Exo-planets, stars and galaxies : observational advances

Stellar astrophysics at very high angular and spectral resolution : from G12T to CHARA/VEGA

Four evolutionary paths for telescopes, interferometers and hypertelescopes

Novae, symbiotic stars and planetary nebulae observed with high-angle resolution techniques

Four evolutionary paths for telescopes, interferometers and hypertelescopes (continued)

Building a ground-based telescope

Detecting exo-planets by direct imaging from the ground : current results and future projects

Radiation pressure and optical cohesive forces : application to Laser Trapped Mirror

Building a ground-based telescope (continued)

Hypertelescope concept in space

1-telescope interferometry : tracking low-mass objects

Exo-planets, stars and galaxies : observational advances

Hypertelescope concept in space (continued)