Probing the origin of the two-component structure of broad line region by reverberation mapping of an extremely variable quasar

Shumpei Nagoshi, Fumihide Iwamuro, Satoshi Yamada +5

The physical origins of quasar components, such as the broad line region (BLR) and dust torus, remain under debate. To gain insights into them, we focused on Changing-State Quasars…