Observing solar-like oscillations with ELODIE spectrograph

Details Observing solar-like oscillations with ELODIE spectrograph Observing solar-like oscillations with ELODIE spectrograph

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001sf2a.conf..219m&link_type=abstract

Abstracts from SF2A-2001: Semaine de l'Astrophysique Francaise, meeting held in Lyon, France, May 28-June 1st, 2001, Eds.: F. Co

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Scientific paper

We have used ELODIE fiber-fed cross-dispersed echelle spectrograph and the 1.93m-telescope of Observatoire de Haute Provence to obtain precise Doppler measurements of a sample of bright stars that are likely to undergo solar-like oscillations. Here we report the results for Procyon from three observing runs (5, 10 and 15 nights) in Decembre 1997, Novembre 1998, and January 1999. The individual frequencies of p-modes were searched in the interval of excess power around 1 mHz found in the frequency spectra of each time series. The echelle diagram of the observed and predicted p-mode frequencies from the standard model (Chaboyer et al., 1999) for Procyon A is presented. We show also some preliminary results for two other solar-like stars (eta Cas and z Her).

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