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: 12757 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12385.


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Name Location NCA adherence▼
Kjeldsen, Hans Denmark Denmark
Kjaergaard, Per Denmark Denmark
Khalil, Shaaban Said Egypt Egypt
Kahil, Magd Elias Egypt Egypt
Khoodairy, Sara Said (Junior Member) Egypt Egypt
Kamel, Tarek Mahmoud (Junior Member) Egypt Egypt
Khattab, El Amira Hend Said Egypt Egypt
Kamal, Fouad Youssef Egypt Egypt
Kolka, Indrek Estonia Estonia
Kama, Mihkel Netherlands Estonia
Kumssa, Gemechu Muleta (Junior Member) Ethiopia Ethiopia
Koldobskiy, Sergey A. Finland Finland
Kangas, Tuomas Juho Akseli (Junior Member) Sweden Finland
Koivisto, Tomi Sebastian Finland Finland
Karttunen, Hannu Finland Finland
Kuncarayakti, Hanindyo Finland Finland
Katajainen, Seppo J. Finland Finland
Kilpua, Emilia Finland Finland
Koljonen, Karri I. I. Finland Finland
Kostama, Veli-Petri Finland Finland
Kajava, Jari Juha Eemeli Finland Finland
Kotilainen, Jari Finland Finland
Kahane, Claudine France France
Kern, Pierre Y. France France
Krim, Lahouari France France
Kunth, Daniel Roger France France
Koechlin, Laurent France France
Knödlseder, Jürgen France France
Kordopatis, Georges Germany France
Koulouridis, Elias Greece France
Krikorian, Ralph France France
Kretzschmar, Matthieu France France
Katz, David A. France France
Kervella, Pierre France France
Klein, Karl L. France France
Kebe, Fatoumata (Junior Member) France France
Kurtanidze, Omar M. Georgia Georgia
Kulijanishvili, Vazha Georgia Georgia
Kochiashvili, Nino Georgia Georgia
Kuiper, Rolf Germany Germany
Kromer, Markus Germany Germany
Knapp, Johannes Germany Germany
Kiefer, René (Junior Member) Germany Germany
Klöckner, Hans-Rainer Germany Germany
Kitsionas, Spyridon China, Nanjing Germany
Karuppusamy, Ramesh Germany Germany
Kuntschner, Harald Germany Germany
Kamphuis, Peter Germany Germany
Krivova, Natalie Germany Germany
Koch, Andreas Germany Germany
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