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Dynamics of a Quiescent Filament

Published online by Cambridge University Press:  14 August 2015

B. Schmieder ,
M.-J. Martres ,
P. Mein  and
I. Soru-Escaut
B. Schmieder
Affiliation:
Observatoire de Paris, 92190 Meudon, France
M.-J. Martres
Affiliation:
Observatoire de Paris, 92190 Meudon, France
P. Mein
Affiliation:
Observatoire de Paris, 92190 Meudon, France
I. Soru-Escaut
Affiliation:
Observatoire de Paris, 92190 Meudon, France

Extract

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The topic of this paper is to present some results concerning the dynamics of quiescent filaments. Observations with the Meudon Heliograph in three wavelengths in the Hα line have already shown two kinds of perturbations : (1) a fast one lasting about 10 minutes and (2) a slow one which lasts a few hours. These qualitative observations have been completed recently with the Multichannel Subtractive Double Pass Spectrograph (MSDP) which operates on the Solar Tower in Meudon. This instrument allows a good spatial and temporal resolution which gives quantitative results.

Type
Part III. Solar Transient Phenomena Affecting the Corona and Interplanetary Medium: Dynamics Deduced from Observations
Information
Symposium - International Astronomical Union , Volume 91: Solar and Interplanetary Dynamics , 1980 , pp. 213 - 215
Copyright
Copyright © Reidel 1980