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AV CMi preliminary results from photometric study

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LIŠKA Jiří ZEJDA Miloslav LOMOZ František KUČÁKOVÁ Hana JANÍK Jan PODDANÝ Stanislav BRÁT Luboš ŠMELCER Ladislav SVOBODA Petr UHLÁŘ Rudolf TRNKA Jaroslav

Rok publikování 2012
Druh Článek v odborném periodiku
Časopis / Zdroj Open European Journal on Variable Stars
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www http://var.astro.cz/oejv/issues/oejv0154.pdf
Obor Astronomie a nebeská mechanika, astrofyzika
Klíčová slova stars: binaries: eclipsing; stars: third body; stars: individual AV CMi
Popis Preliminary results of one year photometric study of eclipsing binary system AV CMi are presented. Possible low-mass third body on unusual orbit in this system was discovered by Liakos & Niarchos (2010). Our measurements confirmed observed dips of brightness in the light curve called transit of third body. Two measurements were used for identification of host star but neither allows convincing decision. The results are contradictory and thus are opposed of three-body system. Blend of two eclipsing systems in the same position on the sky was proposed for this reason. Accuracy of our astrometric measurements did not allowed to detect an awaited shift in position of centroid during eclipse.
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