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2 results

  • Different Stages of Evolution of Prominence and the Associated CMEs

  • Lela Taliashvili, Zadig Mouradian, Heidy Gutiérrez
  • Journal:
    Proceedings of the International Astronomical Union / Volume 8 / Issue S300 / June 2013
    Published online by Cambridge University Press:
    06 January 2014, pp. 497-499
    Print publication:
    June 2013
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  • We study the different evolutional stages of a large quiescent prominence, mainly considering its dynamic/thermal instabilities occurred close from the boundary of coronal hole (CH). We identify the critical conditions, such as the minimum distance between the CH's boundary and prominence channel and the emergence of a new magnetic flux linked to the prominence instability and its general evolution in connection to CH. Our observations indicate peculiar filament activations prior to its thermal/dynamic instabilities, suggesting the connection of nearby CH with the general evolution of prominence and vice versa. Additionally, we analyze each evolutional stage of prominence and the associated Coronal Mass Ejections (CMEs).

  • The Formation and Evolution of a Ring-filament Associated with Newly-emerging Flux

  • Suli Ma, Yunchun Jiang, Huadong Chen
  • Journal:
    Proceedings of the International Astronomical Union / Volume 2 / Issue S233 / March 2006
    Published online by Cambridge University Press:
    01 November 2006, pp. 411-412
    Print publication:
    March 2006
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  • Using the data from BBSO, YNAO and SOHO/MDI we studied the formation and evolution of a ring-filament which was located in NOAA AR09470 from May 21 to 24, 2001. We found that: (1) the ring-filament's formation was well associated with newly-emerging flux. (2) all the eruptions of the filament happened during the decay of the emerging bipoles.