Physics
Scientific paper
Aug 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006iaujd...3e..79p&link_type=abstract
Solar Active Regions and 3D Magnetic Structure, 26th meeting of the IAU, Joint Discussion 3, 16-17 August, 2006, Prague, Czech R
Physics
Scientific paper
A well-known phenomenon observed in the solar chromosphere - chromospheres spicules- has been subject of a long-standing investigation both observationally and theoretically. At last few year once more theoretical approaches had been proposed. It is the leakage of p-mode in to chromosphere. This approach based on the observation of the spicules on the sun disk in the enhancement network. This paper is to make analyses of large set of the observational data on the original and evolution of the spicules observed on the solar limb. These observations provided a rather detailed spectroscopic picture of a specula phenomenon. We have discuss the time and height dependences of spectral lines parameters and line of site velocity during an evolution of the spicules. We have been stress here that wave-like fluctuations with duration much less than spicules life-time (with a period of near or less than 100 s), anomalous half-width of the spectral lines, a limb spicules transversal motion variations which time spectrum is very similar to fluctuation of a line-of-site velocity one. These phenomena need to explain. A proposal for observational tests will be considered.
Papushev Pavel
Salakhutdinov Rafik
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