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: 12737 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12372.


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Name▼ Location NCA adherence
Bagoly, Zsolt Hungary Hungary
Bahali, Kassim (Junior Member) Malaysia Malaysia
Bahcall, Neta A. United States United States
Bahé, Yannick Michael Netherlands Netherlands
BAI, Hua China, Nanjing China, Nanjing
BAI, Jinming China, Nanjing China, Nanjing
Bailer-Jones, Coryn A.L. Germany Germany
Bailes, Matthew Australia Australia
Bailey, Janelle M. United States United States
Bailey, Katherine E United States United States
Bailey, Mark Edward United Kingdom United Kingdom
Bailin, Jeremy United States United States
Baillie, Kevin France France
Bailyn, Charles D. United States United States
Baines, Ellyn K. United States United States
BAIOTTI, Luca Japan Japan
Baird, Scott R. United States United States
Bait, Omkar Suresh (Junior Member) Switzerland Switzerland
Bajkova, Anisa T. Russian Federation Russian Federation
Bajtlik, Stanisław Poland Poland
Baker, Andrew J. United States United States
Baker, Deborah United Kingdom United Kingdom
Baker, Joanne C. United Kingdom United Kingdom
Baker, John G United States United States
Bakhtigaraev, Nail S. Russian Federation Russian Federation
Baki, Paul Kenya AA-Country unknown
BAKIS, Hicran Turkey Turkey
Bakker, Eric Johan Netherlands Netherlands
Baklanov, Alexey V. Russian Federation Russian Federation
Baklanova, Dilyara (Junior Member) Russian Federation Russian Federation
Bąk-Stęślicka, Urszula Poland Poland
Balaguer-Nunez, Lola Spain Spain
Balanca, Christian France France
Balaram, Dhanya Mahalingam (Junior Member) India India
Balasis, Georgios Greece Greece
Balasubramaniam, K. S. United States United States
Balasubramanian, V. India India
Balasubramanyam, Ramesh India India
Balazs, Lajos G. Hungary Hungary
Balbi, Amedeo Italy Italy
Balbinot, Eduardo (Junior Member) Netherlands Netherlands
Balbus, Steven A. United Kingdom United States
Balcells, Marc Spain Spain
Saavedra, Carla Austria Austria
Baldry, Ivan K. United Kingdom United Kingdom
Baldwin, Jack A. United States United States
Balega, Yurij Yu Russian Federation Russian Federation
Balick, Bruce United States United States
Balikhin, Michael United Kingdom United Kingdom
Baliyan, Kiran Singh India India
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