Effects of extinction in the quiet solar corona observed with TRACE

Details Effects of extinction in the quiet solar corona observed with TRACE Effects of extinction in the quiet solar corona observed with TRACE

May 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...194.7908s&link_type=abstract

American Astronomical Society, 194th AAS Meeting, #79.08; Bulletin of the American Astronomical Society, Vol. 31, p.964

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We use full-disk composite images of the solar corona as observed in the 171 Angstroms ( ~ 1 MK) and 195 Angstroms ( ~ 1.5 MK) pass bands of the Transition Region and Coronal Explorer to demonstrate that the emission from the quiet solar corona must necessarily be subjected to substantial extinction. We discuss the potential causes for these effects, including resonant scattering in the high, hot corona, and absorption by material at chromospheric temperatures in a multitude of dynamic structures embedded within the low corona. This work was supported by contract NAS5-38099 with NASA Goddard Space Flight Center.

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