Physics – Plasma Physics
Scientific paper
Oct 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aps..dpplm1002k&link_type=abstract
American Physical Society, 43rd Annual Meeting of the APS Division of Plasma Physics October 29 - November 2, 2001 Long Beach, C
Physics
Plasma Physics
Scientific paper
We present possible radio evidence of magnetic reconnection in solar flares.We discuss one specific solar flare -an LDE event of GOES class M3.2 that was observed with the Nobeyama Radio Heliograph (NoRH) in Japan as well as with the Soft X-ray telescope aboard the satellite Yohkoh.The event was also observed in H-alpha and with metric dynamic spectrum analyzers.Our evidence is based upon the facts that we observed a bright microwave source-blob at 17 and 34 GHz near the intersection of two apparently intersecting flaring loops or as a loop-top source above the flaring loop.The bright microwave source is clearly nonthermal and its time profile is similar to that of the flaring foot point microwave sources; and in the late decay phase of the event the microwave source structure is similar to that of the corresponding SXR source. The event was accompanied by a Moreton wave (evidence of shock wave ) and a type II radio burst (a consequence of the shock).We discuss the observations in relation to a specific flare model that involves magnetic reconnection.
Grechnev Victor V.
Kundu Mukul R.
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