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A digital method to search for long-term variations in stellar brightness

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A quick digital method based on the PARSEC measuring complex which was developed in the Main Astronomical Observatory (Ukraine) is proposed to search for long-term variability in the brightness of red dwarfs. The capability of this scanning complex was tested earlier when it was used to digitize photographic plates successfully in the process of creating the astrometric catalogue. Application of this complex and special software to compute digitized images and to obtain photometrical data is discussed briefly.

Keywords: Photometry of active late-type stars; plate archives

Document Type: Research Article


Affiliations: 1: Main Astronomical Observatory National Academy of Science Acad. Zabolotnogo Str. 27 Kyiv 03680 Ukraine 2: International Centre for Astronomical and Medico-Ecological Research Russian Academy of Science Terscol 361605 Russia 3: Crimean Astrophysical Observatory Nauchny 98409 Crimea Ukraine

Publication date: August 1, 2003

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