A Study of Twelve Potential Merger Candidate Contact Binary Systems

Photometric observations and analysis of twelve previously poorly studied contact binary systems is presented. All show total eclipses and have extremely low mass ratios ranging from 0.072 to 0.15. Also, all show characteristics of orbital instability with mass ratios within the theoretical orbital...

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Veröffentlicht in:	Publications of the Astronomical Society of the Pacific 2023-07, Vol.135 (1049), p.74202
Hauptverfasser:	Wadhwa, Surjit S., Arbutina, Bojan, Tothill, Nick F. H., Filipović, Miroslav D., De Horta, Ain Y., Petrović, Jelena, Djurašević, Gojko
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Sprache:	eng
Schlagworte:	Contact binary stars Orbital elements Photometric observations Transient detection
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description	Photometric observations and analysis of twelve previously poorly studied contact binary systems is presented. All show total eclipses and have extremely low mass ratios ranging from 0.072 to 0.15. Also, all show characteristics of orbital instability with mass ratios within the theoretical orbital instability range. Although none demonstrate a significant O’Connell effect at least nine of the systems have other indicators of increased chromospheric and magnetic activity.
doi_str_mv	10.1088/1538-3873/ace3f5
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subjects	Contact binary stars Orbital elements Photometric observations Transient detection
title	A Study of Twelve Potential Merger Candidate Contact Binary Systems
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