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: 12743 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12378.


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Name▼ Location NCA adherence
Ramamonjisoa, Fidy A. (Junior Member) Madagascar Madagascar
Raman, Gayathri (Junior Member) United States United States
Ramanujam, Niruj Mohan India India
Ramaprakash, Anamparambu N. India India
Ramazani, Vandad Fallah (Junior Member) Finland Finland
Rambaux, Nicolas France France
Rameez, Mohamed India India
Ramelli, Renzo G.E. Switzerland Switzerland
Ramírez, Jose M. Venezuela Venezuela
Ramirez Alegria, Sebastian Chile Chile
Ramírez Tannus, María Claudia (Junior Member) Germany Germany
Ramos, Pau (Junior Member) Japan France
Ramos Almeida, Cristina Spain Spain
Ramos Ceja, Miriam Elizabeth Germany Germany
Ramos-Larios, Gerardo Mexico Mexico
Rampazzo, Roberto Italy Italy
Ramsay, Gavin United Kingdom United Kingdom
Ramsay, Suzanne Katherine Germany Germany
Ramsey, Lawrence W. United States United States
Ramstedt, Sofia Sweden Sweden
Rand, Richard J. United States United States
Randall, Scott W. United States United States
Randich, Sofia Italy Italy
Randriamampandry, Solohery M. Madagascar Madagascar
Randriamampandry, Toky Herimandimby (Junior Member) Madagascar Madagascar
Randriamanakoto, Zara Madagascar South Africa
Ranganathan, Mohanakrishna (Junior Member) Switzerland United States
Rangarajan, K. E. India India
Rangelov, Blagoy United States United States
RANJAN, Adarsh (Junior Member) United States United States
Rank-Lueftinger, Theresa Austria Austria
Ransom, Scott M. United States United States
Rantala, Antti Germany Germany
Rao, Arikkala Raghurama India India
Rao, Balachandra India India
Rao, M. N. United States United States
Rao, N. Kameswara India India
Rao, Pasagada Vivekananda India India
Rao, Ramprasad P United States United States
Rao, Sandhya M. United States United States
Rappenglück, Michael A. Germany Germany
Rasheed, Mariwan Ahmed Iraq Iraq
Rasio, Frederic A. United States United States
Raskin, Gert Belgium Belgium
Rasmussen, Ib L. Denmark Denmark
Rasmussen, Jesper Denmark Denmark
Rastegaev, Denis Aleksandrovich Russian Federation Russian Federation
Rastogi, Shantanu India India
Rastorguev, Alexey S. Russian Federation Russian Federation
Ratajczak, Milena (Junior Member) Poland Poland
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