dc.creator | Jofre, Jorge Emiliano | |
dc.creator | Petrucci, Romina Paola | |
dc.creator | Gómez Maqueo Chew, Yilen | |
dc.creator | Ramírez, Ivan | |
dc.creator | Saffe, Carlos | |
dc.creator | Martioli, Eder | |
dc.creator | Buccino, Andrea Paola | |
dc.creator | Masek, Martin | |
dc.creator | García, Luciano | |
dc.creator | Canul, Eliab F. | |
dc.creator | Gomez, Mercedes Nieves | |
dc.date.accessioned | 2022-10-05T14:14:57Z | |
dc.date.accessioned | 2022-10-15T15:45:16Z | |
dc.date.available | 2022-10-05T14:14:57Z | |
dc.date.available | 2022-10-15T15:45:16Z | |
dc.date.created | 2022-10-05T14:14:57Z | |
dc.date.issued | 2021-12 | |
dc.identifier | Jofre, Jorge Emiliano; Petrucci, Romina Paola; Gómez Maqueo Chew, Yilen; Ramírez, Ivan; Saffe, Carlos; et al.; The Peculiar Chemical Pattern of the WASP-160 Binary System: Signatures of Planetary Formation and Evolution?; IOP Publishing; Astronomical Journal; 162; 6; 12-2021; 291-311 | |
dc.identifier | 0004-6256 | |
dc.identifier | http://hdl.handle.net/11336/171954 | |
dc.identifier | CONICET Digital | |
dc.identifier | CONICET | |
dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/4404681 | |
dc.description.abstract | Wide binary stars with similar components hosting planets provide a favorable opportunity for exploring the star-planet chemical connection. We perform a detailed characterization of the solar-type stars in the WASP-160 binary system. No planet has been reported yet around WASP-160A, while WASP-160B is known to host a transiting Saturn-mass planet, WASP-160B b. For this planet, we also derive updated properties from both literature and new observations. Furthermore, using TESS photometry, we constrain the presence of transiting planets around WASP-160A and additional ones around WASP-160B. The stellar characterization includes, for the first time, the computation of high-precision differential atmospheric and chemical abundances of 25 elements based on high-quality Gemini-GRACES spectra. Our analysis reveals evidence of a correlation between the differential abundances and the condensation temperatures of the elements. In particular, we find both a small but significant deficit of volatiles and an enhancement of refractory elements in WASP-160B relative to WASP-160A. After WASP-94, this is the second stellar pair among the shortlist of planet-hosting binaries showing this kind of peculiar chemical pattern. Although we discuss several plausible planet formation and evolution scenarios for WASP-160A and B that could explain the observed chemical pattern, none of them can be conclusively accepted or rejected. Future high-precision photometric and spectroscopic follow-up, as well as high-contrast imaging observations, of WASP-160A and B might provide further constraints on the real origin of the detected chemical differences. | |
dc.language | eng | |
dc.publisher | IOP Publishing | |
dc.relation | info:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.3847/1538-3881/ac25ef | |
dc.relation | info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3847/1538-3881/ac25ef | |
dc.rights | https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ | |
dc.rights | info:eu-repo/semantics/restrictedAccess | |
dc.subject | PLANETARY SYSTEMS | |
dc.subject | STARS: ABUNDANCES | |
dc.subject | STARS: FUNDAMENTAL PARAMETERS | |
dc.title | The Peculiar Chemical Pattern of the WASP-160 Binary System: Signatures of Planetary Formation and Evolution? | |
dc.type | info:eu-repo/semantics/article | |
dc.type | info:ar-repo/semantics/artículo | |
dc.type | info:eu-repo/semantics/publishedVersion | |