Individual and Junior Members

Professional scientists whose research is directly relevant to some branch of astronomy are eligible to apply as Individual Members. Individual Members are, normally, admitted by the Executive Committee on the proposal of a National Member.

Junior scientists who have completed their PhD studies between 2015 and 2020 and who are in the initial phase of the career of a professional researcher in some branch of astronomy or a related field may be admitted to the Union by the Executive Committee as Junior Members, for a period not exceeding 6 years.

Individual and Junior Members listed in the IAU Directory have a valid, public email, and are affiliated to at least one Division. They are labeled as "Active Members". For corrections and updates, please contact Any members remaining Inactive for more than 3 years will be removed from the IAU lists.

Additionally, while only Active Members are listed in the IAU Directory, you may still search for Active, Inactive or Deceased Members in the search field to your right.

For gender statistics click here.

Total number of IAU Individual and Junior members: 12428 (of which 1084 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12099.


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Name▼ Location NCA adherence
Gross, Richard United States United States
Grossman, Lawrence United States United States
Grosso, Monica Gladys Argentina Argentina
Grosso, Nicolas France France
Grothkopf, Uta Germany Germany
Groussin, Olivier France France
Groves, Brent Australia Australia
Grube, Jeffrey United Kingdom United Kingdom
Grün, Eberhard Germany Germany
Grumer, Jon (Junior Member) Sweden Sweden
Grundahl, Frank Denmark Denmark
Grundstrom, Erika United States United States
Grundy, William M. United States United States
Gruppioni, Carlotta Italy Italy
Gry, Cecile Claude Marie France France
Grygar, Jiri Czech Republic Czech Republic
Grzędzielski, Stanisław Pr. Poland Poland
GU, Minfeng China, Nanjing China, Nanjing
GU, Qiusheng China, Nanjing China, Nanjing
GU, Shenghong China, Nanjing China, Nanjing
GU, Wei-Min China, Nanjing China, Nanjing
GU, Xuedong China, Nanjing China, Nanjing
Guainazzi, Matteo Netherlands Netherlands
Gualtieri, Leonardo Italy Italy
Gubchenko, Vladimir M. Russian Federation Russian Federation
Gudiksen, Boris V. Norway Norway
Gudmundsson, Einar H. Iceland Iceland
Gudmundsson, Jon E Sweden Sweden
Güdel, Manuel Austria Austria
Guelin, Michel France France
Guenther, David Bruce Canada Canada
Guenther, Eike Germany Germany
Guerrero, Gianantonio Italy Italy
Guerrero, Martin A Spain Spain
Guessoum, Nidhal United Arab Emirates United Arab Emirates
Guesten, Rolf Germany Germany
Guetter, Harry Hendrik United States United States
Guglielmino, Salvatore Luigi Italy Italy
Guhathakurta, Madhulika United States United States
Guichard, Jose Mexico Mexico
Guiderdoni, Bruno France France
Guidetti, Daria Italy Italy
Guidi, Gianluca M Italy Italy
Guidoni, Silvina E. United States United States
Guilera, Octavio Miguel Argentina Argentina
Guillot, Tristan France France
Guilloteau, Stéphane France France
Guinan, Edward F. United States United States
Gulisano, Adriana Maria Argentina Argentina
Guliyev, Ayyub Azerbaijan, Republic of Azerbaijan, Republic of
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