Optical Observations of Seyfert galaxies.

Details Optical Observations of Seyfert galaxies. Optical Observations of Seyfert galaxies.

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001hell.confe..95p&link_type=abstract

"5th Hellenic Astronomical Conference, held 20-22 September, 2001 in Crete, Greece. Online at http://www.astro.auth.gr/elaset/he

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the results from monitoring observations of seven Seyfert galaxies in May 2001 from Skinakas Observatory. The objects were observed in the U,B,V and I bands. Our main aim is to determine the basic variability characteristics of the sources (i.e. variability amplitude, auto-covariance functions) and investigate possible differences between the sources and the dependence of the variability charactersitics on wavelength. We also investigate the cross-links between the observed variations at different wavebands using cros-correlation analysis techniques. We discuss the implications of our results on the various mechanisms for the origin of optical variability in Seyferts galaxies.

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