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: 12384.


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Name▼ Location NCA adherence
Gehan, Charlotte (Junior Member) Portugal Portugal
Gehlot, Bharat Kumar (Junior Member) Netherlands Netherlands
Gehren, Thomas Germany Germany
Gehrz, Robert Douglas United States United States
Geier, Stephan Germany Germany
Geisler, Douglas Paul Chile Chile
Gelderman, Richard United States United States
Geldzahler, Barry J. United States United States
Geller, Aaron M. United States United States
Geller, Margaret Joan United States United States
Gendre, Bruce Australia France
Genel, Shy United States United States
GENG, Lihong China, Nanjing China, Nanjing
Gennaro, Mario United States United States
Genova, Françoise France France
Gentile, Gianfranco Belgium Belgium
Genzel, Reinhard Germany Germany
Georgakarakos, Nikolaos United Arab Emirates United Arab Emirates
Georgantopoulos, Ioannis Greece Greece
George, Elizabeth Marie Germany Germany
George, Martin Australia Australia
Georgiev, Tsvetan Bulgaria Bulgaria
Georgiou, Christos (Junior Member) Netherlands Netherlands
Georgoulis, Manolis K. United States United States
Georgy, Cyril Switzerland Switzerland
Geppert, Ulrich R.M.E. Germany Germany
Geppert, Wolf Dietrich Sweden Sweden
Gerakines, Perry A. United States United States
Gerard, Eric France France
Gerard, Jean-Claude M.C. Belgium Belgium
Gerbaldi, Michèle France France
Gergely, László Árpád Hungary Hungary
Gergely, Tomas E. United States United States
Gerhard, Ortwin Germany Germany
Gerin, Maryvonne France France
Gerlach, Enrico Germany Germany
Germain, Marvin E. United States United States
Geroyannis, Vassilis S. Greece Greece
Gershberg, R. E. Russian Federation Russian Federation
Gervasi, Massimo Italy Italy
Gesicki, Krzysztof Poland Poland
Getino Fernández, Juan Spain Spain
Getling, Alexander V. Russian Federation Russian Federation
Gevorgyan de Mendonca, Yeva (Junior Member) Brazil Brazil
Geyer, Marisa (Junior Member) South Africa South Africa
Gezari, Daniel Ysa United States United States
Gezari, Suvi United States United States
Ghaffari, Zohreh (Junior Member) Spain Spain
Ghanbari, Jamshid Iran, Islamic Rep of Iran, Islamic Rep of
Ghez, Andrea United States United States
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