The internal rotation of the GW Vir star PG 0112+200 through the eyes of asteroseismology

A. H. C\'orsico; E. Garc\'ia-Berro; L. G. Althaus; M. M. Miller Bertolami; S. D. Kawaler

arxiv: 1108.3361 · v1 · pith:C43Q3IZLnew · submitted 2011-08-16 · 🌌 astro-ph.SR

The internal rotation of the GW Vir star PG 0112+200 through the eyes of asteroseismology

A. H. C\'orsico , L. G. Althaus , S. D. Kawaler , M. M. Miller Bertolami , E. Garc\'ia-Berro This is my paper

classification 🌌 astro-ph.SR

keywords rotationstarinternaladoptapproachasteroseismologicalasteroseismologyclosely

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We investigate the internal rotation profile of the GW Vir (PG1159-type) star PG 0122+200 by employing an asteroseismological model that closely reproduces the observed periods of this star. We adopt a forward approach and two inversion methods based on the rotational splitting of the pulsation frequencies to explore the properties of the rotation of PG 0122+200. We found evidence for differential rotation in this star.

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The internal rotation of the GW Vir star PG 0112+200 through the eyes of asteroseismology

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