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: 11124.


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Name▼ Location NCA adherence
Alfaro, Emilio Javier Spain Spain
Alfven, Hannes, Deceased (-1995) Sweden
Ali, Aamir M. (Junior Member) United States United States
Ali, Gamal, Deceased (1960-2017) Egypt
Ali, Sabry Egypt Egypt
ALIBERT, Yann Switzerland Switzerland
Alimi, Jean-Michel A. France France
Alis, Sinan Turkey Turkey
Alissandrakis, Costas Greece Greece
Alksne, Zenta, Deceased (1928-2011) Latvia
Alksnis, Andrejs, Deceased (1928-2017) Latvia
Alladin, Saleh, Deceased (1931-) India
Allam, Sahar S. United States United States
Allan, Alasdair United Kingdom United Kingdom
Allan, David W. (Inactive) United States United States
Allan, Peter M. United Kingdom United Kingdom
Allard, France France France
Allard, Nicole France France
Allegre, Claude France France
Allen, Alice United States United States
Allen, Anthony John (Inactive) United Kingdom United Kingdom
Allen, Branden Thomas United States United States
Allen, Bruce Germany Germany
Allen, C. W. (Inactive) United Kingdom United Kingdom
Allen, Christine Mexico Mexico
Allen, Lori E. United States United States
Allen, Mark George France France
Allen, Ronald J. United States United States
Allen, William New Zealand New Zealand
Allende Prieto, Carlos Spain Spain
Allen Jr, John E. United States United States
Aller, Hugh D. United States United States
Aller, Lawrence, Deceased (1913-) United States
Aller, Margo F. United States United States
Aller Ulloa, Ramón María, Deceased (1878-1966) Spain
Alley, Carrol, Deceased (-2016) United States
Allie, Muhammad Saalih South Africa South Africa
Allington-Smith, Jeremy R. United Kingdom United Kingdom
Allison, James Richard United Kingdom United Kingdom
Allison, Michael D. United States United States
Alloin, Danielle France France
Almaini, Omar United Kingdom United Kingdom
Al-Malki, Mohammed B. (Inactive) Saudi Arabia Saudi Arabia
Almár, Ivan Hungary Hungary
Almleaky, Yasseen (Inactive) Saudi Arabia Saudi Arabia
Al-Mostafa, Zaki A. Saudi Arabia Saudi Arabia
Almoznino, Elhanan (Inactive) Israel Israel
Al-Naimiy, Hamid M.K. United Arab Emirates United Arab Emirates
Aloisi, Alessandra United States United States
Alonso, Maria Sol Argentina Argentina
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