J/A+A/609/A46ivo://CDS.VizieR/J/A+A/609/A46doi:10.26093/cds/vizier.36090046CDSJurysek J.Zasche P.Wolf M.Vrastil J.Vokrouhlicky D.Skarka M.,Liska J.Janik J.Zejda M.Kurfurst P.Paunzen E.2018-03-12T08:30:37Z2018-01-05T10:55:28ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frmagellanic-cloudseclipsing-binary-starsphotometryWe aim to present a novel method to determine compact triples using publicly available photometric data from large surveys. Here we apply it to eclipsing binaries (EBs) in Magellanic Clouds from OGLE III database. Our tool consists of identifying the cases where the orbital plane of EB evolves in accord with expectations from the interaction with a third star. We analyzed light curves (LCs) of 26121 LMC and 6138 SMC EBs with the goal to identify those for which the orbital inclination varies in time. Archival LCs of the selected systems, when complemented by our own observations with Danish 1.54-m telescope, were thoroughly analyzed using the PHOEBE program. This provided physical parameters of components of each system. Time dependence of the EB inclination was described using the theory of orbital-plane precession. By observing the parameter-dependence of the precession rate, we were able to constrain the third companion mass and its orbital period around EB.2018A&A...609A..46Jhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/609/A46CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/AcA/61/103 : VI light curves of LMC eclipsing binaries (Graczyk+, 2011)J/AcA/63/323 : OGLE-III SMC eclipsing binary stars (Pawlak+, 2013)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/609/A46https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/609/A46http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/609/A46https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/609/A46https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/609/A46http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/609/A46GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/609/A46/stars (List of studied stars)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/609/A46/stars?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/609/A46/stars?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/609/A46/stars?GETtext/xml+votable180.050000true72.5580417-68.38544440.0055555555555555566/33053 33079 33097 33102 33106 332951.9821045660507152e-19 3.264051565855503e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/609/A46?format=asciiOpticaldefaultJ/A+A/609/A46/starsList of studied starsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintStarStar namemeta.id;meta.maincharRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainPerPeriod P1 (from table 7 and 8)dtime.perioddoubleLCShow the light curvemeta.ref.urlcharSimbadSimbad column added by the CDSmeta.ref.urlcharJ/A+A/609/A46/table4Light curves of observed eclipsing binariesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHJD1? Heliocentric Julian Date, OGLE-LMC-ECL-1350dtime.epochdoublenullabledmag1? Diff magnitude in Johnson I, OGLE-LMC-ECL-1350magphot.mag;em.opt.IdoublenullableHJD2? Heliocentric Julian Date, OGLE-LMC-ECL-13150dtime.epochdoublenullabledmag2? Diff magnitude in Johnson I, OGLE-LMC-ECL-13150magphot.mag;em.opt.IdoublenullableHJD3? Heliocentric Julian Date, OGLE-LMC-ECL-16023dtime.epochdoublenullabledmag3? Diff magnitude in Johnson I, OGLE-LMC-ECL-16023magphot.mag;em.opt.IdoublenullableHJD4? Heliocentric Julian Date, OGLE-LMC-ECL-18240dtime.epochdoublenullabledmag4? Diff magnitude in Johnson I, OGLE-LMC-ECL-18240magphot.mag;em.opt.IdoublenullableHJD5? Heliocentric Julian Date, OGLE-LMC-ECL-23148dtime.epochdoublenullabledmag5? Diff magnitude in Johnson I, OGLE-LMC-ECL-23148magphot.mag;em.opt.IdoublenullableHJD6? Heliocentric Julian Date, OGLE-SMC-ECL-1532dtime.epochdoublenullabledmag6? Diff magnitude in Johnson R, OGLE-SMC-ECL-1532magphot.mag;em.opt.Rdoublenullable