CCD photometry of blazars at Abastumani Observatory

Details CCD photometry of blazars at Abastumani Observatory CCD photometry of blazars at Abastumani Observatory

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004nuphs.132..197k&link_type=abstract

Nuclear Physics B Proceedings Supplements, Volume 132, p. 197-200.

Physics

Nuclear Physics

1

Scientific paper

We give a brief summary of the ongoing Abastumani Active Galactic Nuclei Monitoring Program, started in May of 1997. More than 75000 frames were obtained during more than 900 nights of observation for about 50 target objects, among them X-ray, γ-ray and optical blazars. All observations were done in the BVRI bands using the ST-6 CCD based Photometer attached to the Newtonian focus of the 70-cm meniscus telescope.
Image reductions have been done using DaophotII. The lightcurves illustrating the activity of selected blazars in R band, namely AO 0235+164 and S4 0954+658 are presented. Most of the objects under study show light variations in optical bands over one magnitude. The largest variation was observed for AO 0235+116 - 4m.0 in R band.

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