There are international agreements for Ph.D. co-tutorship and international cooperation between the University of Padova and the following foreign universities and astronomical institutions:

Universidad de La Laguna, La Laguna (Spain)
Université Pierre et Marie Curie (Paris 6), Paris (France)
Université Denis Diderot (Paris 7), Paris (France)
Université Paris sud (Paris 11), Orsay (France)
University of Cambridge, Cambridge (UK)
Universitet Leiden, Leiden (The Netherlands)
Christian-Albrechts-Universitaet Kiel, Kiel (Germany)
Ruprecht-Karls-Universitaet Heidelberg, Heidelberg (Germany)
Observatoire de Paris, Paris (France)
Instituto de Astrofisica de Canarias (IAC), La Laguna (Spain)
Institut d'Astrophysique de Paris (IAP), Paris (France)
Max-Planck Institut fuer Astrophysik (MPA), Garching (Germany)

The following students benefit of a co-tutorship: