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The Bulgarian physicist Georgi Manev (1884 - 1965) is a founder of the department of Theoretical Physics in Sofia University. His ideas found a new application in the region of celestial mechanics (so called Manev-type field ) last ten years. We present some biographical data and documents concerning his life and scientific activity. A future confe...
The Virtual Observatory (VO) project will provide a global network platform to support modern astronomical research with fast and easy access to distributed archives via a unified interface and data model. Our aim is to include the historical photographic plates of the Potsdam observatory into this database in the framework of GAVO, the German cont...
Photographic observations of the region near gamma Cyg were carried out on Schmidt telescopes. 15 new flare stars were detected. The distribution of these stars was studied. The diagrams HR and (U-B, B-V) for them were constructed. The total number of flare stars in this region was estimated to be more than 100. UBV photometry of the Fuor V1515 Cyg...