Abstract Details

Name: SAFNA BANU K
Affiliation: RESEARCH SCHOLAR, NATIONAL INSTITUTE OF TECHNOLOGY CALICUT
Conference ID: ASI2021_167
Title : Observations of Flare induced Fast Propagating Waves and Coronal Loop Oscillations
Authors and Co-Authors : Safna Banu. K and R. A Maurya Department of Physics, National Institute of Technology Calicut-673601
Abstract Type : Poster
Abstract Category : Sun and the Solar System
Abstract : Coronal loops are closed magnetic structures embedded in the hot coronal plasma. Using high-resolution observations provided by the Atmospheric Imaging Assembly (AIA) onboard Solar Dynamic Observatory (SDO), we investigated the flare induced oscillations in coronal loops and fast propagating waves during an X-class flare observed on 10th September 2017. We found that a pre-flare triggered the main flare. AIA observations showed that the reconfiguration of magnetic field lines started after the initiation of the pre-flare. After the burst, we found fast propagating waves and loop oscillations. The time series analysis across the coronal loops shows oscillations with periods of T = 5−6 minutes and a damping time of τ = 25−28 minutes. The loop length is measured as L = 193.06 Mm. We found fast propagating EUV waves with a speed of 1072 − 1287Km/s. Detailed results will be presented in the paper.