Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agusmsp31c..01r&link_type=abstract
American Geophysical Union, Spring Meeting 2008, abstract #SP31C-01
Astronomy and Astrophysics
Astrophysics
7500 Solar Physics, Astrophysics, And Astronomy, 7509 Corona
Scientific paper
Data was obtained using the EUV Imaging Spectrometer (EIS) instrument on Hinode. The loop being analyzed was observed by EIS on 2007 May 1. The goal of this project is to analyze the data obtained by the EIS instrument in order to determine the temperature and density of the coronal loop. The background intensity was subtracted from the loop pixel intensity in order to isolate the emission from the loop. The spectral line intensities of each loop pixel were analyzed to determine which spectral lines had any significant contribution to the loop intensity. The observed intensities of these significant lines were then used to create a differential emission measure (DEM) curve to best fit the loop pixel emission. Density analysis was done using the CHIANTI atomic physics database along with the measured intensity ratios of density-sensitive lines. The DEM curves and density analysis for the loop pixel indicate a multi-thermal temperature profile. Solar physics research at the University of Memphis is supported by NSF ATM-0402729 with Hinode subcontracted from NASA/SAO.
Rightmire L. A.
Schmelz Joan T.
Scott Jacob
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