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Discovery of WASP-65b and WASP-75b : two hot Jupiters without highly inflated radii

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dc.contributor.authorGómez Maqueo Chew, Y.
dc.contributor.authorFaedi, F.
dc.contributor.authorPollacco, D.
dc.contributor.authorBrown, David John Alexander
dc.contributor.authorDoyle, A.P.
dc.contributor.authorCollier Cameron, A.
dc.contributor.authorGillon, M.
dc.contributor.authorLendl, M.
dc.contributor.authorSmalley, B.
dc.contributor.authorTriaud, A.H.M.J.
dc.contributor.authorWest, R.G.
dc.contributor.authorWheatley, P.J.
dc.contributor.authorBusuttil, R.
dc.contributor.authorLiebig, C.
dc.contributor.authorAnderson, D.R.
dc.contributor.authorArmstrong, D.J.
dc.contributor.authorBarros, S.C.C.
dc.contributor.authorBento, J.
dc.contributor.authorBochinski, J.
dc.contributor.authorBurwitz, V.
dc.contributor.authorDelrez, L.
dc.contributor.authorEnoch, B.
dc.contributor.authorFumel, A.
dc.contributor.authorHaswell, C.A.
dc.contributor.authorHébrard, G.
dc.contributor.authorHellier, C.
dc.contributor.authorHolmes, S.
dc.contributor.authorJehin, E.
dc.contributor.authorKolb, U.
dc.contributor.authorMaxted, P.F.L.
dc.contributor.authorMcCormac, J.
dc.contributor.authorMiller, G.R.M.
dc.contributor.authorNorton, A.J.
dc.contributor.authorPepe, F.
dc.contributor.authorQueloz, D.
dc.contributor.authorRodríguez, J.
dc.contributor.authorSégransan, D.
dc.contributor.authorSkillen, I.
dc.contributor.authorStassun, K.G.
dc.contributor.authorUdry, S.
dc.contributor.authorWatson, C.
dc.date.accessioned2014-09-19T11:01:06Z
dc.date.available2014-09-19T11:01:06Z
dc.date.issued2013-11-01
dc.identifier.citationGómez Maqueo Chew , Y , Faedi , F , Pollacco , D , Brown , D J A , Doyle , A P , Collier Cameron , A , Gillon , M , Lendl , M , Smalley , B , Triaud , A H M J , West , R G , Wheatley , P J , Busuttil , R , Liebig , C , Anderson , D R , Armstrong , D J , Barros , S C C , Bento , J , Bochinski , J , Burwitz , V , Delrez , L , Enoch , B , Fumel , A , Haswell , C A , Hébrard , G , Hellier , C , Holmes , S , Jehin , E , Kolb , U , Maxted , P F L , McCormac , J , Miller , G R M , Norton , A J , Pepe , F , Queloz , D , Rodríguez , J , Ségransan , D , Skillen , I , Stassun , K G , Udry , S & Watson , C 2013 , ' Discovery of WASP-65b and WASP-75b : two hot Jupiters without highly inflated radii ' , Astronomy & Astrophysics , vol. 559 , A36 . https://doi.org/10.1051/0004-6361/201322314en
dc.identifier.issn0004-6361
dc.identifier.otherPURE: 149524431
dc.identifier.otherPURE UUID: 25017b9b-79db-4d49-b7fb-b60f1ae0537d
dc.identifier.otherScopus: 84887043627
dc.identifier.otherORCID: /0000-0002-8863-7828/work/58531511
dc.identifier.urihttps://hdl.handle.net/10023/5458
dc.descriptionY. Gómez Maqueo Chew acknowledges postdoctoral funding support from the Vanderbilt Office of the Provost, through the Vanderbilt Initiative in Data-intensive Astrophysics (VIDA) and through a grant from the Vanderbilt International Office in support of the Vanderbilt-Warwick Exoplanets Collaboration. L. Delrez is a FRIA Ph.D. student of the FNRS. The research leading to these results has received funding from the European Community’s Seventh Framework Programme (FP7/2007-2013) under grant agreement number RG226604 (OPTICON). C. Liebig acknowledges the Qatar Foundation for support from QNRF grant NPRP-09-476-1-078. A.H.M.J. Triaud is a Swiss National Science Foundation fellow under grant number PBGEP2-145594.en
dc.description.abstractWe report the discovery of two transiting hot Jupiters, WASP-65b (Mpl = 1.55 ± 0.16 MJ; Rpl = 1.11 ± 0.06 RJ), and WASP-75b (Mpl = 1.07 ± 0.05 MJ; Rpl = 1.27 ± 0.05 RJ). They orbit their host star every ~2.311, and ~2.484 days, respectively. The planet host WASP-65 is a G6 star (Teff = 5600 K, [Fe/H] = −0.07 ± 0.07, age ≳8 Gyr); WASP-75 is an F9 star (Teff = 6100 K, [Fe/H] = 0.07 ± 0.09, age ~ 3 Gyr). WASP-65b is one of the densest known exoplanets in the mass range 0.1 and 2.0 MJ (ρpl = 1.13 ± 0.08 ρJ), a mass range where a large fraction of planets are found to be inflated with respect to theoretical planet models. WASP-65b is one of only a handful of planets with masses of ~1.5 MJ, a mass regime surprisingly underrepresented among the currently known hot Jupiters. The radius of WASP-75b is slightly inflated (≲10%) as compared to theoretical planet models with no core, and has a density similar to that of Saturn (ρpl = 0.52 ± 0.06 ρJ).
dc.format.extent11
dc.language.isoeng
dc.relation.ispartofAstronomy & Astrophysicsen
dc.rights© ESO, 2013. Reproduced with permission from Astronomy & Astrophysics, © ESOen
dc.subjectPlanetary systemsen
dc.subjectStars: individual: WASP-65en
dc.subjectStars: individual: WASP-75en
dc.subjectQB Astronomyen
dc.subjectQC Physicsen
dc.subject.lccQBen
dc.subject.lccQCen
dc.titleDiscovery of WASP-65b and WASP-75b : two hot Jupiters without highly inflated radiien
dc.typeJournal articleen
dc.contributor.sponsorScience & Technology Facilities Councilen
dc.contributor.sponsorScience & Technology Facilities Councilen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.identifier.doihttps://doi.org/10.1051/0004-6361/201322314
dc.description.statusPeer revieweden
dc.identifier.grantnumberST/J001651/1en
dc.identifier.grantnumberPP/F000065/1en


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