A few concluding remarks

Details A few concluding remarks A few concluding remarks

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004coast.145...85b&link_type=abstract

Communications in Asteroseismology, vol. 145, p. 85-89

Physics

Scientific paper

Since the discovery of time variability in observed stellar quantities, as apparent magnitude and spectral characteristics, this phenomenon has been considered as a very important source of information to understand stars. Indeed, the global surface parameters as effective temperature, luminosity, and surface chemical composition tell a lot and have been extensively used in building internal structure theory. But this information is generally not sufficient as it is "degenerate", different internal physical conditions producing identical surface parameters. Dynamical phenomena, as intrinsic oscillations are the ideal indicators of these internal properties. They are present in many types of stars, with very different characteristics. The method and tools to observe them, as well as their potential of diagnostics in terms of internal structure are then very diverse. In this symposium, the different aspects of variability studies and seismology have been presented, from the discovery of new objects and new effects, to the inference of the physical parameters of the interiors, with particularly difficult steps such as mode identification.

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