences | es_ES |
dc.rights | openAccess | es_ES |
dc.subject | Stars: variables:δScuti | es_ES |
dc.subject | Stars: oscillations | es_ES |
dc.subject | Techniques: photometric | es_ES |
dc.subject | Asteroseismology | es_ES |
dc.title | WASP-33: the first δ Scuti exoplanet host star | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1051/0004-6361/201015875 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1051/0004-6361/201015875 | es_ES |
dc.identifier.e-issn | 1432-0746 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
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