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: 12425 (of which 1084 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12090.


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Name Location▼ NCA adherence
Hafizi, Mimoza Albania Albania
Hagele, Guillermo Federico Argentina Argentina
Hakobyan, Artur A. Armenia Armenia
Harutyunyan, Arus (Junior Member) Armenia Armenia
Hakobyan (Akopian), Ashot Armenia Armenia
Harutyunian, Haik Avag Armenia Armenia
Hakopian, Susanna Avetis Armenia Armenia
Hall, Peter J. Australia Australia
Humble, John Edmund Australia Australia
Howell, Eric J Australia Australia
Horner, Jonathan Anthony Australia Australia
Haynes, Raymond F. Australia Australia
Heald, George H Australia Australia
Hopkins, Andrew M. Australia Australia
Hughes, Stephen W. Australia Australia
Horton, Anthony John Australia Australia
Horiuchi, Shinji Australia Australia
Heger, Alexander Australia Australia
Hotan, Aidan W. Australia Australia
Hobbs, George Australia Australia
Hollow, Robert Paul Australia Australia
Haynes, Roslynn Australia Australia
Harvey-Smith, Lisa Australia Australia
Hamacher, Duane W. Australia Australia
Hurley, Jarrod R. Australia Australia
Huynh, Minh Tieu Australia Australia
Hensler, Gerhard Austria Austria
Habison, Peter Austria Austria
Hanslmeier, Arnold Austria Austria
Hartl, Herbert Austria Austria
Haubold, Hans J. Austria Austria
Hron, Josef Austria Austria
Houziaux, Leo Belgium Belgium
Heynderickx, Daniel Belgium Belgium
Homan, Ward (Junior Member) Belgium Belgium
Hutsemekers, Damien Belgium Belgium
Hensberge, Herman Brazil Brazil
Hetem Jr., Annibal Brazil Brazil
Harris, Gretchen L.H. Canada Canada
Hudson, Michael J. Canada Canada
Hutchings, John B. Canada Canada
Heinke, Craig O Canada Canada
Harris, William E. Canada Canada
Hlavacek-Larrondo, Julie Canada Canada
Hawkes, Robert Lewis Canada Canada
Hall, Patrick B. Canada Canada
Hajian, Arsen R. Canada Canada
Hickson, Paul Canada Canada
Hartwick, F. David A. Canada Canada
Houde, Martin Canada Canada
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