3 papers
astro-ph.HE2026
A magnetically-supported disk-corona model for Changing-Look AGN transitions
Marios Kouzis, Agata RóżaÅska, Agata Różańska +5
Changing-Look Active Galactic Nuclei (CLAGN) undergo dramatic spectral and luminosity transitions on timescales of months to a few years -- orders of magnitude shorter than the vis…
astro-ph.GA2025
Changing Look AGN: A study of Optical/UV and the Highly Ionized Fe K X-ray Line Flux Variations Using Photo-Ionization Simulations
Tek P. Adhikari, Santanu Mondal, Zhicheng He +2
Significant variability in broad emission line strengths of active galactic nuclei (AGN) over months to years has been observed, often accompanied by intrinsic continuum changes. S…
astro-ph.HE2025
Markarian 590: The AGN Awakens
Biswaraj Palit, Marzena Åniegowska, Alex Markowitz +3
Changing-Look AGN (CLAGN) Mkn 590 recently underwent a sudden re-ignition, marked by substantial increases in optical/UV and X-ray continuum flux since last couple of years. Swift-…