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

• A. Plaat6 · h 29
• J. Vermaseren5 · h 51
• E. Sellentin4 · h 18
• Anna V. Kononova3 · h 18
• Bing Zhang3 · h 9
• B. Ruijl3 · h 21
• C. Straatman3 · h 29
• D. Jack3 · h 10
• E. Bell3 · h 87
• F. E. Bauer3 · h 17
• F. Takes3 · h 8
• Jan-Christoph Goos3 · h 3

• Leiden UniversityNL166 papers
• Max Planck Institute for AstronomyDE21 papers
• Centre National de la Recherche ScientifiqueFR18 papers
• Space Research Organisation NetherlandsNL18 papers
• European Southern ObservatoryCL17 papers
• University College LondonGB17 papers
• Université Paris CitéFR15 papers
• University of GroningenNL13 papers
• Instituto de Astrofísica de CanariasES12 papers
• Center for Astrophysics Harvard & SmithsonianUS11 papers
• Royal ObservatoryGB11 papers
• University of AmsterdamNL11 papers