The Energy Budget and Plasma Heating Rates of a Coronal Mass Ejection

Details The Energy Budget and Plasma Heating Rates of a Coronal Mass Ejection The Energy Budget and Plasma Heating Rates of a Coronal Mass Ejection

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21640606m&link_type=abstract

American Astronomical Society, AAS Meeting #216, #406.06; Bulletin of the American Astronomical Society, Vol. 41, p.880

Astronomy and Astrophysics

Astronomy

Scientific paper

Several recent observational results suggest that heating of coronal mass ejections (CMEs) continues even after the ejected material leaves the flare site. To investigate the importance of heating in the energy budget of these events, we analyze a partial halo CME on 28 June 2000 that was observed by the UVCS, LASCO, and EIT instruments aboard SOHO and the MK4 coronagraph at the Mauna Loa Solar Observatory (MLSO). We use a time-dependent ionization code starting from a grid of initial conditions to find which heating rates and parameterizations are consistent with the line strengths observed by UVCS for several blobs during this event. We estimate additional components of the energy budget including ionization and radiative/adiabatic cooling. Preliminary results suggest that the kinetic energy of these blobs is comparable to the energy deposited into heat.

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