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: 12742 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12377.


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Name Location▼ NCA adherence
BABA, Hajime Japan Japan
BAMBA, Kazuharu Japan Japan
BABA, Junichi Japan Japan
BABA, Naoshi Japan Japan
Burns, Ross Alexander (Junior Member) Japan Netherlands
Baki, Paul Kenya AA-Country unknown
BAEK, Chang Hyun Korea, Rep of Korea, Rep of
BAEK, Seul-Min (Junior Member) Korea, Rep of Korea, Rep of
BACH, Kiehunn Korea, Rep of Korea, Rep of
BYUN, Yong-Ik Korea, Rep of Korea, Rep of
BONG, Su-Chan Korea, Rep of Korea, Rep of
Bittar, Jamal Lebanon Lebanon
Bartasiute, Stanislava Lithuania Lithuania
Bartkevicius, Antanas Lithuania Lithuania
Bahali, Kassim (Junior Member) Malaysia Malaysia
Beeharry, Girish Kumar Mauritius South Africa
Bruzual, Gustavo R. Mexico Mexico
Bravo-Alfaro, Hector Mexico Mexico
Bertone, Emanuele Mexico Mexico
Ballesteros-Paredes, Javier Mexico Mexico
Benítez, Erika Maria Mexico Mexico
Bartali, Roberto (Junior Member) Mexico Mexico
Barrera Ballesteros, Jorge Karolt Mexico Mexico
Binette, Luc Mexico Mexico
Batmunkh, Damdin Mongolia Mongolia
Bounhir, Aziza Morocco Morocco
Benkhaldoun, Zouhair Morocco Morocco
Benhida, Abdelmajid Morocco Morocco
Backes, Michael Namibia South Africa
Bloemen, Hans (J.B.G.M.) Netherlands Netherlands
Benkhoff, Johannes Josef Netherlands Netherlands
Bilous, Anna Netherlands Netherlands
Bertone, Gianfranco Netherlands Netherlands
Bartosch Caminha, Gabriel (Junior Member) Netherlands Netherlands
Brown, Anthony G.A. Netherlands Netherlands
Brinkman, Bert C. Netherlands Netherlands
Brandl, Bernhard R. Netherlands Netherlands
Bentum, Mark J. Netherlands Netherlands
Bassa, Cornelis Gerrit Netherlands Netherlands
Bloemen, Steven Netherlands Netherlands
Brentjens, Michiel A Netherlands Netherlands
Bahé, Yannick Michael Netherlands Netherlands
Bouwens, Rychard J Netherlands Netherlands
Bleeker, Johan A.M.Ir. Netherlands Netherlands
Brouw, Willem N. Netherlands Netherlands
Bhandari, Shivani (Junior Member) Netherlands Netherlands
Bontekoe, Romke Netherlands Netherlands
Begeman, Kor G. Netherlands Netherlands
Baryshev, Andrey M Netherlands Netherlands
Borghese, Alice (Junior Member) Netherlands Netherlands
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