Eddington and the internal constitution of the stars

Details Eddington and the internal constitution of the stars Eddington and the internal constitution of the stars

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.538...23r&link_type=abstract

In: Second Eddington Workshop: Stellar structure and habitable planet finding, 9 - 11 April 2003, Palermo, Italy. Edited by F. F

Computer Science

6

Eddington, Asteroseismology, Stellar Evolution, Inversion Techniques, Internal Phase Shift

Scientific paper

Eddington will provide sets of frequencies of multimode oscillations for a very large number of stars of different masses, ages, compositions and angular velocities. This will enable us to infer their interior structure and dynamics, and hence to test our current understanding of stellar structure and to develop an empirically based theory of stellar evolution. Here I discuss some of the techniques available for inferring the structure of stars from a given set of frequencies. In particular, I demonstrate that, at least in solar type stars, the ratio of small to large separations subtracts off the contribution of the surface layers yielding a diagnostic of the stellar interior alone.

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