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dc.contributor.authorSouthworth, John
dc.contributor.authorHinse, T. C.
dc.contributor.authorBurgdorf, M.
dc.contributor.authorCalchi Novati, S.
dc.contributor.authorDominik, M.
dc.contributor.authorGalianni, P.
dc.contributor.authorGerner, T.
dc.contributor.authorGiannini, E.
dc.contributor.authorGu, S.-H.
dc.contributor.authorHundertmark, M.
dc.contributor.authorJørgensen, U. G.
dc.contributor.authorJuncher, D.
dc.contributor.authorKerins, E.
dc.contributor.authorMancini, L.
dc.contributor.authorRabus, M.
dc.contributor.authorRicci, D.
dc.contributor.authorSchäfer, S.
dc.contributor.authorSkottfelt, J.
dc.contributor.authorTregloan-Reed, J.
dc.contributor.authorWang, X.-B.
dc.contributor.authorWertz, O.
dc.contributor.authorAlsubai, K. A.
dc.contributor.authorAndersen, J. M.
dc.contributor.authorBozza, V.
dc.contributor.authorBramich, D. M.
dc.contributor.authorBrowne, P.
dc.contributor.authorCiceri, S.
dc.contributor.authorD'Ago, G.
dc.contributor.authorDamerdji, Y.
dc.contributor.authorDiehl, C.
dc.contributor.authorDodds, P.
dc.contributor.authorElyiv, A.
dc.contributor.authorFang, X.-S.
dc.contributor.authorFinet, F.
dc.contributor.authorFiguera Jaimes, R.
dc.contributor.authorHardis, S.
dc.contributor.authorHarpsøe, K.
dc.contributor.authorJessen-Hansen, J.
dc.contributor.authorKains, N.
dc.contributor.authorKjeldsen, H.
dc.contributor.authorKorhonen, H.
dc.contributor.authorLiebig, C.
dc.contributor.authorLund, M. N.
dc.contributor.authorLundkvist, M.
dc.contributor.authorMathiasen, M.
dc.contributor.authorPenny, M. T.
dc.contributor.authorPopovas, A.
dc.contributor.authorProf., S.
dc.contributor.authorRahvar, S.
dc.contributor.authorSahu, K.
dc.contributor.authorScarpetta, G.
dc.contributor.authorSchmidt, R. W.
dc.contributor.authorSchönebeck, F.
dc.contributor.authorSnodgrass, C.
dc.contributor.authorStreet, R. A.
dc.contributor.authorSurdej, J.
dc.contributor.authorTsapras, Y.
dc.contributor.authorVilela, C.
dc.identifier.citationSouthworth , J , Hinse , T C , Burgdorf , M , Calchi Novati , S , Dominik , M , Galianni , P , Gerner , T , Giannini , E , Gu , S-H , Hundertmark , M , Jørgensen , U G , Juncher , D , Kerins , E , Mancini , L , Rabus , M , Ricci , D , Schäfer , S , Skottfelt , J , Tregloan-Reed , J , Wang , X-B , Wertz , O , Alsubai , K A , Andersen , J M , Bozza , V , Bramich , D M , Browne , P , Ciceri , S , D'Ago , G , Damerdji , Y , Diehl , C , Dodds , P , Elyiv , A , Fang , X-S , Finet , F , Figuera Jaimes , R , Hardis , S , Harpsøe , K , Jessen-Hansen , J , Kains , N , Kjeldsen , H , Korhonen , H , Liebig , C , Lund , M N , Lundkvist , M , Mathiasen , M , Penny , M T , Popovas , A , Prof. , S , Rahvar , S , Sahu , K , Scarpetta , G , Schmidt , R W , Schönebeck , F , Snodgrass , C , Street , R A , Surdej , J , Tsapras , Y & Vilela , C 2014 , ' High-precision photometry by telescope defocussing - VI. WASP-24, WASP-25 and WASP-26 ' , Monthly Notices of the Royal Astronomical Society , vol. 444 , no. 1 , pp. 776-789 .
dc.identifier.otherBibCode: 2014MNRAS.444..776S
dc.identifier.otherORCID: /0000-0002-3202-0343/work/75996723
dc.descriptionThe research leading to these results has received funding from the European Community's Seventh Framework Programme (FP7/2007-2013/) under grant agreement nos. 229517 and 268421. This publication was supported by grants NPRP 09-476-1-078 and NPRP X-019-1-006 from Qatar National Research Fund (a member of Qatar Foundation). TCH acknowledges financial support from the Korea Research Council for Fundamental Science and Technology (KRCF) through the Young Research Scientist Fellowship Programme and is supported by the KASI (Korea Astronomy and Space Science Institute) grant 2012-1-410-02/2013-9-400-00. SG, XW and XF acknowledge the support from NSFC under the grant no. 10873031. The research is supported by the ASTERISK project (ASTERoseismic Investigations with SONG and Kepler) funded by the European Research Council (grant agreement no. 267864). DR, YD, AE, FF (ARC), OW (FNRS research fellow) and J Surdej acknowledge support from the Communauté française de Belgique – Actions de recherche concertées – Académie Wallonie-Europe.en
dc.description.abstractWe present time series photometric observations of 13 transits in the planetary systems WASP-24, WASP-25 and WASP-26. All three systems have orbital obliquity measurements, WASP-24 and WASP-26 have been observed with Spitzer, and WASP-25 was previously comparatively neglected. Our light curves were obtained using the telescope-defocussing method and have scatters of 0.5–1.2 mmag relative to their best-fitting geometric models. We use these data to measure the physical properties and orbital ephemerides of the systems to high precision, finding that our improved measurements are in good agreement with previous studies. High-resolution Lucky Imaging observations of all three targets show no evidence for faint stars close enough to contaminate our photometry. We confirm the eclipsing nature of the star closest to WASP-24 and present the detection of a detached eclipsing binary within 4.25 arcmin of WASP-26.
dc.relation.ispartofMonthly Notices of the Royal Astronomical Societyen
dc.subjectStars: fundamental parametersen
dc.subjectPlanetary systemsen
dc.subjectStars: individual: WASP-24en
dc.subjectStars: individual: WASP-25en
dc.subjectStars: individual: WASP-26en
dc.subjectQC Physicsen
dc.titleHigh-precision photometry by telescope defocussing - VI. WASP-24, WASP-25 and WASP-26en
dc.typeJournal articleen
dc.contributor.sponsorThe Royal Societyen
dc.contributor.sponsorScience & Technology Facilities Councilen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.description.statusPeer revieweden
dc.identifier.grantnumberUF100010 / UF130581en

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