... Milcho TSVETKOV Evgeni SEMKOV Katya TSVETKOVA Institute of Astronomy Bulgarian Academy of Sci... more ... Milcho TSVETKOV Evgeni SEMKOV Katya TSVETKOVA Institute of Astronomy Bulgarian Academy of Sciences E-mail: FSDB@thgcict.acad.bg Valery ... Todorova, H., 1994, The IAU Working Croup on Wide-Field Imaging, Newsletter, 6, 21 Kholopov, PN, Samus, NN, Kazarovets ...
We present the Potsdam photographic plate library at the Leibniz Institute for Astrophysics Potsd... more We present the Potsdam photographic plate library at the Leibniz Institute for Astrophysics Potsdam. It includes plate archives, data from plate index catalogues and extracts from astronomical logbooks, as well as digitized plate images and interfaces for accessing all the available information. The plate index catalogues and the digitized images of the Potsdam astronomical photographic plates are prepared according to the standards of the Wide-Field Plate Database and German Astrophysical Virtual Observatory. The high-resolution digitization of the plates (in standardized FITS file format), the low-resolution plate previews (in TIFF and JPEG file format), as well as suitable digitization of the catalogues, logbooks, and relevant scientific research papers (in JPEG and TIFF) are made using commercial flatbed scanners.
This contribution describes the capability of the databases-the Wide-field Plate Database (WFPDB)... more This contribution describes the capability of the databases-the Wide-field Plate Database (WFPDB) and the Flare Stars Database (FSDB), for identification of Gamma-Ray Bursts (GRBs) with their optical counterparts. The results from the search for plates containing fields of small error boxes for 38 GRBs (and thus suitable for analyses of optical flare events which might be identified with GRB) are
We present here the inventory of Potsdam CdC plates stored in the Astrophysical Institute Potsdam... more We present here the inventory of Potsdam CdC plates stored in the Astrophysical Institute Potsdam (AIP). The Potsdam CdC zone ( +32 to +39 degrees) was divided into 1232 fields. The total number of all CdC plates obtained in Potsdam is about 2160. Only 963 plates (45% of all) are now stored in AIP. The first epoch plates had been
The results from five-year work on the Bamberg Observatory plate collection from inventory to dig... more The results from five-year work on the Bamberg Observatory plate collection from inventory to digitization are presented. The project supported by the Alexander von Humboldt Foundation, Deutsche Forschung Gemeinschaft, and Bulgarian Academy of Sciences has begun since 2002. At present the information for about 28 000 plates from the Bamberg Southern and Northern surveys is accessible on-line from WFPDB (http://www.skyarchive.org).
We present new photoelectric (UBV), photographic and visual observations of 22 selected symbiotic... more We present new photoelectric (UBV), photographic and visual observations of 22 selected symbiotic stars. The photoelectric observations were made in 1990-91, the photographic in 1982-91, while the visual observations cover the interval 1973-1991. Some interesting results can be summarized as follows: EG And: Descending branches of the light-curve preceding primary and secondary minima were observed in U. R Aqr: Visual
... Milcho TSVETKOV Evgeni SEMKOV Katya TSVETKOVA Institute of Astronomy Bulgarian Academy of Sci... more ... Milcho TSVETKOV Evgeni SEMKOV Katya TSVETKOVA Institute of Astronomy Bulgarian Academy of Sciences E-mail: FSDB@thgcict.acad.bg Valery ... Todorova, H., 1994, The IAU Working Croup on Wide-Field Imaging, Newsletter, 6, 21 Kholopov, PN, Samus, NN, Kazarovets ...
We present the Potsdam photographic plate library at the Leibniz Institute for Astrophysics Potsd... more We present the Potsdam photographic plate library at the Leibniz Institute for Astrophysics Potsdam. It includes plate archives, data from plate index catalogues and extracts from astronomical logbooks, as well as digitized plate images and interfaces for accessing all the available information. The plate index catalogues and the digitized images of the Potsdam astronomical photographic plates are prepared according to the standards of the Wide-Field Plate Database and German Astrophysical Virtual Observatory. The high-resolution digitization of the plates (in standardized FITS file format), the low-resolution plate previews (in TIFF and JPEG file format), as well as suitable digitization of the catalogues, logbooks, and relevant scientific research papers (in JPEG and TIFF) are made using commercial flatbed scanners.
This contribution describes the capability of the databases-the Wide-field Plate Database (WFPDB)... more This contribution describes the capability of the databases-the Wide-field Plate Database (WFPDB) and the Flare Stars Database (FSDB), for identification of Gamma-Ray Bursts (GRBs) with their optical counterparts. The results from the search for plates containing fields of small error boxes for 38 GRBs (and thus suitable for analyses of optical flare events which might be identified with GRB) are
We present here the inventory of Potsdam CdC plates stored in the Astrophysical Institute Potsdam... more We present here the inventory of Potsdam CdC plates stored in the Astrophysical Institute Potsdam (AIP). The Potsdam CdC zone ( +32 to +39 degrees) was divided into 1232 fields. The total number of all CdC plates obtained in Potsdam is about 2160. Only 963 plates (45% of all) are now stored in AIP. The first epoch plates had been
The results from five-year work on the Bamberg Observatory plate collection from inventory to dig... more The results from five-year work on the Bamberg Observatory plate collection from inventory to digitization are presented. The project supported by the Alexander von Humboldt Foundation, Deutsche Forschung Gemeinschaft, and Bulgarian Academy of Sciences has begun since 2002. At present the information for about 28 000 plates from the Bamberg Southern and Northern surveys is accessible on-line from WFPDB (http://www.skyarchive.org).
We present new photoelectric (UBV), photographic and visual observations of 22 selected symbiotic... more We present new photoelectric (UBV), photographic and visual observations of 22 selected symbiotic stars. The photoelectric observations were made in 1990-91, the photographic in 1982-91, while the visual observations cover the interval 1973-1991. Some interesting results can be summarized as follows: EG And: Descending branches of the light-curve preceding primary and secondary minima were observed in U. R Aqr: Visual
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Papers by Katya Tsvetkova