Galaxies, Etoiles, Physique, Instrumentation (GEPI) ; CNRS - INSU - Observatoire de Paris - Université Paris Diderot - Paris 7 (UP7)
Department of Astronomy and Astronomical Observatory, Odessa National University ; Odessa National University - Isaac Newton Institute of Chile, Odessa Branch
Zentrum fuer Astronomie der Universitate Heidelberg, Landessternwarte (ZAH) ; Universitaet Heidelberg