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Evolution of a Group of Coronal Holes Associated with Eruption of Nearby Prominences and CMEs

Published online by Cambridge University Press:  06 January 2014

Heidy Gutiérrez ,
Lela Taliashvili  and
Zadig Mouradian
Heidy Gutiérrez
Affiliation:
Space Research Center, University of Costa Rica, 2060 San José, Costa Rica email: heidy.gutierrez@cinespa.ucr.ac.cr
Lela Taliashvili
Affiliation:
Space Research Center, University of Costa Rica, 2060 San José, Costa Rica email: heidy.gutierrez@cinespa.ucr.ac.cr
Zadig Mouradian
Affiliation:
Observatoire de Paris-Meudon, CNRS, UPMC, Universit Paris Diderot, 5 Place Jules Janssen, 92190 Meudon, France
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Abstract

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We present the results of detailed study of a set of activities developed on one of three enclosed sectors of solar region during the period of February 07–13, 2012. We found the sequence of certain topological perturbations of whole coronal holes (CHs) and their surroundings associated to the eruption of nearby prominence and subsequent Coronal Mass Ejections (CMEs). Especially, we observe the emergence of small bright points (BPs) and the formation of dimming regions (DRs) close to the filament's channel associated with a pre–evolution of filament/prominence eruption, whereas BPs disappearance and the shrinkage of CH we found associated with the post-eruption evolution of prominence and of CME.

Keywords

coronal holeprominencemagnetic fieldCME
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. 418 - 419
Copyright
Copyright © International Astronomical Union 2013 

References

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