Tau Ori and Tau Lib: Two New Massive Heartbeat Binaries

Pigulski, A. and Kaminska, M. K. and Kamunska, K. and Paunzen, E. and Budaj, J. and Pribulla, T. and Torres, P.J. and Stateva, I. and Niemczura, E. and Skarka, M. and Alicavus, F.K. and Sekeras, M. and van der Swaelmen, M. and Vaňko, M. and Vanzi, L. and Borisova, A. and Helminiak, K. and Alicavus, F. and Dimitrov, W. and Tokarek, J. and Derekas, A. and Fernández, D. and Garai, Z. and Napetova, M. and Komžı́k, R. and Merle, T. and Ratajczak, M. and Richardson, N.D. and Kambe, E. and Ukita, N. (2018) Tau Ori and Tau Lib: Two New Massive Heartbeat Binaries. In: 3rd BRITE Science Conference.

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Abstract

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. τ 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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