Test of a new method for seismic indices and granulation parameters extraction
LESIA, Observatoire de Paris, CNRS UMR8109, Université Pierre et Marie Curie, Université Paris Diderot
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Published online: 23 September 2015
In the framework of the data base project SSI (Stellar Seismic Indicesb), we have developed and tested a new method aiming at optimizing the simultaneous measurement of both the seismic indices characterizing the oscillations (Δν, νmax) and the indices characterizing the granulation signature. Here, we describe this method which is intended to take advantage of the MLE (maximum likelihood estimate) algorithm combined with the parametrized representation of the red giants pulsation spectrum following the Universal Pattern . We report its performances tested on Monte Carlo simulations.
© Owned by the authors, published by EDP Sciences, 2015
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