Multi-wavelength Study of Energetic Processes during Solar Flares occurrence

TL;DR

This study analyzes multi-wavelength data of two solar flares to understand the physical processes in different atmospheric layers, revealing their association with sunspots and magnetic fields.

Contribution

It provides a comprehensive multi-wavelength analysis of two solar flares at different solar disk locations, highlighting the layered atmospheric responses.

Findings

Flares occur near sunspots with strong magnetic fields.

Different wavelengths reveal distinct atmospheric layers involved.

Flare characteristics vary with disk position.

Abstract

This paper is an attempt to understand the physical processes occurring in different layers of solar atmosphere during a solar flare. For a complete understanding of the flare we must analyze multi-wavelength datasets, as emission at different wavelength originates from different layers of the solar atmosphere. Also, flares are transient and localized events observed to occur at all longitudes. With these considerations, we have carried out multi-wavelength analysis of two representative flare events. One event occurred close to the centre of the solar disk and other occurred close to the limb. In the former case, we examine the emission from the lower layers of the solar atmosphere. Therefore the chromospheres, transition region and also the photospheric magneto-gram can be analyzed. On the other hand, in near-limb event, coronal features can be clearly studied. In this paper, the first event studied is the M 1.1 class flare from the active region NOAA 10649 located at S10E14 and the second event is the M 1.4 class flare from the active region NOAA 10713 located at S12W90. In both cases, we have observed the excellent multi-wavelength data sets. The observations from multi-instrumental data clearly shows that flares occur in the vicinity of sunspots. These are regions of strong magnetic field with mixed polarity.