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BG Tri : an example of a low-inclination RW Sex-type nova-like
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Hernández, M S, Tovmassian, G, Zharikov, S, Gänsicke, B T, Steeghs, D., Aungwerojwit, A and Rodríguez-Gil, P (2021) BG Tri : an example of a low-inclination RW Sex-type nova-like. Monthly Notices of the Royal Astronomical Society, 503 (1). pp. 1431-1441. doi:10.1093/mnras/stab301 ISSN 1365-2966.
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Official URL: https://doi.org/10.1093/mnras/stab301
Abstract
We analyse a wealth of optical spectroscopic and photometric observations of the bright (V = 11.9) cataclysmic variable BG Tri. The Gaia DR2 parallax gives a distance d = 334(8) pc to the source, making the object one of the intrinsically brightest nova-like variables seen under a low orbital inclination angle. Time-resolved spectroscopic observations revealed an orbital period of $P_{\rm {orb}}=3.8028(24)$ h. Its spectroscopic characteristics resemble RW Sex and similar nova-like variables. We disentangled the H α emission line into two components, and show that one component forms on the irradiated face of the secondary star. We suggest that the other one originates at a disc outflow area adjacent to the L3 point.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||
SWORD Depositor: | Library Publications Router | ||||||||
Journal or Publication Title: | Monthly Notices of the Royal Astronomical Society | ||||||||
Publisher: | Oxford University Press | ||||||||
ISSN: | 1365-2966 | ||||||||
Official Date: | May 2021 | ||||||||
Dates: |
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Volume: | 503 | ||||||||
Number: | 1 | ||||||||
Page Range: | pp. 1431-1441 | ||||||||
DOI: | 10.1093/mnras/stab301 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Reuse Statement (publisher, data, author rights): | |||||||||
Access rights to Published version: | Restricted or Subscription Access |
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