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Giant Meterwave Radio Telescope observations of an M2.8 flare: Insights into the initiation of a flare–coronal mass ejection event

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Abstract

We present the first observations of a solar flare with the GMRT. An M2.8 flare observed at 1060 MHz with the GMRT on 17 November 2001 was associated with a prominence eruption observed at 17 GHz by the Nobeyama radioheliograph and the initiation of a fast partial halo CME observed with the LASCO C2 coronagraph. Towards the start of the eruption, we find evidence for reconnection above the prominence. Subsequently, we find evidence for rapid growth of a vertical current sheet below the erupting arcade, which is accompanied by the flare and prominence eruption.

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Authors and Affiliations

  1. Inter-University Centre for Astronomy and Astrophysics, P.O. Bag 4, Ganeshkhind

    Prasad Subramanian

  2. National Centre for Radio Astrophysics, TIFR, P.O. Bag 3, Ganeshkhind, Pune, 41007, India

    S. Ananthakrishnan

  3. Physical Research Laboratory, Astronomy and Astrophysics Division, Navrangpura

    P. Janardhan

  4. Department of Astronomy, University of Maryland, College Park, MD, 20742, U.S.A

    M.R. Kundu, S.M. White & V.I. Garaimov

Authors
  1. Prasad Subramanian
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  2. S. Ananthakrishnan
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  3. P. Janardhan
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  4. M.R. Kundu
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  5. S.M. White
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  6. V.I. Garaimov
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Subramanian, P., Ananthakrishnan, S., Janardhan, P. et al. Giant Meterwave Radio Telescope observations of an M2.8 flare: Insights into the initiation of a flare–coronal mass ejection event. Solar Physics 218, 247–259 (2003). https://doi.org/10.1023/B:SOLA.0000013048.97229.e4

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  • DOI: https://doi.org/10.1023/B:SOLA.0000013048.97229.e4

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