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Tidally Tilted Pulsators

Handler, Gerald and Jayaraman, Rahul and Kurtz, Donald W. and Fuller, Jim and Rappaport, Saul A. (2022) Tidally Tilted Pulsators. . (Unpublished)

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The tidally tilted pulsators are a new type of oscillating star in close binary systems that have their pulsation axis in the orbital plane because of the tidal distortion caused by their companion. We describe this group of stars on the basis of the first three representatives discovered and illustrate the basic methods used for their analysis. Their value for astrophysical study is rooted in the combination of the strengths of binary star and asteroseismic analyses; pulsational mode identifications can be achieved because the oscillations are visible over nearly 360 degrees of aspect throughout the orbital cycle. An illustrative case of a particularly interesting system is presented.

Item Type:Report or Paper (Discussion Paper)
Related URLs:
URLURL TypeDescription Paper
Handler, Gerald0000-0001-7756-1568
Jayaraman, Rahul0000-0002-7778-3117
Kurtz, Donald W.0000-0002-1015-3268
Fuller, Jim0000-0002-4544-0750
Rappaport, Saul A.0000-0003-3182-5569
Additional Information:We are indebted to the Visual Search Group (Andrew Vanderburg, Thomas L. Jacobs, Robert Gagliano, Martti H. Kristiansen, Mark Omohundro, Hans Martin Schwengeler, Daryll M. LaCourse and Ivan A. Terentev) for pointing us to many interesting objects, making the discovery of tidally tilted pulsators possible. We thank David Mkrtichian for pointing out a mistake in the original manuscript that is now fixed. GH acknowledges financial support by the Polish NCN grant 2015/18/A/ST9/00578.
Group:Astronomy Department, TAPIR
Funding AgencyGrant Number
National Science Centre (Poland)2015/18/A/ST9/00578
Record Number:CaltechAUTHORS:20220526-173251873
Persistent URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:114939
Deposited By: George Porter
Deposited On:31 May 2022 15:08
Last Modified:02 Jun 2023 01:22

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