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
Rathjen, Tim-Eric (Junior Member) Germany Germany
Ramachandran, Varsha (Junior Member) Germany Germany
Remus, Rhea-Silvia Germany Germany
Rappenglück, Michael A. Germany Germany
Rix, Hans-Walter Germany Germany
Reville, Brian Germany Germany
Reinsch, Klaus Germany Germany
Reich, Wolfgang Germany Germany
Richter, Philipp Germany Germany
Rendtel, Juergen Germany Germany
Reiprich, Thomas H. Germany Germany
Rottmann, Helge Germany Germany
Roth, Markus Germany Germany
Rejkuba, Marina Germany Germany
Reig, Pablo Greece Greece
Rovithis-Livaniou, Helen Greece Greece
Regos, Eniko Hungary Hungary
Regaly, Zsolt Hungary Hungary
Rao, Pasagada Vivekananda India India
Rao, N. Kameswara India India
Roy, Jayanta India India
Rao, Arikkala Raghurama India India
Reddy, Bacham Eswar India India
Rangarajan, K. E. India India
Raviprasad, Rupa K India India
Raju, Vasundhara India India
Ramaprakash, Anamparambu N. India India
Rameez, Mohamed India India
Ramanujam, Niruj Mohan India India
Raychaudhury, Somak India India
Ravikumar, Chazhiyat Damodaran India India
Raveendran, A. V. India India
R, Ramesh India India
Roy, Rupak (Junior Member) India India
Rao, Balachandra India India
Rengarajan, Thinniam N. India India
Ramadurai, Souriraja India India
Rastogi, Shantanu India India
Rajaguru, Paul K India India
Ray, Alak India India
Rakshit, Suvendu India India
Raj, Ashish India India
Roy, Nirupam India India
Radiman, Iratio Indonesia Indonesia
Raharto, Moedji Indonesia Indonesia
Rahvar, Sohrab Iran, Islamic Rep of Iran, Islamic Rep of
Riazi, Nematollah Iran, Islamic Rep of Iran, Islamic Rep of
Rasheed, Mariwan Ahmed Iraq Iraq
Regan, John A. Ireland Ireland
Rödiger, Elke Ireland Ireland
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