Dynamic coupling of the chromospheric and photospheric flaring plasma

Details Dynamic coupling of the chromospheric and photospheric flaring plasma Dynamic coupling of the chromospheric and photospheric flaring plasma

Oct 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.505..357b&link_type=abstract

In: SOLMAG 2002. Proceedings of the Magnetic Coupling of the Solar Atmosphere Euroconference and IAU Colloquium 188, 11 - 15 Jun

Physics

Solar Spectral Lines, Photosphere, Chromosphere, Flare

Scientific paper

The relaxing phase of the subflare observed in the core of chromospheric Ca II K line and in two photospheric Fe I 522.5 nm and Fe I 557.6 nm lines was investigated. The temporal evolution of asymmetry in Ca II K line and the mean bisectors positions of the Fe I line profiles as well as their correlations are presented. It is documented that the chromospheric down-flow caused by the subflare strongly affects the upper layers of the photosphere. As a consequence of relaxation of the photospheric layers strong down-flows and up-flows were measured at the end of the subflare relaxing phase.

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