Initiation of coronal mass ejection event observed on 2010 november 3: Multi-wavelength perspective

Sargam Mulay, Srividya Subramanian, Durgesh Tripathi, Hiroaki Isobe, Lindsay Glesener

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Abstract

One of the major unsolved problems in solar physics is that of coronal mass ejection (CME) initiation. In this paper, we have studied the initiation of a flare-associated CME that occurred on 2010 November 3 using multi-wavelength observations recorded by the Atmospheric Imaging Assembly on board the Solar Dynamics Observatory and the Reuven Ramaty High Energy Solar Spectroscopic Imager. We report an observation of an inflow structure initially in the 304 Å and the 1600 Å images a few seconds later. This inflow structure was detected as one of the legs of the CME. We also observed a non-thermal compact source concurrent and near co-spatial with the brightening and movement of the inflow structure. The appearance of this compact non-thermal source, brightening, and movement of the inflow structure and the subsequent outward movement of the CME structure in the corona led us to conclude that the CME initiation was caused by magnetic reconnection.

Original languageEnglish (US)
Article number78
JournalAstrophysical Journal
Volume794
Issue number1
DOIs
StatePublished - Oct 10 2014

Bibliographical note

Publisher Copyright:
© 2014. The American Astronomical Society. All rights reserved..

Keywords

  • Prominences
  • Sun: UV radiation
  • Sun: atmosphere
  • Sun: corona
  • Sun: coronal mass ejections (CMEs)
  • Sun: filaments
  • Sun: transition region

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