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 2014 and 2019 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 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 10 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 members:13661 (of which 534 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11123.


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Name▼ Location NCA adherence
Abu Kassim, Hasan Malaysia Malaysia
Abulazm, Mohamed, Deceased (-2017) Egypt
Abulwfa, Ahmed (Junior Member) Egypt Egypt
Abunin, Artem Anatolievich (Junior Member) Russian Federation Russian Federation
Accomazzi, Alberto United States United States
Acharova, Irina Alexandrovna Russian Federation Russian Federation
Acharya, Bannanje S. India India
Achterberg, Abraham Netherlands Netherlands
Acke, Bram Belgium Belgium
Acker, Agnes France France
Acosta Pulido, Jose A. Spain Spain
Acton, Charles H. United States United States
Acton, Loren W. United States United States
Adam, Madge, Deceased (1912-2001) United Kingdom
Adami, Christophe France France
Adamo, Angela Sweden Sweden
Adams, A. N. (Inactive) United States United States
Adams, David, Deceased United Kingdom
Adams, Elizabeth A K Netherlands Netherlands
Adams, Fred C United States United States
Adams, Jenni New Zealand New Zealand
Adams, Mark T. United States United States
Adams, Thomas F. United States United States
Adams, Walter, Deceased (1876-1956) United States
Adams Jr, James H. New Zealand New Zealand
Adamson, Andrew United Kingdom United Kingdom
Ade, Peter A.R. United Kingdom United Kingdom
Adebahr, Björn Germany Germany
Adelman, Saul J. United States United States
Adhikari, Rana X United States United States
Adhikari, Tek Prasad (Junior Member) India Poland
Adibekyan, Vardan Portugal Portugal
Adjabshirizadeh, Ali (Inactive) Iran, Islamic Rep of Iran, Islamic Rep of
Adler, David Scott United States United States
Adolfsson, Tord, Deceased (1922-) Sweden
Aerts, Conny Belgium Belgium
Afanas'ev, Viktor L. Russian Federation Russian Federation
Afanasjeva, Praskovja, Deceased (1930-2010) Russian Federation
Afonso, Jose M Portugal Portugal
Afram, Nadine Switzerland Switzerland
AFŞAR, Melike Turkey Turkey
Afshordi, Niayesh Canada Canada
Agafonov, Mikhail I Russian Federation Russian Federation
AGATA, Hidehiko Japan Japan
Agekjan, Tateos, Deceased Russian Federation
Agertz, Oscar Sweden Sweden
Aggarwal, Kanti M United Kingdom United Kingdom
Aggarwal, Rajiv India India
Aghaee, Alireza Iran, Islamic Rep of Iran, Islamic Rep of
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