τ Ori and τ Lib: Two new massive heartbeat binaries

Andrzej Pigulski , Monika K. Kaminska , Krzysztof Kaminski , Ernst Paunzen , Jan Budaj , Theodor Pribulla , Pascal J. Torres , Ivanka Stateva

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Ewa Niemczura Marek Skarka Filiz Kahraman Alicavus Matej Sekeras Mathieu Van der Swaelmen Martin Vanko Leonardo Vanzi Ana Borisova Krzysztof Helminiak Fahri Alicavus Wojciech Dimitrov Jakub Tokarek Aliz Derekas Daniela Fernandez Zoltan Garai Mirela Napetova Richard Komzik Thibault Merle Milena Ratajczak Noel D. Richardson Ritter Observing Team Eiji Kambe Nobuharu Ukita (and the BRITE Team)

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classification 🌌 astro-ph.SR

keywords heartbeatmassivesystemapsidalbinariesbriteclosedata

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We report the discovery of two massive eccentric systems with BRITE data, $\tau$ Ori and $\tau$ Lib, showing heartbeat effects close to the periastron passage. $\tau$ Lib exhibits shallow eclipses that will soon vanish due to the apsidal motion in the system. In neither system, tidally excited oscillations were detected.

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τ Ori and τ Lib: Two new massive heartbeat binaries

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