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
Redaelli, Elena (Junior Member) Germany Germany
Reddy, Bacham Eswar India India
Redfield, Seth United States United States
Redfors, Andreas Sweden Sweden
Redman, Matt Ireland Ireland
Reed, Michael D United States United States
Reed, Phillip A United States United States
Rees, David United Kingdom United Kingdom
Rees, Martin J. United Kingdom United Kingdom
Reffert, Sabine Germany Germany
Re Fiorentin, Paola Italy Italy
Regaly, Zsolt Hungary Hungary
Regan, John A. Ireland Ireland
Regev, Oded Israel Israel
Reglero Velasco, Victor Spain Spain
Regnier, Stephane United Kingdom United Kingdom
Rego, Manuel E. Spain Spain
Regos, Eniko Hungary Hungary
Reich, Wolfgang Germany Germany
Reichardt, Christian L Australia Australia
Reid, Iain Neill United States United States
Reid, Jack (Junior Member) United Kingdom United Kingdom
Reid, Mark Jonathan United States United States
Reid, Michael Canada Canada
Reid, Warren Alfred Australia Australia
Reig, Pablo Greece Greece
Reimer, Olaf Austria Germany
Rein, Hanno Canada Canada
Reina Campos, Marta (Junior Member) Canada Canada
Reinard, Alysha United States United States
Reiners, Ansgar Germany Germany
Reinsch, Klaus Germany Germany
Reiprich, Thomas H. Germany Germany
Reipurth, Bo United States United States
Reisenegger, Andreas Chile Chile
Reitsema, Harold J. United States United States
Reitze, David Howard United States United States
Reitzel, David B United States United States
Rejkuba, Marina Germany Germany
Rekier, Jérémy (Junior Member) Belgium Belgium
Rekola, Rami Tapani Fritiof Finland Finland
Remijan, Anthony J United States United States
Remus, Rhea-Silvia Germany Germany
REN, Yuan (Junior Member) China, Nanjing China, Nanjing
Renard, Jean-Baptiste France France
Renaud, Florent France France
Renaud, Matthieu France France
Rendtel, Juergen Germany Germany
Rengarajan, Thinniam N. India India
Rengel, Miriam Germany Germany
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