Explores the classification and statistics of AGN, black holes, unified AGN model, variability, megamasers, orbital motion measurement, and time-delay cosmography.
Covers the analysis of gravitational lensing in galaxy clusters, focusing on the mass distribution and precision achieved in the mass model of the galaxy cluster MACSJ0416.1-2403.
Explores the historical discovery and mechanisms behind stellar pulsations, emphasizing their classification and significance in understanding stellar structure.
Explores dispersion relations, system responses to perturbations, and the stability of rotating systems, focusing on the origin of spiral structures in galaxies.