Vertical structure of pulsations in roAp stars

Details Vertical structure of pulsations in roAp stars Vertical structure of pulsations in roAp stars

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007coast.150...81s&link_type=abstract

Communications in Astroseismology, Vol. 150, p.81

Astronomy and Astrophysics

Astronomy

2

Scientific paper

We present a detailed analysis of the vertical cross-section of the pulsation modes of roAp stars. We use unique properties of roAp stars, in particular their chemical stratification, to resolve the vertical structure of p-modes and to study the propagation of pulsation waves. The aim of this analysis is to derive a complete picture of the depth-dependence of amplitudes and phases of magnetoacoustic waves from the variability of hundreds of spectral lines of different elements/ions.

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