%0 Journal Article
%T A quasi-periodic oscillation in the blazar J1359+4011
%A O. G. King
%A T. Hovatta
%A W. Max-Moerbeck
%A D. L. Meier
%A T. J. Pearson
%A A. C. S. Readhead
%A R. Reeves
%A J. L. Richards
%A M. C. Shepherd
%J Physics
%D 2013
%I arXiv
%R 10.1093/mnrasl/slt125
%X The OVRO 40-m telescope has been monitoring the 15 GHz radio flux density of over 1200 blazars since 2008. The 15 GHz light curve of the flat spectrum radio quasar J1359+4011 shows a strong and persistent quasi-periodic oscillation. The time-scale of the oscillation varies between 120 and 150 days over a $\sim4$ year time span. We interpret this as the active galactic nucleus mass-scaled analog of low-frequency quasi-periodic oscillations from Galactic microquasars, or as evidence of modulation of the accretion flow by thermal instabilites in the "inner" accretion disc.
%U http://arxiv.org/abs/1309.1158v1