Correlated X-ray and Optical Variability in Mkn 509

Details Correlated X-ray and Optical Variability in Mkn 509 Correlated X-ray and Optical Variability in Mkn 509

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.4615m&link_type=abstract

American Astronomical Society, AAS Meeting #211, #46.15; Bulletin of the American Astronomical Society, Vol. 39, p.803

Astronomy and Astrophysics

Astronomy

Scientific paper

We present results of a 3 year monitoring campaign of the Seyfert 1 galaxy Markarian 509, using X-ray data from the Rossi X-ray Timing Explorer and optical data taken by the SMARTS consortium. Both light curves show significant variations, and are strongly correlated with the optical flux leading the X-ray flux by 15 days. The X-ray power spectrum shows a steep high-frequency slope of -2.0, breaking to a slope of -1.0 at at timescale of 34 days. The lag from optical to X-ray emission is most likely caused by variations in the accretion disk propagating inward.

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