| Issue |
A&A
Volume 422, Number 1, July IV 2004
|
|
|---|---|---|
| Page(s) | 271 - 273 | |
| Section | Stellar structure and evolution | |
| DOI | https://doi.org/10.1051/0004-6361:20040209 | |
| Published online | 06 July 2004 | |
Research Note
Breaking the core-envelope symmetry in p-mode pulsating stars
1
Institut d'Astrophysique et de Géophysique de l'Université de Liège, 17 Allée du 6 Août, 4000 Liège, Belgium
2
INAF-Osservatorio Astronomico di Brera, via Bianchi 46, 23807 Merate, Italy
Corresponding author: A. Miglio, miglio@astro.ulg.ac.be
Received:
5
February
2004
Accepted:
29
April
2004
It has been shown that there is a potential ambiguity in the asteroseismic determination of the location of internal structures in a pulsating star (Montgomery et al. [CITE]). 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.
Key words: stars: oscillations (including pulsations) / stars: interiors
© ESO, 2004
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