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: 12737 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12372.


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Name▼ Location NCA adherence
Haas, Jaroslav Czech Republic Czech Republic
Haas, Martin F. Germany Germany
HAAS, RÜDIGER Sweden Sweden
Habbal, Shadia Rifai United States United States
HABE , Asao Japan Japan
Habergham-Mawson, Stacey Marie United Kingdom United Kingdom
Haberreiter, Margit Switzerland Switzerland
Habing, Harm J. Netherlands Netherlands
Habison, Peter Austria Austria
Habouzit, Melanie (Junior Member) Germany Germany
Habte, Tolu Biressa (Junior Member) Ethiopia Ethiopia
Habumugisha, Isaac (Junior Member) AA-Country unknown Ethiopia
Hacar, Alvaro (Junior Member) Netherlands Netherlands
HACHISU , Izumi Japan Japan
Hackman, Christine United States United States
Hackman, Thomas Finland Finland
Hackwell, John A. United States United States
Hadamcik, Edith France France
HADASCH, Daniela Japan Japan
Hadrava, Petr Czech Republic Czech Republic
Haefner, Reinhold Germany Germany
Haehnelt, Martin G. United Kingdom United Kingdom
Haemmerle, Hannelore Germany Germany
Haenel, Andreas Germany Germany
Haerendel, Gerhard Germany Germany
Hafez, Ihsan United States Thailand
Hafizi, Mimoza Albania Albania
Hagelberg, Janis (Junior Member) Switzerland Switzerland
Hagele, Guillermo Federico Argentina Argentina
Hagen, Hans-Juergen Germany Germany
Hagen-Thorn, Vladimir A. Russian Federation Russian Federation
Haggard, Daryl Canada Canada
Haghi, Hosein Iran, Islamic Rep of Iran, Islamic Rep of
Haghighipour, Nader United States United States
HAGIWARA, Yoshiaki Japan Japan
Hagyard, Mona J. United States United States
Hahn, Michael United States United States
Hainaut, Olivier R Germany Germany
Haisch, Bernard United States United States
Haisch Jr, Karl E. United States United States
Hajduk, Marcin Poland Poland
Hajdukova, Maria Slovakia Slovakia
Hajdukova, Jr., Maria Slovakia Slovakia
Hajian, Arsen R. Canada Canada
Hakala, Pasi J. Finland Finland
Hakim, Kaustubh (Junior Member) Belgium Belgium
Hakkila, Jon E. United States United States
Hakobyan, Artur A. Armenia Armenia
Hakobyan (Akopian), Ashot Armenia Armenia
Hakopian, Susanna Avetis Armenia Armenia
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