Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005hia....13..391k&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
It has been only two years since the birth of asteroseismology for solar-like stars was proclaimed. With the resounding success of Helioseismology in determining the interior structure and rotation of the Sun and in providing unprecedented studies of the interaction of pulsation and magnetic fields in the solar atmosphere astronomers have been thrilled after decades of disappointing attempts with the recent discovery of solar-like oscillations in the other stars. There is now true seismology of a variety of solar-like stars. Asteroseismology also studies stars with a wide variety of interior and surface conditions. For two decades asteroseismic techniques have been applied to many pulsating stars across the HR Diagram. This review will introduce for non-specialists the astrophysics of pulsation modes in stars - p-modes and g-modes; a graphic view of spherical harmonics and their nodes; excitation; the effects of rotation magnetic fields and tides. It will introduce photometric and spectroscopic detection techniques. It will show some of the great successes already accomplished and it will point the way to the next 1.5 days of fascinating discoveries in the seismology of solar-like stars.
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