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 10 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.

Total number of IAU Individual and Junior members: 13563 (of which 533 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11068.


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Name▼ Location NCA adherence
Georgantopoulos, Ioannis Greece Greece
George, Elizabeth Marie Germany Germany
George, Martin Australia Australia
Georgiev, Tsvetan Bulgaria Bulgaria
Georgoulis, Manolis K. Greece Greece
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, Tomas E. United States United States
Gerhard, Ortwin Germany Germany
Gerin, Maryvonne France France
Germain, Marvin E. United States United States
Geroyannis, Vassilis S. Greece Greece
Gervasi, Massimo Italy Italy
Gesicki, Krzysztof Poland Poland
Getino Fernández, Juan Spain Spain
Getling, Alexander V. Russian Federation Russian Federation
Gezari, Daniel Ysa United States United States
Gezari, Suvi United States United States
Ghanbari, Jamshid Iran, Islamic Rep of Iran, Islamic Rep of
Ghez, Andrea United States United States
Ghezzi, Luan Brazil Brazil
Ghigo, Francis D. United States United States
Ghirlanda, Giancarlo Italy Italy
Ghisellini, Gabriele Italy Italy
Ghizaru, Mihai Canada Canada
Ghoneim, Rasha Mohamed Fathy Egypt Egypt
Ghoreyshi, Mohammad Reza (Junior Member) Estonia Estonia
Ghosh, P. India India
Ghosh, Swarna Kanti India India
Ghosh, Tapasi United States United States
Giacani, Elsa B. Argentina Argentina
Giaime, Joseph A. United States United States
Giallongo, Emanuele Italy Italy
Giammichele, Noemi (Junior Member) France France
Giampapa, Mark S. United States United States
Giani, Elisabetta Italy Italy
Giannetti, Andrea (Junior Member) Italy Italy
Gibson, Brad K. United Kingdom United Kingdom
Gibson, James United States United States
Gibson, Sarah United States United States
Gibson, Steven J. United States United States
Gidelew, Amare Abebe Ethiopia Ethiopia
Gierasch, Peter J. United States United States
Gieren, Wolfgang P. Chile Chile
Giersz, Mirosław Poland Poland
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