Transit timing analysis in the HAT-P-32 system

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dc.contributor.authorDerman, Ethem
dc.contributor.departmentFen Fakültesitr_TR
dc.date.accessioned2019-06-28T07:44:52Z
dc.date.available2019-06-28T07:44:52Z
dc.date.issued2014
dc.description.abstractWe present the results of 45 transit observations obtained for the transiting exoplanet HATP-32b. The transits have been observed using several telescopes mainly throughout the YETI (Young Exoplanet Transit Initiative) network. In 25 cases, complete transit light curves with a timing precision better than 1.4 min have been obtained. These light curves have been used to refine the system properties, namely inclination i, planet-to-star radius ratio R-p/R-s, and the ratio between the semimajor axis and the stellar radius a/R-s. First analyses by Hartman et al. suggests the existence of a second planet in the system, thus we tried to find an additional body using the transit timing variation (TTV) technique. Taking also the literature data points into account, we can explain all mid-transit times by refining the linear ephemeris by 21 ms. Thus, we can exclude TTV amplitudes of more than similar to 1.5min.tr_TR
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dc.description.indexScopus
dc.description.indexwos
dc.identifier.endpage315tr_TR
dc.identifier.issue01tr_TR
dc.identifier.other10.1093/mnras/stu567
dc.identifier.startpage304tr_TR
dc.identifier.urihttp://hdl.handle.net/20.500.12575/66872
dc.identifier.volume441tr_TR
dc.language.isoentr_TR
dc.relation.journalMonthly Notices Of The Royal Astronomical Societytr_TR
dc.subjectPlanets and satellites: individualtr_TR
dc.subjectHAT-P-32btr_TR
dc.subjectStars: individual: HAT-P-32tr_TR
dc.subjectPlanetary systemstr_TR
dc.titleTransit timing analysis in the HAT-P-32 systemtr_TR
dc.typeArticletr_TR

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