Inversion for a 0.8 Msolar star using differential-response technique

Details Inversion for a 0.8 Msolar star using differential-response technique Inversion for a 0.8 Msolar star using differential-response technique

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.485..337r&link_type=abstract

In: Proceedings of the First Eddington Workshop on Stellar Structure and Habitable Planet Finding, 11 - 15 June 2001, Córdoba, S

Physics

4

Waves, Methods: Numerical, Stars: Oscillations

Scientific paper

We describe the results of an artificial asteroseismic inversion for an old 0.8 Msolar star using a limited set of low-degree p-mode frequencies. Two separate inversions were performed with artificial p-mode data in the degree range l = 0-3, frequency range ν = 1-5 mHz, and l = 0-2, ν = 2-4 mHz. The p-mode eigenfrequencies have been added with 0.3 μHz Gaussian noise. The stellar mass and radius were not supposed to be known. A recent solar model was used as an initial reference model in the iterative nonlinear inversion.

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