OAUNI astronomical photometry: stellar variability of FO Aqr on 2016 low state

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dc.contributor.authorPereyra, Antonio
dc.date.accessioned2020-07-03T17:08:14Z
dc.date.available2020-07-03T17:08:14Z
dc.date.issued2020
dc.description.abstractThis work reports a photometric monitoring of the intermediate polar cataclysmic variable star FO Aqr. This is part of the ongoing OAUNI stellar variability program. Around 1200 individual measurements (or ∼ 9 hrs of observations) were gathered distributed in five nights. The observation epoch was coincident with the 2016 low state brightness of FO Aqr. Good quality light curves detect unambiguously the expected stellar variability of FO Aqr. The analysis using periodograms let to determine the main two known periods, P1 = 20.380 ± .003 min and P2 = 11.076 ± .001 min. Our full five-nights analysis shows that P1, the spin white dwarf period, is more prominent than P2, the one-half of the beat period between the spin and orbital periods. Nevertheless, individual light curves show than, at least in one case, a reverse pattern is found. It suggests a dependence of the beat period with the orbital phase of the system with important variations at the same phase interval.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationPereyra, A. (2020). OAUNI astronomical photometry: stellar variability of FO Aqr on 2016 low state. Paper presented at the==$Journal of Physics: Conference Series, 1558,$==012005. https://doi.org/10.1088/1742-6596/1558/1/012005es_ES
dc.identifier.doihttps://doi.org/10.1088/1742-6596/1558/1/012005es_ES
dc.identifier.govdocindex-oti2018
dc.identifier.journalJournal of Physics: Conference Serieses_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/4795
dc.language.isoenges_ES
dc.publisherIOP Publishinges_ES
dc.relation.ispartofurn:issn:1742-6588
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subjectVariable starses_ES
dc.subjectIntermediate polar starses_ES
dc.subjectCataclysmic variableses_ES
dc.subjectAstronomical photometryes_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleOAUNI astronomical photometry: stellar variability of FO Aqr on 2016 low statees_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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