HR: 0830h
AN: SP21B-01    [Abstracts]
TI: Thermal and Kinetic Properties of Motions in a Prominence Activation and Nearby Loop
AU: * Kucera, T A
EM: terry.kucera@nasa.gov
AF: NASA/GSFC, Code 612.1 NASA/GSFC, Greenbelt, MD 20771 United States
AU: Landi, E E
EM: landi@medusa1.nrl.navy.mil
AF: Artep Inc., Naval Research Laboratory, Washington, DC 20375-5320 United States
AB: We perform a quantitative analysis of the thermal properties of a prominence activation and motions in a nearby loop. In order to make measurements of the quickly moving features seen in loops and prominences in the UV we use the SOHO/SUMER spectrograph to take a time series of exposures from a single pointing position, providing a measurement of spectral line properties as a function of time and position along the slit. The lines observed cover a broad range of temperatures from 80,000 - 1.6 million K. These measurements are combined with TRACE movies in transition region and coronal temperature bands to obtain more complete information concerning prominence structure and motions. The resulting observations allow us to analyze the thermal and kinetic energy of the moving sources as functions of time. The loop and prominence are most apparent in lines formed at temperatures below 250,000 K. We find that in most cases the temperature distribution of plasma in a moving feature changes relatively little over time periods of about 20 minutes.
DE: 7509 Corona
DE: 7546 Transition region
DE: 7549 Ultraviolet emissions
SC: Solar Physics Division - AAS [SP]
MN: 2005 Joint Assembly