Wavelet analysis of solar macro-spicule recurrences

Details Wavelet analysis of solar macro-spicule recurrences Wavelet analysis of solar macro-spicule recurrences

Feb 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008newa...13...93a&link_type=abstract

New Astronomy, Volume 13, Issue 2, p. 93-97.

Physics

3

Solar Physics

Scientific paper

We looked at the temporal behavior of intensity variations of spicules and macro-spicules observed at the solar limb by TRACE (transition region and coronal explorer) EUV telescope in the 1600 Å channel. Using wavelet analysis technique we got evidence of spicule oscillations. The time frequency analysis provided by the wavelet analysis shows a temporal behavior of spicules with recurrences at periods of about 210 260 s with a typical lifetime of 10 min. Finally, we shortly discuss two scenarios regarding the possible origin of spicule oscillations.

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