High-precision photometry by telescope defocussing - VI – WASP-24, WASP-25 and WASP-26

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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.contributor.organizationfi=Suomen ESO-keskus|en=Finnish Centre for Astronomy with ESO|
dc.contributor.organization-code1.2.246.10.2458963.20.54954054844
dc.converis.publication-id2299596
dc.converis.urlhttps://research.utu.fi/converis/portal/Publication/2299596
dc.date.accessioned2022-10-27T12:21:14Z
dc.date.available2022-10-27T12:21:14Z
dc.description.abstract<p> We 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.</p>
dc.format.pagerange776
dc.format.pagerange789
dc.identifier.eissn1365-2966
dc.identifier.jour-issn0035-8711
dc.identifier.olddbid174926
dc.identifier.oldhandle10024/158020
dc.identifier.urihttps://www.utupub.fi/handle/11111/35111
dc.identifier.urnURN:NBN:fi-fe2021042714555
dc.language.isoen
dc.okm.affiliatedauthorKorhonen, Heidi
dc.okm.discipline115 Astronomy and space scienceen_GB
dc.okm.discipline115 Avaruustieteet ja tähtitiedefi_FI
dc.okm.internationalcopublicationinternational co-publication
dc.okm.internationalityInternational publication
dc.okm.typeA1 ScientificArticle
dc.publisherOxford University Press
dc.publisher.countryUnited Kingdomen_GB
dc.publisher.countryBritanniafi_FI
dc.publisher.country-codeGB
dc.publisher.placeOxford
dc.relation.doi10.1093/mnras/stu1492
dc.relation.ispartofjournalMonthly Notices of the Royal Astronomical Society
dc.relation.issue1
dc.relation.volume444
dc.source.identifierhttps://www.utupub.fi/handle/10024/158020
dc.titleHigh-precision photometry by telescope defocussing - VI – WASP-24, WASP-25 and WASP-26
dc.year.issued2014

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