Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005hia....13..403t&link_type=abstract
Highlights of Astronomy, Vol. 13, as presented at the XXVth General Assembly of the IAU - 2003 [Sydney, Australia, 13 - 26 July
Astronomy and Astrophysics
Astronomy
Scientific paper
Stellar evolution is improving very quickly thanks to precise observations and the introduction of hydrodynamical processes. These phenomena improve our vision of stars in the phases where they have a dominant role. I shall present some challenging problems choosen in young clusters high mass stars or final stages of evolution.
Helio and asteroseismology will largely contribute to validate our understanding of the dynamical aspects which are not totally undercontrolled with present computer performances.
The Sun is the crucial guide for developping tools useful for future space missions. I shall introduce the difficulties and highlights of this unique case when we look to the Sun as a star. This experience is extremely rich for the future asteroseismic observations. Some strategies of observation will be introduced to disentangle the validation of physical processes from the waiting asteroseismic observation difficulties.
Phi Nghiem Phu Anh
Piau Laurent
Turck-Chieze Sylvaine
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