- Speckle interferometry methods
- Interferometric study of binary and
multiple stars:
- fundamental
properties of the nearby late-type dwarf binaries
- massive binaries in young stellar clusters
- High-resolution spectroscopy and the spectral energy distribution study of selected binaries
- High-resolution imaging of young stars:
- deeply embedded
young stars in the infrared
- outflows in massive protostellar objects
- Multi-wavelength bispectrum speckle interferometry of
evolved stars:
-
structure of the atmospheres of Mira variables, comparison with stellar models
- gas/dust envelopes of proto-planetary nebulae