Curvelet applications to asteroseismic data

Details Curvelet applications to asteroseismic data Curvelet applications to asteroseismic data

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sf2a.conf..343l&link_type=abstract

SF2A-2005: Semaine de l'Astrophysique Francaise, meeting held in Strasbourg, France, June 27 - July 1, 2005, Edited by F. Casoli

Astronomy and Astrophysics

Astrophysics

Scientific paper

To improve the peak tagging and the extraction of stellar parameters in the future asteroseismic observations, we apply a new image processing technique, the curvelet transform, to filter the asteroseismic echelle diagram. It provides a contrast enhancement in noisy images with curved patterns. We show that the curvelet filtering of the echelle diagrams of a sun seen as a COROT target makes easier the tagging of the modes and the estimate of both the averaged rotation and inclination angle of stars.

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