Observational and Theoretical Studies of 27 delta Scuti Stars with Investigation of the Period-Luminosity Relation

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dc.authorid0000-0002-9036-7476en_US
dc.authorscopusid41860928200en_US
dc.authorwosid-en_US
dc.contributor.authorPoro, Atila
dc.contributor.authorPaki, Ehsan
dc.contributor.authorMazhari, Golnaz
dc.contributor.authorSarabi, Soroush
dc.contributor.authorFarahani, Farzaneh Ahangarani
dc.contributor.authorGuilani, Hamidreza
dc.contributor.authorPopov, Alexander A.
dc.contributor.authorZubareva, Alexandra M.
dc.contributor.authorJalalabadi, Behjat Zarei
dc.contributor.authorNourmohammad, Mahshid
dc.contributor.authorDavoudi, Fatemeh
dc.contributor.authorArani, Zahra Sabaghpour
dc.contributor.authorGhalee, Amir
dc.contributor.authorAlicavuş, Filiz Kahraman
dc.date.accessioned2022-07-04T10:43:47Z
dc.date.available2022-07-04T10:43:47Z
dc.date.issued2021en_US
dc.departmentFakülteler, Fen Fakültesi, Fizik Bölümü
dc.description.abstractThe multi-color CCD photometric study of 27 δ Scuti stars is presented. By using approximately three years of photometric observations, we obtained the times of maxima and magnitude changes during the observation time interval for each star. The ephemerides of our δ Scuti stars were calculated based on the Markov Chain Monte Carlo (MCMC) method using the observed times of maxima and the period of the stars’ oscillations. We used the Gaia EDR3 parallaxes to calculate the luminosities and also the absolute magnitudes of these δ Scuti stars. The fundamental physical parameters of all the stars in our sample such as masses and radii were estimated. We determined the pulsation modes of the stars based on the pulsation constants. Moreover, the period–luminosity (P–L) relation of δ Scuti stars was investigated and discussed. Then, by using a machine learning classification, new P–L relations for fundamental and overtone modes are presented. Unified Astronomy Thesaurus concepts: Delta Scuti variable stars (370); Photometry (1234) Online material: rar fileen_US
dc.identifier.citationPoro, A., Paki, E., Mazhari, G., Sarabi, S., Kahraman Alicavus, F., Ahangarani Farahani, F., … Ghalee, A. (2021). Observational and Theoretical Studies of 27 δ Scuti Stars with Investigation of the Period–Luminosity Relation. Publications of the Astronomical Society of the Pacific, 133(1026), 084201. https://doi.org/10.1088/1538-3873/ac12dc ‌en_US
dc.identifier.doi10.1088/1538-3873/ac12dc
dc.identifier.endpage17en_US
dc.identifier.issn0004-6280
dc.identifier.issn1538-3873
dc.identifier.issue1026en_US
dc.identifier.scopus2-s2.0-85114350148
dc.identifier.startpage1en_US
dc.identifier.urihttps://doi.org/10.1088/1538-3873/ac12dc
dc.identifier.urihttps://hdl.handle.net/20.500.12428/3603
dc.identifier.volume133en_US
dc.identifier.wosWOS:000686783100001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorAliçavuş Kahraman, Filiz
dc.language.isoen
dc.publisherIOP Publishingen_US
dc.relation.ispartofPublications of the Astronomical Society of the Pacificen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDelta Scuti Variable Starsen_US
dc.subjectPhotometryen_US
dc.titleObservational and Theoretical Studies of 27 delta Scuti Stars with Investigation of the Period-Luminosity Relation
dc.typeArticle

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