The impulsive phase in solar flares: recent multi-wavelength results and their implications for microwave modeling and observations

Fletcher, L. and Simoes, P. J. A. (2012) The impulsive phase in solar flares: recent multi-wavelength results and their implications for microwave modeling and observations. In: Solar Physics with Radio Observations - Twenty Years of Nobeyama Radioheliograph and Beyond, Nagoya University, Aichi, Japan, 20-23 Nov 2012,

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Publisher's URL: http://st4a.stelab.nagoya-u.ac.jp/SPRO2012/

Abstract

This short paper reviews several recent key observations of the processes occurring in the lower atmosphere (chromosphere and photosphere) during flares. These are: evidence for compact and fragmentary structure in the flare chromosphere, the conditions in optical flare footpoints, step-like variations in the magnetic field during the flare impulsive phase, and hot, dense 'chromospheric' footpoints. The implications of these observations for microwaves are also discussed.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Simoes, Dr Paulo Jose and Fletcher, Professor Lyndsay
Authors: Fletcher, L., and Simoes, P. J. A.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:National Solar Radio Observatory Reports
Publisher:National Astronomical Observatory of Japan
ISSN:0911-5501
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
542081Rolling Programme in Solar and Plasma AstrophysicsLyndsay FletcherScience & Technologies Facilities Council (STFC)ST/I001808/1P&A - PHYSICS & ASTRONOMY
537641High Energy Solar Physics Data in Europe HESPELyndsay FletcherEuropean Commission (EC)UNSPECIFIEDP&A - PHYSICS & ASTRONOMY