Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

• A. Frasca2 profiles92 · h 38
• Antonino Francesco Lanza87 · h 44
• A. Bonanno2 profiles83 · h 41
• C. Trigilio71 · h 36
• G. Umana60 · h 31
• P. Leto60 · h 34
• G. Catanzaro58 · h 27
• K. Biazzo2 profiles57 · h 39
• F. Bufano2 profiles49 · h 55
• N. Panagia2 profiles49 · h 71
• S. Messina48 · h 41
• C. Buemi44 · h 29

• National Institute for AstrophysicsIT642 papers
• Osservatorio Astronomico di PadovaIT505 papers
• Centre National de la Recherche ScientifiqueFR493 papers
• Instituto de Astrofísica de CanariasES338 papers
• University of PaduaIT326 papers
• Universidad de La LagunaES298 papers
• European Southern ObservatoryCL284 papers
• Astronomical Observatory of RomeIT283 papers
• University of GenevaCH273 papers
• Osservatorio Astrofisico di TorinoIT270 papers
• University of CataniaIT261 papers
• Astronomical Observatory of CapodimonteIT258 papers