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: 12769 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12399.


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Name Location NCA adherence▼
Jelić, Vibor Croatia, the Republic of Croatia, the Republic of
Jurčák, Jan Czech Republic Czech Republic
Janik, Jan Czech Republic Czech Republic
Jílková, Lucie Netherlands Czech Republic
Jelínek, Petr Czech Republic Czech Republic
Jungwiert, Bruno Czech Republic Czech Republic
Jáchym, Pavel Czech Republic Czech Republic
Jurysek, Jakub (Junior Member) Czech Republic Czech Republic
Jørgensen, Jes Kristian Denmark Denmark
Jaisawal, Gaurava Kumar (Junior Member) Denmark Denmark
Jakobsen, Peter Denmark Denmark
Jensen, Brian L. Denmark Denmark
Jørgensen, Uffe Gråe Denmark Denmark
Jurua, Edward AA-Country unknown Ethiopia
Janz, Joachim Finland Finland
Johansson, Peter H. Finland Finland
Juvela, Mika J. Finland Finland
Jetsu, Lauri J. Finland Finland
Janvier, Miho France France
Jasinghege Don, Prasanna Deshapriya (Junior Member) France France
Joblin, Christine France France
Jean, Pierre France France
Jacq, Thierry France France
Joly, Monique France France
Jasniewicz, Gerard France France
Jubier, Xavier Marie France France
Josselin, Eric France France
Jorda, Laurent France France
Janka, Hans Thomas Germany Germany
Järvinen, Silva P. Germany Germany
Jahnke, Knud Germany Germany
Just, Andreas Germany Germany
Jiang, Chen Germany Germany
Justham, Stephen Germany Germany
Jockers, Klaus Germany Germany
Junkes, Norbert Germany Germany
Józsa, Gyula I. G. Germany Germany
Jeffers, Sandra V Germany Germany
Jordan, Stefan Germany Germany
Jurcsik, Johanna Hungary Hungary
Jankovics, Istvan Hungary Hungary
Johannesson, Guðlaugur Iceland Iceland
Jakobsson, Pall Iceland Iceland
Joshi, Chandan India India
Joshi, Navin Chandra India India
Joshi, Bhuwan India India
Jain, Deepak India India
Jain, Rajeev Kumar India India
Jain, Rajmal India India
Jose, Jessy India India
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