Solar Filaments and Photospheric Network

Details Solar Filaments and Photospheric Network Solar Filaments and Photospheric Network

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005soph..227..283l&link_type=abstract

Solar Physics, Volume 227, Issue 2, pp.283-297

Physics

17

Scientific paper

The locations of barbs of quiescent solar filaments are compared with the photospheric/chromospheric network, which thereby serves as a proxy of regions with enhanced concentrations of magnetic flux. The study covers quiet regions, where also the photospheric network as represented by flow converging regions, i.e., supergranular cell boundaries, contain largely weak magnetic fields. It is shown that close to 65% of the observed end points of barbs falls within the network boundaries. The remaining fraction points into the inner areas of the network cells. This confirms earlier findings (Lin et al., Solar Physics, 2004) that quiescent filaments are basically connected with weaker magnetic fields in the photosphere below.

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