 Stellar Seismology Principal investigator The main objective of the project is the seismic stuffy of stars across the HR Diagram, with special emphasis on stars with low and intermediate mass. The main goal is to observationally detect oscillations to test models off the internal structure of these stars, namely the excitation mechanism behind their oscillations, the chemical structure, convection, rotation and atmospheric stratification. The observational effort is concentrated on the preparation of space mission for asteroseismology (Eddington by ESA, and MONS by Denmark) and on using data from existing missions for helioseismology (SOHO by ESA/NASA). There is also a strong participation on ground based observational programmes either by using individual telescopes (ESO and ING-Canarias) or by participating in networks (as the ‘Whole Earth Telescope’ and the ‘MONS Ground Based Supporting Programme). These programmes address mainly the observation of solar-type stars, sdB stars, delta-scuti stars, and also pre-main sequence low and intermediate mass stars. The theoretical effort concentrates mainly on the calculation of stellar evolution models and their seismic properties, with special emphasis on the modeling of convection and atmospheric structure. Rotation and the excitation mechanism are also addressed in the seismic study of intermediate mass stars. By combining the seismic observations and tests with HR Diagram analysis we aim at understanding the underlying physical aspects determining the observed pulsating behavior of these stars. Funding institution Start: 1 May 2002
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