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
Beeharry, Girish Kumar Mauritius South Africa
Beer, Reinhard United States United States
Beers, Timothy C. United States United States
Beesham, Aroonkumar South Africa South Africa
Begelman, Mitchell Craig United States United States
Begeman, Kor G. Netherlands Netherlands
Behar, Ehud Israel Israel
Behrend, Raoul Switzerland Switzerland
Beiersdorfer, Peter United States United States
Beitia-Antero, Leire (Junior Member) Spain Spain
Bejger, Michał Stanisław Poland Poland
Bekki, Kenji Australia Australia
Beklen, Elif Turkey Turkey
Belcheva, Maya Kirilova Bulgaria Bulgaria
Belda Palazon, Santiago (Junior Member) Spain Spain
Belfiore, Francesco M. C. Italy Italy
Belinski, Alexander Alexandrovich Russian Federation Russian Federation
Belinski, Vladimir A. Italy Italy
Belizon, Fernando Spain Spain
Belkacem, Kevin France France
Bell, Cameron P. M. Germany Germany
Bell, Martin Ellis Australia Australia
Bell, Steven A. United Kingdom United Kingdom
Bellas-Velidis, Ioannis Greece Greece
Bellazzini, Michele Italy Italy
Bell Burnell, Jocelyn United Kingdom United Kingdom
Belli, Sirio Italy Italy
Bell III, James F. United States United States
Bellinger, Earl Patrick (Junior Member) Denmark Denmark
Bellini, Andrea United States United States
Bellm, Eric C United States United States
Belloche, Arnaud Germany Germany
Belloni, Diogo (Junior Member) Brazil Brazil
Bellot Rubio, Luis Ramon Spain Spain
Belluzzi, Luca Switzerland Switzerland
Belmonte Aviles, Juan Antonio Spain Spain
Belov, Anatoly V. Russian Federation Russian Federation
Belova, Oksana M. (Junior Member) Russian Federation Russian Federation
Belskaya, Irina N. Ukraine Ukraine
Belucz, Bernadett (Junior Member) Hungary Hungary
Belvedere, Gaetano Italy Italy
Belyaev, Andrey K. Russian Federation Russian Federation
Bemis, Ashley R (Junior Member) Canada Netherlands
Bempong-Manful, Emmanuel K. (Junior Member) United Kingdom United Kingdom
Bemporad, Alessandro Italy Italy
Benacchio, Leopoldo Italy Italy
Benáček, Jan (Junior Member) Czech Republic Czech Republic
Benacquista, Matthew J United States United States
Benaglia, Paula Argentina Argentina
Bender, Peter L. United States United States
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