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
Bezděk, Aleš Czech Republic Czech Republic
Bhalerao, Varun India India
Bhandare, Asmita (Junior Member) Germany Germany
Bhandari, N. India India
Bhandari, Rajendra India India
Bhandari, Shivani (Junior Member) Netherlands Netherlands
Bharadwaj, Somnath India India
Bhardwaj, Anil India India
Bhardwaj, Anupam (Junior Member) India India
Bhat, Pallavi India India
Bhat, Ramesh N. D. Australia Australia
Bhatawdekar, Rachana (Junior Member) United Kingdom United Kingdom
Bhatia, Vishnu B. India India
Bhatnagar, Sanjay United States United States
Bhatt, H. C. India India
Bhatt, Megha India India
BHATT, NIPA J India India
Bhattacharjee, Pijushpani India India
Bhattacharya, Debbijoy India India
Bhattacharya, Dipankar India India
Bhattacharyya, Bhaswati India India
Bhattacharyya, Sudip India India
Bhavsar, Suketu United States United States
Bhowmik, Prantika (Junior Member) United Kingdom United Kingdom
Bian, Fuyan Chile Germany
BIAN, Wei-Hao China, Nanjing China, Nanjing
BIAN, Yulin China, Nanjing China, Nanjing
Bianchi, Luciana United States United States
Bianchi, Simone Italy Italy
Bianchi, Stefano Italy Italy
Bianchini, Antonio Italy Italy
Bianconi, Matteo (Junior Member) United Kingdom United Kingdom
Bianda, Michele Switzerland Switzerland
Biazzo, Katia Italy Italy
Bicknell, Geoffrey V. Australia Australia
Bieging, John Harold United States United States
Biémont, Emile Belgium Belgium
Bienaymé, Olivier France France
Biermann, Peter L. Germany Germany
Biesiada, Marek Ryszard Poland Poland
Bietenholz, Michael F Canada Canada
Biffi, Veronica Italy Italy
Bigdeli, Mohsen Iran, Islamic Rep of Iran, Islamic Rep of
Biggs, James Australia Australia
Bigiel, Frank Germany Germany
Bignall, Hayley Emma Australia Australia
Bignell, R. Carl Canada Canada
Bijaoui, Albert France France
Bik, Arjan Sweden Sweden
Bikmaev, Ilfan F. Russian Federation Russian Federation
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