Investigative study of five low mass ratio semi-detached binaries.
| Title: | Investigative study of five low mass ratio semi-detached binaries. |
|---|---|
| Authors: | G, Vinay Kumar1 (AUTHOR) vinayastro@osmania.ac.in, Devarapalli, Shanti Priya1 (AUTHOR), Parthasarathy, Mudumba2 (AUTHOR), Jagirdar, Rukmini1 (AUTHOR), Stassun, Keivan G.3 (AUTHOR) |
| Source: | Astrophysics & Space Science. Oct2024, Vol. 369 Issue 10, p1-24. 24p. |
| Subject Terms: | *LOW mass stars, *STELLAR evolution, *ECLIPSING binaries, *STELLAR spectra, *BINARY stars |
| Abstract: | We present the first pulsation analysis of four totally eclipsing Algol systems S Cnc, SS Cet, TW And, and VW Cyg using the latest data available from Kepler (K2), and TESS databases. Based on the characteristics observed they are classified to be oscillating eclipsing Algol binaries with primary components having γ Dor type pulsations. The photometric solutions were derived for five Algols including TT Hya using Wilson-Devinney code (v2015), and the absolute parameters of all Algols in study were computed. The period variation study was also conducted using the O-C diagram and the variation is correlated either to mass loss or mass transfer or presence of third body in these systems. All the available IUE high and low resolution spectra for S Cnc, TT Hya as well as VBT and LAMOST spectra for SS Cet were used to measure the equivalent widths of prominent lines, and their significance is presented. Based on the photometric, spectroscopic, period variation, and pulsation studies the evolutionary scenario of all the five Algols is discussed using T eff - Luminosity, q-r and q-p diagrams. [ABSTRACT FROM AUTHOR] |
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| Items | – Name: Title Label: Title Group: Ti Data: Investigative study of five low mass ratio semi-detached binaries. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22G%2C+Vinay+Kumar%22">G, Vinay Kumar</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> vinayastro@osmania.ac.in</i><br /><searchLink fieldCode="AR" term="%22Devarapalli%2C+Shanti+Priya%22">Devarapalli, Shanti Priya</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Parthasarathy%2C+Mudumba%22">Parthasarathy, Mudumba</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jagirdar%2C+Rukmini%22">Jagirdar, Rukmini</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Stassun%2C+Keivan+G%2E%22">Stassun, Keivan G.</searchLink><relatesTo>3</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Astrophysics+%26+Space+Science%22">Astrophysics & Space Science</searchLink>. Oct2024, Vol. 369 Issue 10, p1-24. 24p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22LOW+mass+stars%22">LOW mass stars</searchLink><br />*<searchLink fieldCode="DE" term="%22STELLAR+evolution%22">STELLAR evolution</searchLink><br />*<searchLink fieldCode="DE" term="%22ECLIPSING+binaries%22">ECLIPSING binaries</searchLink><br />*<searchLink fieldCode="DE" term="%22STELLAR+spectra%22">STELLAR spectra</searchLink><br />*<searchLink fieldCode="DE" term="%22BINARY+stars%22">BINARY stars</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: We present the first pulsation analysis of four totally eclipsing Algol systems S Cnc, SS Cet, TW And, and VW Cyg using the latest data available from Kepler (K2), and TESS databases. Based on the characteristics observed they are classified to be oscillating eclipsing Algol binaries with primary components having γ Dor type pulsations. The photometric solutions were derived for five Algols including TT Hya using Wilson-Devinney code (v2015), and the absolute parameters of all Algols in study were computed. The period variation study was also conducted using the O-C diagram and the variation is correlated either to mass loss or mass transfer or presence of third body in these systems. All the available IUE high and low resolution spectra for S Cnc, TT Hya as well as VBT and LAMOST spectra for SS Cet were used to measure the equivalent widths of prominent lines, and their significance is presented. Based on the photometric, spectroscopic, period variation, and pulsation studies the evolutionary scenario of all the five Algols is discussed using T eff - Luminosity, q-r and q-p diagrams. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Astrophysics & Space Science is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1007/s10509-024-04368-6 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 24 StartPage: 1 Subjects: – SubjectFull: LOW mass stars Type: general – SubjectFull: STELLAR evolution Type: general – SubjectFull: ECLIPSING binaries Type: general – SubjectFull: STELLAR spectra Type: general – SubjectFull: BINARY stars Type: general Titles: – TitleFull: Investigative study of five low mass ratio semi-detached binaries. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: G, Vinay Kumar – PersonEntity: Name: NameFull: Devarapalli, Shanti Priya – PersonEntity: Name: NameFull: Parthasarathy, Mudumba – PersonEntity: Name: NameFull: Jagirdar, Rukmini – PersonEntity: Name: NameFull: Stassun, Keivan G. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 10 Text: Oct2024 Type: published Y: 2024 Identifiers: – Type: issn-print Value: 0004640X Numbering: – Type: volume Value: 369 – Type: issue Value: 10 Titles: – TitleFull: Astrophysics & Space Science Type: main |
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