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Structure and Dynamics of an Eruptive Prominence on the Quiet Sun

Published online by Cambridge University Press:  06 January 2014

Yingna Su ,
Katharine K. Reeves ,
Patrick McCauley ,
Adriaan A. van Ballegooijen  and
Edward E. DeLuca
Yingna Su
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden street, Cambridge, MA 02138, USA email: ysu@cfa.harvard.edu
Katharine K. Reeves
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden street, Cambridge, MA 02138, USA email: ysu@cfa.harvard.edu
Patrick McCauley
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden street, Cambridge, MA 02138, USA email: ysu@cfa.harvard.edu
Adriaan A. van Ballegooijen
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden street, Cambridge, MA 02138, USA email: ysu@cfa.harvard.edu
Edward E. DeLuca
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden street, Cambridge, MA 02138, USA email: ysu@cfa.harvard.edu
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Abstract

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We present preliminary results on the investigation of one polar crown prominence that erupted on 2012 March 11. This prominence is viewed at the east limb by SDO/AIA and displays a simple vertical-thread structure. A bright U-shape (double horn-like) structure is observed surrounding the upper portion of the prominence before the eruption and becomes more prominent during the eruption. When viewed on the disk, STEREO_B shows that this prominence is composed of series of vertical threads and displays a loop-like structure during the eruption. We focus on the magnetic support of the prominence by studying the structure and dynamics before and during the eruption using observations from SDO and STEREO. We will also present preliminary DEM analysis of the cavity surrounding the prominence.

Keywords

Sun: coronal mass ejections (CMEs)Sun: filament eruptionsSun: magnetic fields
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. 460 - 461
Copyright
Copyright © International Astronomical Union 2013 

References

Berger, T. 2012, Second ATST-EAST Meeting: Magnetic Fields from the Photosphere to the Corona., 463, 147Google Scholar
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van Ballegooijen, A. A. & Cranmer, S. R. 2010, ApJ, 711, 164CrossRefGoogle Scholar