Research topics

• galactic structure
• stellar populations : thin disc, thick disc
• stars :
• observations
• fundamental parameters
• velocity distribution
• metallicity distribution
• abundances
• astrometry

• reference stars to calibrate the radial velocities
• reference stars to calibrate the parametrization algorithms
• coordination of the ground based observations for Gaia
• member of the Gaia Science Team
  

Catalogues, tools and libraries for stellar spectroscopy