Mathematics – Logic
Scientific paper
Jun 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.508...91r&link_type=abstract
In: Proceedings of the SOHO 11 Symposium on From Solar Min to Max: Half a Solar Cycle with SOHO, 11-15 March 2002, Davos, Switze
Mathematics
Logic
3
Methods: Data Analysis, Sun: Oscillations
Scientific paper
A novel peak-bagging method is presented that operates by fitting a theoretical profile (symmetric or asymmetric) to the separate peaks of each multiplet within each unaveraged power spectrum. This new approach allows a separate frequency, width, and amplitude to be obtained for each m value at each value of l, n. Hence, the frequency splittings due to solar rotation for each multiplet can be measured directly. We present some of our initial results obtained with this new method in the range 45 <= l <= 300, ν <= 7 mHz when applied to data from the Michelson Doppler Imager (MDI) onboard the Solar and Heliospheric Observatory (SOHO). Also discussed are some instrumental and methodological problems of high-degree mode measurements.
Kosovichev Aleksandr G.
Reiter Johann
Rhodes Elmer J.
Scherrer Philip H.
Schou Jepser
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