Breaking the core-envelope symmetry in p-mode pulsating stars

Details Breaking the core-envelope symmetry in p-mode pulsating stars Breaking the core-envelope symmetry in p-mode pulsating stars

2004-05-13

arxiv.org/abs/astro-ph/0405249v1

Astron.Astrophys. 422 (2004) 271-273

Astronomy and Astrophysics

Astrophysics

3 pages, 3 figures, accepted for publication in Astronomy and Astrophysics

Scientific paper

10.1051/0004-6361:20040209

It has been shown that there is a potential ambiguity in the asteroseismic determination of the location of internal structures in a pulsating star. We show how, in the case of high-order non-radial acoustic modes, it is possible to remove this ambiguity by considering modes of different degree. To support our conclusions we have investigated the seismic signatures of sharp density variations in the structure of quasi-homogeneous models.

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