Researchers reveal changes in geometry and kinematics of the broad-line region in active galactic nuclei

Dr. Feng Haicheng from the Yunnan Observatories of the Chinese Academy of Sciences, along with his collaborators, has made progress in studying the geometrical and kinematical evolution of the broad-line region (BLR) in active galactic nuclei (AGN). The study was published in The Astrophysical Journal.