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.

Total number of IAU Individual and Junior members: 12167 (of which 892 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11892.


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Name Location▼ NCA adherence
Harju, Jorma Sakari Finland Finland
Hannikainen, Diana C. Finland Finland
Hébrard, Guillaume France France
Hammer, François France France
Hui bon Hoa, Alain France France
Heudier, Jean-Louis France France
Halbwachs, Jean-Louis France France
Haywood, Misha France France
Heydari-Malayeri, Mohammad France France
Humphries, Colin M. France France
Herpin, Fabrice France France
Hill, Vanessa M. France France
Hayli, Abraham France France
Hochedez, Jean-François E. France France
Hubert-Delplace, Anne-Marie France France
Hottier, Clément (Junior Member) France France
Huertas-Company, Marc France France
Hugot, Emmanuel H. France France
Hua, Chon Trung France France
Hadamcik, Edith France France
Hestroffer, Daniel France France
Hoang, Binh Dy France France
Hameury, Jean-Marie France France
Hennebelle, Patrick France France
Hamers, Adrian Sven (Junior Member) Germany United States
Hopp, Ulrich Germany Germany
Hummel, Christian Germany Germany
Henkel, Christian Germany Germany
Humphreys, Elizabeth M. L. Germany Germany
Homeier, Derek Germany Germany
Hummel, Wolfgang Germany Germany
Hatziminaoglou, Evanthia Germany Germany
Horns, Dieter Germany Germany
Hippelein, Hans H. Germany Germany
Haenel, Andreas Germany Germany
Hainaut, Olivier R Germany Germany
Hubrig, Swetlana Germany Germany
Husemann, Bernd Germany Germany
Heinkelmann, Robert Germany Germany
Hambaryan, Valeri V. Germany Germany
Heidt, Jochen Germany Germany
Hamann, Wolf-Rainer Germany Germany
Hillebrandt, Wolfgang Germany Germany
Henning, Thomas Germany Germany
Heller, René Germany Germany
Heber, Ulrich Germany Germany
Huettemeister, Susanne Germany Germany
Hatzes, Artie P. Germany Germany
Hofmann, Wilfried Germany Germany
Hahn, Gerhard J. Germany Germany
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