Physics
Scientific paper
Mar 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993soph..144...15w&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 144, no. 1, p. 15-35.
Physics
77
Solar Corona, Solar Magnetic Field, Solar Physics, Solar X-Rays, Coronal Loops, Magnetic Field Reconnection, Magnetic Signatures, X Ray Imagery
Scientific paper
The results of a study of X-ray bright points (XBPs) and small-scale evolving magnetic structures are presented. X-ray images obtained during rocket flights, full-disk magnetograms, and time-lapse magnetograms of multiple fields make up the coordinated data set. XBPs were found to be more frequently associated with pre-existing magnetic features of opposite polarity which appeared to be cancelling than with new or emerging flux regions. Most of the XBPs appeared to correspond to opposite polarity magnetic features which were converging towards each other, and some of which had not yet begun cancelling. It is suggested that most XBPs are created when converging flow brings together oppositely directed field lines. This leads to reconnection and heating in the low corona of the newly-formed loops.
Harvey Jack W.
Martin Sara F.
Moses Dan
Webb David F.
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