Photometry and spectroscopy of multiple stellar systems, sub-stellar companions around young
and nearby stars,
brown dwarfs and planets. Planet transit search.
IR photometry and optical spectroscopy of T Tauri stars (e.g. TY CrA, V501 Aur),
follow up observations and new classification of T Tauri systems in
Taurus-Auriga region
Close binary stars and Transiting exoplanets (analysis of light and radial velocity curves).
Analysis of the (O-C) diagrams of close/eclipsing binaries and
transiting exoplanets – TTV and ETV.