Investigating the correlation between high-frequency global oscillations and solar flares

Details Investigating the correlation between high-frequency global oscillations and solar flares Investigating the correlation between high-frequency global oscillations and solar flares

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011jphcs.271a2048c&link_type=abstract

Journal of Physics: Conference Series, Volume 271, Issue 1, pp. 012048 (2011).

Physics

Scientific paper

Global oscillations have been observed in the high-frequency spectrum in velocity and intensity measurements above the acoustic cutoff frequency of the solar atmosphere. In a recent work, strong correlation at high frequencies, determined between helioseismic spectra and soft x-ray flux has been cited as evidence that solar flares may be one of the mechanisms whereby these high-frequency oscillations are excited. We investigate the possible dependencies of the correlation coefficient, computed for helioseismic and soft x-ray data, on the pre-processing and data analysis, and the instruments used for data acquisition.

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