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- W4318908712 abstract "We present the photometric analysis of textit{BVR} and textit{TESS} light curves of three eclipsing binaries (RU~UMi and purely studied VY~UMi, GSC 04364-00648), together with their period changes considering archival data and new minima times from our and textit{TESS} observations. For the first time we detected wave-like variations with low-amplitude in $O-C$ residua of RU UMi, which can be interpreted as a consequence of the light-time effect caused by the 3rd invisible component with period 7370 days. Period increase with rate 2.56(9)$times10^{-7}$~d/yr$^{-1}$ detected in the VY UMi system corresponds to mass transfer from the secondary to the primary component. For GSC 04364-00648 binary system we find some quadratic changes on the $O-C$ diagram, which corresponds to a period decrease with a high rate of $-2.26(5)times10^{-5}$~d/yr$^{-1}$. We cannot assumptions about their nature, mainly due to short time of observation and uneven coverage of $O-C$ diagram. We also determined the absolute parameter of their components using the photometric solution and textit{GAIA} distances." @default.
- W4318908712 created "2023-02-03" @default.
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- W4318908712 date "2023-01-31" @default.
- W4318908712 modified "2023-09-24" @default.
- W4318908712 title "Photomeric analysis of eclipsing binaries: VY UMI, RU UMI AND GSC 04364-00648" @default.
- W4318908712 doi "https://doi.org/10.48550/arxiv.2301.13763" @default.
- W4318908712 hasPublicationYear "2023" @default.
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