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Multitemperature analysis of solar flare observed on 2003 March 29

Published online by Cambridge University Press:  09 September 2016

Anna Kepa ,
Barbara Sylwester ,
Janusz Sylwester ,
Marek Siarkowski ,
Tomasz Mrozek  and
Magdalena Gryciuk
Anna Kepa
Affiliation:
Space Research Centre, Polish Academy of Sciences, Solar Physics Division, Wroclaw, Poland email: ak@cbk.pan.wroc.pl
Barbara Sylwester
Affiliation:
Space Research Centre, Polish Academy of Sciences, Solar Physics Division, Wroclaw, Poland email: ak@cbk.pan.wroc.pl
Janusz Sylwester
Affiliation:
Space Research Centre, Polish Academy of Sciences, Solar Physics Division, Wroclaw, Poland email: ak@cbk.pan.wroc.pl
Marek Siarkowski
Affiliation:
Space Research Centre, Polish Academy of Sciences, Solar Physics Division, Wroclaw, Poland email: ak@cbk.pan.wroc.pl
Tomasz Mrozek
Affiliation:
Space Research Centre, Polish Academy of Sciences, Solar Physics Division, Wroclaw, Poland email: ak@cbk.pan.wroc.pl Astronomical Institute, University of Wroclaw, Wroclaw, Poland
Magdalena Gryciuk
Affiliation:
Space Research Centre, Polish Academy of Sciences, Solar Physics Division, Wroclaw, Poland email: ak@cbk.pan.wroc.pl Astronomical Institute, University of Wroclaw, Wroclaw, Poland
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Abstract

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We present results of multitemperature analysis of GOES C7.2 class flare SOL2003-03-29T10:15. This event occurred close to the centre of the solar disk and had two maxima in soft X-rays. We have performed analysis of physical parameters characterizing evolution of conditions in the flaring plasma. The temperature diagnostics have been carried out using the differential emission measure (DEM) approach based on the soft X-ray spectra collected by RESIK Bragg spectrometer. Analysis of data obtained by RHESSI provided opportunity to estimate the volume and thus calculating the density and thermal energy content of hot flaring plasma.

Keywords

Solar flaresspectradifferential emission measure

References

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