Institut de Recherche en Astrophysique et Planétologie
The Institut de Recherche en Astrophysique et Planétologie (IRAP), formerly the Centre d'Etude Spatiale des Rayonnements (CESR), is a French laboratory of space astrophysics. It is located in Toulouse. The center's main areas of investigation are: space plasmas, planetology, the high energy universe, and the cold universe.
The center is jointly operated by CNRS and Toulouse's Paul Sabatier University, and was opened on 1 January 2011.