Abstract Details

Name: Ramesh Chandra
Affiliation: Kumaun University, Nainital
Conference ID: ASI2025_217
Title: Filament Eruption and EUV Loop Dynamics
Authors: Ramesh Chandra(1) , Pascal Démoulin(2), Pooja Devi(1) , Brigitte Schmieder(2,3), and Reetika Joshi(4)
Authors Affiliation: 1Department of Physics, DSB Campus, Kumaun University, Nainital - 263001, India 2LESIA, Observatoire de Paris, Université PSL, CNRS, F-92195 Meudon, France 3Centre for Mathematical Plasma Astrophysics, KU Leuven, B-3001 Leuven, Belgium 4Institute of Theoretical Astrophysics, University of Oslo, Norway
Mode of Presentation: Poster
Abstract Category: Sun, Solar System, Exoplanets, and Astrobiology
Abstract: Here, we present the observations of filament eruption and the nearby loop dynamics of of 16 March 2013 in active region (AR) NOAA 11690. The event was observed by the Solar Dynamics Observatory and Solar Terrestrial Relations Observatory. The erupting filament height is fitted with the sum of a linear and exponential function. These two phases evidence the tether-cutting reconnection as well as magnetic instability. Close to the erupting filament, a stable filament remains in the core of the AR. The EUV loops, located above the nearly joining ends of the two filaments, first contract in phase, then expand and reach a new stable configuration. These observations cannot be explained by the models that interpreted contraction within a bipolar magnetic configuration. New simulations are required to broaden the complexity of the configurations studied.