New light curve analysis and period changes of the HW Vir-type binary system V1828 Aql

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dc.authorid0000-0003-3195-9196en_US
dc.authorid0000-0002-7128-8887en_US
dc.authorscopusid57193212844en_US
dc.authorscopusid15051589000en_US
dc.authorwosid-en_US
dc.authorwosid-en_US
dc.contributor.authorNehir, Çağlayan
dc.contributor.authorBulut, İbrahim
dc.date.accessioned2023-05-16T06:32:35Z
dc.date.available2023-05-16T06:32:35Z
dc.date.issued2022en_US
dc.departmentFakülteler, Fen Fakültesi, Fizik Bölümü
dc.departmentFakülteler, Fen Fakültesi, Uzay Bilimleri ve Teknolojileri Bölümü
dc.description.abstractThe new BVRI photometric observations of the HW Vir-type eclipsing binary system V1828 Aql (P = 0.11037399 days) were presented. From these measurements, 16 new eclipse times have been obtained. The light curves in BVRI colors and the radial curves were simultaneously analyzed by using the Wilson–Devinney method for the system parameters. The system consists of a very hot primary component (T1 = 42000 K) and a cold secondary component (T2 = 3077 ± 250 K). The absolute dimensions were found as follows: (M1 = 0.351 ± 4 0.040 M⊙, M2 = 0.095 ± 0.011 M⊙, R1 = 0.176 ± 0.007 R⊙, R2 = 0.140 ± 0.007 R⊙, L1 =86.91 ± 6.76 L⊙ and L2 = 0.002 ± 0.001 L⊙). The orbital period variation of V1828 Aql was made using all available light minimum times. From the (O - C) diagram, the orbital period shows a variation possibly attributable to the light travel time effect by the presence of the third body. The third body orbital period is P3 = 3317.7−17.2+18.9 days, its minimal mass is M3 = 13.24−0.14+0.13 Mj. The mass value calculated for the third body shows, that this object is right at the border between the planets and the brown dwarfs.en_US
dc.identifier.citationNehir, Ç., & Bulut, İ. (2022). New light curve analysis and period changes of the HW vir-type binary system V1828 aql. New Astronomy, 92 doi:10.1016/j.newast.2021.101703en_US
dc.identifier.doi10.1016/j.newast.2021.101703
dc.identifier.issn1384-1076
dc.identifier.issn1384-1092
dc.identifier.scopus2-s2.0-85116713754
dc.identifier.urihttps://doi.org/10.1016/j.newast.2021.101703
dc.identifier.urihttps://hdl.handle.net/20.500.12428/4162
dc.identifier.volume92en_US
dc.identifier.wosWOS:000707225600001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorNehir, Çağlayan
dc.institutionauthorBulut, İbrahim
dc.language.isoen
dc.publisherElsevier B.V.en_US
dc.relation.ispartofNew Astronomyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectStars: Binaries: Eclipsingen_US
dc.subjectStars: Fundamental parametersen_US
dc.subjectStars: Individual: V1828 Aqlen_US
dc.subjectStars: Orbital perioden_US
dc.titleNew light curve analysis and period changes of the HW Vir-type binary system V1828 Aql
dc.typeArticle

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