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: 12754 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12383.


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Name▼ Location NCA adherence
Groenewald, Danièl Natasha (Junior Member) South Africa South Africa
Groenewegen, Martin Belgium Belgium
Grogin, Norman A. United States United States
Groh, Jose H. Ireland Ireland
Gromadzki, Mariusz Poland Poland
Gronchi, Giovanni Federico Italy Italy
Gronke, Max (Junior Member) United States Norway
Gronkowski, Piotr M. Poland Poland
Gronwall, Caryl A. United States United States
Groot, Paul J. South Africa Netherlands
Groote, Detlef Germany Germany
Grosboel, Preben Johnson Germany Germany
Groshev, Dmitry (Junior Member) Russian Federation Russian Federation
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
Gruen, Daniel Germany Germany
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 Iceland Iceland
Güdel, Manuel Austria Austria
Guelin, Michel France France
Guennoun, Meryem (Junior Member) Morocco Morocco
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
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