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VIRTUAL OBSERVATORY: "Plate Content Digitization, Archive Mining and Image Sequence Processing"
April 27-30, 2005
Auspices of COST Actoin 283: "Computational and information infrastructure in the Astronomical DataGrid"
Sofia, Bulgaria

Organizers
Milcho Tsvetkov, Bulgarian Academy of Sciences, Space Research Institute, and Valeri Golev, Sofia University, Department of Astronomy

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Photometric study of the FU Orionis object BBW 76 from the Bamberg Observatory Southern Sky Survey
by
Ana Borisova
Institute of Astronomy, Bulgarian Academy of Sciences, 72 Tsarigradsko Shosse Blvd. Sofia 1784, Bulgaria
Coauthors: Milcho K. Tsvetkov and Katya P. Tsvetkova

The Bamberg Observatory Southern Sky Survey provided 95 photographic plates with the FU Orionis object BBW 76, clearly detectable in the time interval 1963-1976. We perform aperture photometry of BBW 76 from the scanned with the Epson Expression 1640 XL flatbed scanner 2x2 degrees area near target star. For each plate a transformation of plate magnitude to the GSC 2.2 magnitudes in B photographic band was found out for selected reference stars, and used for deriving B magnitudes of BBW 76. The analysis of the photometric behaviour of BBW 76 is presented.

Date received: March 24, 2005

Copyright © 2005 by the author(s). The author(s) of this document and the organizers of the conference have granted their consent to include this abstract in Atlas Conferences Inc. Document # capb-54.