67 citations · 76 across the 2 of their papers we have counts for
2 papers
astro-ph.GA2022★ 9 cited
Finding of a population of active galactic nuclei showing a significant luminosity decline in the past yrs
J. Pflugradt, K. Ichikawa, M. Akiyama +4
Recent observations have revealed an interesting active galactic nuclei (AGN) subclass that shows strong activity at large scales ( kpc) but weaker at small scales ( pc…
astro-ph.GA2014★ 67 cited
The Discovery of Timescale-Dependent Color Variability of Quasars
Yu-Han Sun, Jun-Xian Wang, Xiao-Yang Chen +1
Quasars are variable on timescales from days to years in UV/optical, and generally appear bluer while they brighten. The physics behind the variations in fluxes and colors remains…