3 papers
astro-ph.GA2026
Unique photometric variability in SDSS J134628.62+173659.5: clues for moving dust clouds as physical origin of changing-look AGN
Zhang XueGuang
The scenario of variations in accreting process around central black hole has been widely accepted as the preferred physical origin of changing-look active galactic nuclei (CLAGN),…
astro-ph.GA2026
Clues for the accretion regulated dust torus in the changing-look AGN SDSS J101152.98+544206.4
Zhang XueGuang
Dust torus plays the key role in determining active galactic nuclei (AGN) observational appearance. Here, the scenario of accretion regulated central dust torus is tested for the f…
astro-ph.GA2025
No apparent forbidden/permitted narrow emission lines in the broad line quasar SDSS J1251+0613
Zhang XueGuang
Strong both broad and narrow emission lines from central broad emission line regions (BLRs) and narrow emission line regions (NLRs) are fundamental spectroscopic characteristics of…