Flare-associated type III radio bursts and dynamics of the EUV jet from SDO/AIA and RHESSI observations

Naihwa Chen, Wing Huen Ip, Davina Innes

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19 Scopus citations

Abstract

We present a detailed description of the interrelation between the Type III radio bursts and energetic phenomena associated with the flare activities in active region AR11158 at 07:58 UT on 2011 February 15. The timing of the Type III radio burst measured by the radio wave experiment on Wind/WAVE and an array of ground-based radio telescopes coincided with an extreme-ultraviolet (EUV) jet and hard X-ray (HXR) emission observed by SDO/AIA and RHESSI, respectively. There is clear evidence that the EUV jet shares the same source region as the HXR emission. The temperature of the jet, as determined by multiwavelength measurements by Atmospheric Imaging Assembly, suggests that Type III emission is associated with hot, 7 MK, plasma at the jet's footpoint.

Original languageEnglish
Article number96
JournalAstrophysical Journal
Volume769
Issue number2
DOIs
StatePublished - 1 Jun 2013

Keywords

  • Sun: UV radiation
  • Sun: X-rays, gamma rays
  • Sun: flares
  • Sun: radio radiation

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