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: 12754 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12383.


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Name▼ Location NCA adherence
Hart, Quyen N United States United States
Hartigan, Patrick M. United States United States
Hartke, Johanna (Junior Member) Finland Germany
Hartkopf, William I. United States United States
Hartl, Herbert Austria Austria
Hartman, Henrik Sweden Sweden
Hartman, Joel D. United States United States
Hartmann, Dieter H. United States United States
Hartmann, Lee William United States United States
Hartmann, William K. United States United States
Hartogh, Paul Germany Germany
Hartquist, Thomas Wilbur United Kingdom United Kingdom
Hartwick, F. David A. Canada Canada
Harutyunian, Haik Avag Armenia Armenia
Harutyunyan, Arus (Junior Member) Armenia Armenia
Harvey, John W. United States United States
Harvey-Smith, Lisa Australia Australia
Harwit, Martin United States United States
Harwood, Jeremy James (Junior Member) United Kingdom United Kingdom
Hasan, Hashima United States United States
Hasan, S. Sirajul India India
Hasan, Syed Najamul India India
HASEGAWA, Sunao Japan Japan
HASEGAWA, Tetsuo Japan Japan
Hashim, Norsiah Malaysia Malaysia
HASHIMOTO, Osamu Japan Japan
HASHIMOTO, Tetsuya China, Taipei China, Taipei
HASHIMOTO, Yasuhiro China, Taipei China, Taipei
Hasinger, Günther Spain United States
Hassall, Barbara J.M. United Kingdom United Kingdom
Hassan, A. H. Hassan Amir Egypt Egypt
Hassan, Raaid Nawfee Iraq Iraq
Hassani, Farbod (Junior Member) Norway Norway
Hassanin, Alshaimaa Saad (Junior Member) Egypt Egypt
Hassler, Donald M. United States France
Haswell, Carole A. United Kingdom United Kingdom
Hatchell, Jennifer United Kingdom United Kingdom
Hathaway, David H. United States United States
Hathi, Nimish P. United States United States
Hatsukade, Bunyo Japan Japan
HATSUKADE , Isamu Japan Japan
HATTORI, Makoto Japan Japan
HATTORI, Takashi United States United States
Hatzes, Artie P. Germany Germany
Hatzidimitriou, Despina Greece Greece
Hatziminaoglou, Evanthia Germany Germany
Haubois, Xavier Chile France
Haubold, Hans J. Austria Austria
Haugan, Stein Vidar H. Norway Norway
Haugbølle, Troels Denmark Denmark
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