Jean Surdej

Full Professor at ULg and honorary F.R.S.-FNRS Research Director

Department of Astrophysics, Geophysics & Oceanography
Institute of Astrophysics and Geophysics, Liège University
Allée du Six Août, 19c, Bldg. B5c
4000 Liège (Belgium)
Tel: +32-4-366.97.83
Email: jsurdej at



Jean Surdej is the head of the EASO (Extragalactic Astrophysics and Space Observations) group ( and co-promoter of the ARC 2013 (Action de recherches concertées) entitled “Imaging extrasolar planets in the mid-infrared with Annular Groove Phase Mask coronagraphs”. His main research activities have dealt with radiative transfer in expanding atmospheres, light curve inversion of asteroids, gravitational lensing and the 4m International Liquid Mirror Telescope project. Jean Surdej is also teaching at the University of Liège bachelor students in mathematics and physics, and master students (aero and space science, see