Study of the Particle Acceleration and Heating in a Weak Solar Flare using JVLA

Rohit Sharma, Marina Battaglia, Yingjie Luo, Bin Chen, Sijie Yu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Solar flares are sudden and massive releases of magnetic energy in the corona. As a consequence, particles are efficiently accelerated to high energies and plasma is heated up to tens of millions K [1]. However, this phenomenon is dynamically and morphologically complex. A characteristic of this complexity is the creation of multiple acceleration sites due to the magnetic field reconfiguration. During the flare, the energetic electrons propagating in the loops emits in high-frequency radio wavelengths via gyrosyntrochton emission mechanism [2]. Some class of energetic particles may undergo plasma instabilities producing intense coherent radio emission [3]. Accelerated electrons and hot plasma also produce X-ray bremsstrahlung. The heated plasma filling the magnetic loops show up as bright emissions in various extreme ultra-violet (EUV) wavelengths. This entire flare process shows complex evolution at fine spatial, spectral and temporal scales. Therefore, a more comprehensive understanding of solar flares requires multi-wavelength analysis with observations that provide high spatial resolution coupled with high frequency and time resolution.

Original languageEnglish (US)
Title of host publication2019 URSI Asia-Pacific Radio Science Conference, AP-RASC 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9789082598759
DOIs
StatePublished - Mar 2019
Event2019 URSI Asia-Pacific Radio Science Conference, AP-RASC 2019 - New Delhi, India
Duration: Mar 9 2019Mar 15 2019

Publication series

Name2019 URSI Asia-Pacific Radio Science Conference, AP-RASC 2019

Conference

Conference2019 URSI Asia-Pacific Radio Science Conference, AP-RASC 2019
Country/TerritoryIndia
CityNew Delhi
Period3/9/193/15/19

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Instrumentation

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