Spectroscopic Study of H-Beta Variability in the Changing-Look AGN Mrk-590

Active Galactic Nuclei are active supermassive blackholes, which are extremely powerful sources of radiation, at the centre of the host galaxy. Classification of AGNs have proved to be helpful in identifying the outliers among them, especially those AGNs that tend to undergo significant fluctuations in their features. One such classification proposed the changing-look phenomenon. Changing-Look Active Galactic Nuclei (CLAGN) are a rare class of AGN that exhibit sudden and dramatic changes in their spectral features, such as the appearance or disappearance of broad emission lines, over a time period rainging from a couple of years to decades. Changing-look phenomenon is an elusive and novel event in the field of AGNs, with oldest observations within the last 60 years. These transformations challenge traditional models of AGN, making CLAGN a key target for understanding the interplay between accretion physics, black hole environments, and obscuration mechanisms. Mrk 590, a well-studied CLAGN, has undergone significant changes in its optical emission lines and continuum luminosity, making it an ideal target for investigating the physical mechanisms driving CLAGN phenomena. We present a multi-epoch spectroscopic analysis of Mrk 590, with a focus on the variability of the H-beta emission line profile and its relationship to the central accretion processes. Using recent data acquired from Himalayan Chandra Telescope over the timespan of 2022-2023, we track the recent evolution of the H-beta line intensity, width, and shape in Mrk 590. This study enhances our understanding of the dynamic behavior of AGN and the mechanisms behind changing-look phenomena.