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New galactic β Lyrae-type binaries showing superorbital photometric cycles

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cris.virtual.author-orcid0000-0002-8462-515X
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cris.virtual.departmentFacultad de Ingeniería
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cris.virtualsource.department2ed09c59-2e1d-4bef-9457-620c036485c1
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dc.contributor.authorDr. Astudillo-Defru, Nicola
dc.contributor.authorRojas-García, Gonzalo
dc.contributor.authorMennickent, Ronald
dc.contributor.authorIwanek, P.
dc.contributor.authorGorrini, P.
dc.contributor.authorGarcés, J.
dc.contributor.authorSoszyński, I.
dc.date.accessioned2024-09-30T14:08:30Z
dc.date.available2024-09-30T14:08:30Z
dc.date.issued2021
dc.description.abstractWe present the discovery of 32 new double periodic variables (DPVs) located toward the Galactic bulge. We found these objects among the nearly half a million binary stars published by the Optical Gravitational Lensing Experiment project. With this discovery, we increase the number of known DPVs in the Milky Way by a factor of 2. The new set of DPVs contains 31 eclipsing binaries and one ellipsoidal variable star. The orbital periods cover the range from 1.6 to 26 days, while long periods are detected between 47 and 1144 days. Our analysis confirms a known correlation between orbital and long periods that is also observed in similar systems in the Magellanic Clouds.
dc.identifier.doi10.3847/1538-4357/ac19b6
dc.identifier.urihttps://repositorio.ucsc.cl/handle/25022009/11241
dc.languageeng
dc.publisherIOP Publishing
dc.rightsacceso abierto
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectEclipsing binary stars (444)
dc.subjectBeta Lyrae stars (149)
dc.subjectDouble periodic variable stars (2111)
dc.titleNew galactic β Lyrae-type binaries showing superorbital photometric cycles
dc.typeartículo
dspace.entity.typePublication
oairecerif.author.affiliationFacultad de Ingeniería
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