Now you see it, now you don't: the disappearing central engine of the quasar J1011+5442DOI: info:10.1093/mnras/stv2385v. 4551691–1701
Runnoe, Jessie C., Cales, Sabrina, Ruan, John J., Eracleous, Michael, Anderson, Scott F., Shen, Yue, Green, Paul J., Morganson, Eric, LaMassa, Stephanie, Greene, Jenny E., Dwelly, Tom, Schneider, Donald P., Merloni, Andrea, Georgakakis, Antonis, and Roman-Lopes, A. 2016. "Now you see it, now you don't: the disappearing central engine of the quasar J1011+5442." Monthly Notices of the Royal Astronomical Society, 455 1691–1701. https://doi.org/10.1093/mnras/stv2385.