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@inproceedings{1228675, author = {Liška, Jiří and Skarka, Marek}, address = {Czech Republic}, booktitle = {Proceedings of the 46th Conference on Variable Stars Research}, editor = {Kocián, R.}, keywords = {O-C diagram; variable star; binary star; pulsating star}, howpublished = {elektronická verze "online"}, language = {eng}, location = {Czech Republic}, pages = {38-44}, publisher = {Sekce pozorovatelů proměnných hvězd České astronomické společnosti}, title = {O-C diagrams and period changes in stellar systems}, url = {http://var.astro.cz/oejv/oejv.php?oejv=169}, year = {2015} }
TY - JOUR ID - 1228675 AU - Liška, Jiří - Skarka, Marek PY - 2015 TI - O-C diagrams and period changes in stellar systems PB - Sekce pozorovatelů proměnných hvězd České astronomické společnosti CY - Czech Republic KW - O-C diagram KW - variable star KW - binary star KW - pulsating star UR - http://var.astro.cz/oejv/oejv.php?oejv=169 L2 - http://var.astro.cz/oejv/oejv.php?oejv=169 N2 - Based on the visual inspection of all O-C diagrams available in the O-C gateway managed by the Variable stars and exoplanet section of the Czech astronomical society we present an overview of possible shapes of O-C diagrams together with discussion of possible effects causing such dependences. The nature of these effects is discussed for various types of periodic variable. We also give short remarks on interesting eclipsing systems BV Dra and BW Dra which form a visual pair and show antiparallel changes of their O-C diagrams. In addition we comment on period changes of UU Cam, and argue that it probably shows long-term Light Time Effect (LiTE) rather than sudden period change. Effects which are observable only in ultra-precise, quasi-continual measurements gathered by the Kepler satellite are discussed at the end of this contribution. ER -
LIŠKA, Jiří a Marek SKARKA. O-C diagrams and period changes in stellar systems. Online. In Kocián, R. \textit{Proceedings of the 46th Conference on Variable Stars Research}. Czech Republic: Sekce pozorovatelů proměnných hvězd České astronomické společnosti, 2015, s.~38-44. ISSN~1801-5964.
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