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Mapping prominence plasma parameters from eclipse observations

Published online by Cambridge University Press:  06 January 2014

Sonja Jejčič ,
Petr Heinzel ,
Maciej Zapiór ,
Miloslav Druckmüller ,
Stanislav Gunár  and
Pavel Kotrč
Sonja Jejčič
Affiliation:
University of Ljubljana, Department of Physics, Ljubljana, Slovenia email: sonja.jejcic@guest.arnes.si
Petr Heinzel
Affiliation:
Astronomical institute of the Academy of Sciences, Ondřejov, Czech Republic email: pheinzel@asu.cas.cz, gunar@asu.cas.cz, pkotrc@asu.cas.cz
Maciej Zapiór
Affiliation:
Astronomical institute of the Academy of Sciences, Ondřejov, Czech Republic email: pheinzel@asu.cas.cz, gunar@asu.cas.cz, pkotrc@asu.cas.cz Departament de Física, Universitat de les Illes Balears, Palma de Mallorca, Spain email: maciej.zapior@uib.es
Miloslav Druckmüller
Affiliation:
Institute of Mathematics, Brno University of Technology, Brno, Czech Republic email: druckmuller@fme.vutbr.cz
Stanislav Gunár
Affiliation:
Astronomical institute of the Academy of Sciences, Ondřejov, Czech Republic email: pheinzel@asu.cas.cz, gunar@asu.cas.cz, pkotrc@asu.cas.cz
Pavel Kotrč
Affiliation:
Astronomical institute of the Academy of Sciences, Ondřejov, Czech Republic email: pheinzel@asu.cas.cz, gunar@asu.cas.cz, pkotrc@asu.cas.cz
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Abstract

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Using the eclipse observations, we construct the maps of quiescent prominence temperatures, electron densities, pressures and geometrical thicknesses. For this we use the RGB signal of prominence visible-light emission detected during the total solar eclipse on August 1, 2008 in Mongolia, and quasi-simultaneous Hα spectra taken at Ondřejov observatory. The method of disentangling the electron density and effective geometrical thickness was described by Jejčič & Heinzel (2009) and is used here for the first time to analyse the spatial variations of various prominence parameters.

Keywords

Eclipse ObservationsProminencesQuiescentSpectral LineIntensity and Diagnostics
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S300: Nature of Prominences and their role in Space Weather , June 2013 , pp. 420 - 421
Copyright
Copyright © International Astronomical Union 2013 

References

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Jejčič, S. & Heinzel, P. 2009 Solar Phys., 254, 89CrossRefGoogle Scholar
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