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
Jaakola, Toivo, Deceased AA-Country unknown
Jabbar, Sabeh Rhaman (Inactive) Iraq Iraq
Jabir, Niama Lafta (Inactive) Iraq Iraq
Jabiri, Abdelhadi Morocco Morocco
Jablonka, Pascale Switzerland Switzerland
Jablonski, Francisco J. (Inactive) Brazil Brazil
Jáchym, Pavel Czech Republic Czech Republic
Jack, Dennis Mexico Mexico
Jackson, Bernard V. United States United States
Jackson, Carole A. Netherlands Netherlands
Jackson, J. (Inactive) South Africa South Africa
Jackson, James M. United States United States
Jackson, John Charles United Kingdom United Kingdom
Jackson, Neal J. United Kingdom United Kingdom
Jackson, Paul (Inactive) Austria Austria
Jackson, Peter D. United States United States
Jackson, William M. United States United States
Jacob, Andrew Australia Australia
Jacob, Uri Israel Israel
Jacobs, Carla Belgium Belgium
Jacobs, Christopher S. United States United States
Jacobs, Kenneth C. (Inactive) United States United States
Jacobsen, Theodor, Deceased (1901-) United States
Jacobson, Robert A. United States United States
Jacobson, Seth Andrew United States United States
Jacoby, George H. United States United States
Jacq, Thierry France France
Jacquinot, Pierre, Deceased (1911-) France
Jaeger, Friedrich, Deceased Germany
Jäggi, Adrian Switzerland Switzerland
Jafarzadeh, Shahin Norway Norway
Jafelice, Luiz Carlos Brazil Brazil
Jaffe, Andrew H United Kingdom United Kingdom
Jaffe, Daniel T. United States United States
Jaffe, Walter Joseph Netherlands Netherlands
Jaffe, Yara L Chile Chile
Jahn, Krzysztof, Deceased (1956-2015) Poland
Jahnke, Knud Germany Germany
Jahreiss, Hartmut Germany Germany
Jain, Deepak India India
Jain, Kiran United States United States
Jain, Rajeev Kumar India India
Jain, Rajmal India India
Jaisawal, Gaurava Kumar (Junior Member) Denmark Denmark
Jakimiec, Jerzy Poland Poland
Jakobsen, Peter Denmark Denmark
Jakobsson, Pall Iceland Iceland
Jakubik, Marian Slovakia Slovakia
Jalali, Mir Abbas United States Iran, Islamic Rep of
Jamar, Claude A.J. Belgium Belgium
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