CCD photometry of blazars at abastumani: Progress report

Details CCD photometry of blazars at abastumani: Progress report CCD photometry of blazars at abastumani: Progress report

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..587..333k&link_type=abstract

GAMMA 2001: Gamma-Ray Astrophysics 2001. AIP Conference Proceedings, Volume 587, pp. 333-337 (2001).

Astronomy and Astrophysics

Astrophysics

4

Active And Peculiar Galaxies And Related Systems, Photography And Photometry, Photometric, Polarimetric, And Spectroscopic Instrumentation, Image Processing, Charge-Coupled Devices, Image Detectors, And Ir Detector Arrays

Scientific paper

We give a brief summary of the ongoing Abastumani Blazar Monitoring Program started in the May of 1997. More than 45000 frames are obtained during 507 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 ST-6 CCD based Photometer attached to the Newtonian focus of 70-cm meniscus telescope. Image reductions have been done using different software packages of image reduction systems such as IRAF, MIDAS and STARLINK. Most objects under study show light variations in optical band over one magnitude. Largest one was observed for AO 0235+116-4.0 mag in R band. .

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