Observations of an Eruptive Solar Flare in the Extended EUV Solar Corona

  • Seaton D
  • Darnel J
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Abstract

We present observations of a powerful solar eruption, accompanied by an X8.2 solar flare, from NOAA Active Region 12673 on 2017 September 10 by the Solar Ultraviolet Imager (SUVI) on the GOES-16 spacecraft. SUVI is noteworthy for its relatively large field of view, which allows it to image solar phenomena to heights approaching 2 solar radii. These observations include the detection of an apparent current sheet associated with magnetic reconnection in the wake of the eruption, and evidence of an extreme-ultraviolet wave at some of the largest heights ever reported. We discuss the acceleration of the nascent coronal mass ejection to approximately 2000 km s −1 at about 1.5 solar radii. We compare these observations with models of eruptions and eruption-related phenomena. We also describe the SUVI data and discuss how the scientific community can access SUVI observations of the event.

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Seaton, D. B., & Darnel, J. M. (2018). Observations of an Eruptive Solar Flare in the Extended EUV Solar Corona. The Astrophysical Journal Letters, 852(1), L9. https://doi.org/10.3847/2041-8213/aaa28e

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