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Alexander Tomov (1930-2009): A Founder of the Astronomical Photoelectric Photometry in Bulgaria [In Bulgarian]

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Author(s): N. Tomov

Journal: Venets : The Belogradchik Journal for Local History, Cultural Heritage and Folk Studies
ISSN 1314-0426

Volume: 2;
Issue: 1;
Start page: 50;
Date: 2011;
Original page

Keywords: Observatory | Belogradchik | Artificial satellites | Telescopes | Photoelectric photometer | Galaxies | Tomov

ABSTRACT
This paper describes the work of Dr. Alexander Tomov on establishment and equipment of the Astronomical Observatory of Belogradchik. Tomov’s research activity in that observatory is commented as well. The official opening of the observatory took place on July 21st, 1965. During the period 1966-1969 a monitoring program for determining the orbits of artificial satellites was successfully realized. Constructing a new building expanded later observatory. In mid-1969 the observatory was supplied by 60 cm reflector optical system ‘Cassegrain’, produced by Carl Zeiss in Germany; it was the biggest telescope in Bulgaria at that time. In the period 1970-1973 a modern single-channel photoelectric UBV photometer was constructed and put in operation. In 1976 the Belogradchik observatory joined with the Institute of Astronomy of the Bulgarian Academy of Sciences. In the second half of seventies and early eighties hundreds of galaxies were studied.
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