Space and ground-based seismology

Details Space and ground-based seismology Space and ground-based seismology

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sf2a.conf..283m&link_type=abstract

SF2A-2005: Semaine de l'Astrophysique Francaise, meeting held in Strasbourg, France, June 27 - July 1, 2005, Edited by F. Casoli

Astronomy and Astrophysics

Astrophysics

Scientific paper

For a few decades now, solar and stellar seismology are opening a new window on the structure and evolution of stars, with the necessary parallel development of new observational techniques, modeling tools and methods for diagnostics and interpretation. This new window is associated with new observables, characterizing the oscillations (frequencies, amplitudes, line widths,...) which are sensitive to the stellar interior. They are very complementary with "surface" observables, associated to astrometry, spectropolarimetry or interferometry, which in parallel are experiencing impressive progress. The potential field for application is very large, since pulsation -- looking more and more like the generality rather than the exception all around the HR diagramme -- will help further understanding of various mass ranges and evolution stages, dominated by different presently poorly understood physical processes. In this adventure, European groups and notably French ones are very active.

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