Tidally Tilted Pulsators

Kavli Affiliate: Saul A. Rappaport

| First 5 Authors: Gerald Handler, Rahul Jayaraman, Donald W. Kurtz, Jim Fuller, Saul A. Rappaport

| Summary:

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.

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