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Session 36 - Active Galactic Nuclei.
Display session, Tuesday, June 09
Atlas Ballroom,
We present preliminary differential CCD photometric observations of the BL Lac object Markarian 501. This work is part of a larger project recently initiated at the College to provide long-term optical monitoring of several bright active galaxies with the hope of illucidating the nature of both interday and longer time scale variability in these sources. Markarian 501 is a TeV gamma-ray source, and there is interest in obtaining optical data coincident with subsequent bursts. With this in mind, we began our monitoring program with this source. We will show the R and I band data that we have obtained from 1996.5 to the present, and we will compare our data to other optical monitoring efforts of Markarian 501.
