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2014•Astronomy and AstrophysicsOpen access

Pulsating red giant stars in eccentric binary systems discovered from Kepler space-based photometry

P. G. Beck, K. Hambleton, J. Vos, T. Kallinger, S. Bloemen, A. Tkachenko, R. A. García, R. H. Østensen, C. Aerts, D. W. Kurtz, J. De Ridder, S. Hekker, K. Pavlovski, S. Mathur, K. De Smedt, A. Derekas, E. Corsaro, B. Mosser, H. Van Winckel, Daniel Huber, P. Degroote, G. R. Davies, A. Prša, J. Debosscher, Y. Elsworth, Péter Németh, L. Siess, V. S. Schmid, P. I. Pápics, B. L. de Vries, Allard Jan van Marle, P. Marcos-Arenal, A. Lobel

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Abstract

Context. The unparalleled photometric data obtained by NASA’s Kepler Space Telescope has led to improved understanding of red giant stars and binary stars. Seismology allows us to constrain the properties of red giants. In addition to eclipsing binaries, eccentric non-eclipsing binaries that exhibit ellipsoidal modulations have been detected with Kepler.

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What this paper is about

Context. The unparalleled photometric data obtained by NASA’s Kepler Space Telescope has led to improved understanding of red giant stars and binary stars. Seismology allows us to constrain the properties of red giants. In addition to eclipsing binaries, eccentric non-eclipsing binaries that exhibit ellipsoidal modulations have been detected with Kepler.

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Available abstract

Context. The unparalleled photometric data obtained by NASA’s Kepler Space Telescope has led to improved understanding of red giant stars and binary stars. Seismology allows us to constrain the properties of red giants. In addition to eclipsing binaries, eccentric non-eclipsing binaries that exhibit ellipsoidal modulations have been detected with Kepler.

Key concepts: Physics, Red giant, Astrophysics, Photometry (optics), Light curve, Radial velocity, Stars, Binary number

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