Dynamics of Transition Region Moss

Details Dynamics of Transition Region Moss Dynamics of Transition Region Moss

May 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...194.7901b&link_type=abstract

American Astronomical Society, 194th AAS Meeting, #79.01; Bulletin of the American Astronomical Society, Vol. 31, p.963

Astronomy and Astrophysics

Astronomy

Scientific paper

We examine the dynamics of solar transition region "moss", the 10(6) K EUV emission at the footpoint regions of 2--3 MK active region coronal loops. Comparisons of TRACE 171 Angstroms movies with SVST (La Palma) Ca II K-line, Hα , and G-band movies are made. Local Correlation Tracking (LCT) flowmapping techniques are used to establish the photospheric flowfield in plage regions with and without associated moss. The relation of moss emission to chromospheric spicules or fibrils is examined in detail using Hα movies and dopplergrams. In addition, several microflare events occuring in plage regions are analyzed using TRACE and SVST movies. This research was supported by NASA contract NAS5-38099 (TRACE) and NASA SR&T grant NASW-98008.

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