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: 12789 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12415.


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Name Location NCA adherence▼
Hamed, Gamal Edin Mohamed (Junior Member) Egypt Egypt
Hassanin, Alshaimaa Saad (Junior Member) Egypt Egypt
Hutsi, Gert Estonia Estonia
Habumugisha, Isaac (Junior Member) AA-Country unknown Ethiopia
Habte, Tolu Biressa (Junior Member) Ethiopia Ethiopia
Hackman, Thomas Finland Finland
Heinamaki, Pekka S. Finland Finland
Holappa, Lauri (Junior Member) Finland Finland
Hakala, Pasi J. Finland Finland
Hovatta, Talvikki Finland Finland
Harju, Jorma Sakari Finland Finland
Hannikainen, Diana C. Finland Finland
Huovelin, Juhani Finland Finland
Hébrard, Guillaume France France
Hoang, Binh Dy France France
Hui bon Hoa, Alain France France
Heudier, Jean-Louis France France
Hassler, Donald M. United States France
Hammer, François France France
Hameury, Jean-Marie France France
Huertas-Company, Marc France France
Humphries, Colin M. France France
Hennebelle, Patrick France France
Hestroffer, Daniel France France
Hochedez, Jean-François E. France France
Haywood, Misha France France
Herpin, Fabrice France France
Hayli, Abraham France France
Hill, Vanessa M. France France
Hadamcik, Edith France France
Halbwachs, Jean-Louis France France
Hubert-Delplace, Anne-Marie France France
Haubois, Xavier Chile France
Hua, Chon Trung France France
Hottier, Clément (Junior Member) France France
Hugot, Emmanuel H. France France
Henkel, Christian Germany Germany
Horedt, Georg Paul Germany Germany
Horn, Martin Erik Germany Germany
Hambaryan, Valeri V. Germany Germany
Hamann, Wolf-Rainer Germany Germany
Huensch, Matthias Germany Germany
HAYAMA, Kazuhiro Japan Germany
Hubrig, Swetlana Germany Germany
Henning, Thomas Germany Germany
Heidt, Jochen Germany Germany
Hainaut, Olivier R Germany Germany
Hauschildt, Peter H. Germany Germany
Hilker, Michael Germany Germany
Heber, Ulrich Germany Germany
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