298 citations · 1.5k across the 41 of their papers we have counts for
1 paper · 2 filters
S. Vaughan, P. Uttley, A. G. Markowitz +5
There have recently been several reports of apparently periodic variations in the light curves of quasars, e.g. PG 1302-102 by Graham et al. (2015a). Any quasar showing periodic os…