The first light curve solutions and period changes of EW Psc and HN Psc

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dc.authoridAsgarian, Dorsa/0009-0002-1447-3522
dc.authoridGhanbarzadeh Chaleshtori, Morteza/0009-0006-5207-6092
dc.authoridDavoudi, Fatemeh/0000-0002-1787-3444
dc.authoridPoro, Atila/0000-0002-0196-9732
dc.contributor.authorDavoudi, F.
dc.contributor.authorPoro, A.
dc.contributor.authorAlicavus, F.
dc.contributor.authorRahimi, J.
dc.contributor.authorLashgari, E.
dc.contributor.authorGhanbarzadehchaleshtori, M.
dc.contributor.authorBoudesh, A.
dc.date.accessioned2025-01-27T21:13:09Z
dc.date.available2025-01-27T21:13:09Z
dc.date.issued2020
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe first light curve solutions of the stars EW and HN in the Pisces constellation are presented. Photometry, and its' periodic changes are calculated and discussed. The analysis of the O-C diagram is done by the MCMC approach in the OCFit code and a new ephemeris is provided for the two binary systems. The results show that EW Psc is a near contact eclipsing binary system with a photometric mass ratio q = 0.587, and the fillout factor is -0.034 and -0.018 for the primary and secondary components, respectively. The solution results also show that the system HN Psc is a weak-contact W UMa eclipsing binary with a photometric mass ratio q = 0.853, and with a fillout factor of 5.6%. The light curves solutions required a cold spot to account for the O'Connell effect.
dc.identifier.doi10.1016/j.newast.2020.101439
dc.identifier.issn1384-1076
dc.identifier.issn1384-1092
dc.identifier.scopus2-s2.0-85088241880
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1016/j.newast.2020.101439
dc.identifier.urihttps://hdl.handle.net/20.500.12428/28313
dc.identifier.volume81
dc.identifier.wosWOS:000564266700002
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofNew Astronomy
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectPhotometry
dc.subjectEphemeris
dc.subjectO'Connell
dc.subjectIndividual
dc.subjectEW Psc and HN Psc
dc.titleThe first light curve solutions and period changes of EW Psc and HN Psc
dc.typeArticle

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