Assoc. Prof. Tsvetan Grigorov Tsvetkov, PhD
Address: V56 Faculty of Physics
5 James Bourchier Blvd.
Physics of non-stationary stars
Pulsating stars (Delta Scuti, Classical Cepheids, etc.)
Non-stationary stars (Supernovae, Cataclysmic variable stars, Planetary nebulae, The Sun, Chemical peculiar stars,
Stars with magnetic activity, Variable stars before Main Sequence)
1989 - present Assoc. Prof. Department of Astronomy, Faculty of Physics, University of Sofia "St. Kliment Ohridski"
1979 - 1989 Senior Assistant Professor, Department of Astronomy, University of Sofia "St. Kl. Ohridski"
1970 - 1979 Assistant Professor, Department of Astronomy, University of Sofia "St. Kl. Ohridski"
1973 - 1976 PhD in Astronomy, Astronomical Council, Russian academy of sciences
1964 - 1969 MSc - Astronomy, Department of Astronomy, University of Sofia "St. Kliment Ohridski"
Member of the International Astronomical Union (IAU)
Member of the European Astronomical Society (EAS)
Department of Astronomy, Faculty of Physics, 5 "James Bourchier" Blvd., 1164 Sofia, Bulgaria