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.

Total number of IAU Individual and Junior members: 12167 (of which 892 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11892.


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Name▼ Location NCA adherence
Revaz, Yves Switzerland Switzerland
Reville, Brian Germany Germany
Rey, Soo-Chang Korea, Rep of Korea, Rep of
Reyes, Francisco United States United States
Reyes, Jorge Mexico Mexico
Reyes, Rafael Carlos Peru Peru
Reyes, Reinabelle United States United States
Reyes-Ruiz, Mauricio Mexico Mexico
Reylé, Céline France France
Reyniers, Maarten Belgium Belgium
Reynolds, Cormac Australia Australia
Reynolds, John Australia Australia
Reynolds, Ronald J. United States United States
Reynolds, Stephen P. United States United States
Reynoso, Estela M. Argentina Argentina
Rezgui, Ghassen (Junior Member) Tunisia Tunisia
Rezk, Mohamed Abdel-Sabour Egypt Egypt
Rhee, Jaehyon United States United States
RHEE, Myung Hyun Korea, Rep of Korea, Rep of
Rho, Jeonghee United States United States
Rhoads, James United States United States
Rhodes, Jason D United States United States
Rhodes Jr, Edward Joseph United States United States
Riazi, Nematollah Iran, Islamic Rep of Iran, Islamic Rep of
Riazuelo, Alain France France
Ribak, Erez N. Israel Israel
Ribas, Álvaro Chile Chile
Ribas, Ignasi Spain Spain
Ribas, Salvador J (Junior Member) Spain Spain
Ribeiro, André Luis Batista Brazil Brazil
Ribeiro, Bruno R. L. (Junior Member) Netherlands Netherlands
Ribeiro, Marcelo Byrro Brazil Brazil
Ribeiro, Valerio A. R. M. Portugal Portugal
Ribo, Marc Spain Spain
Ricci, Fulvio Italy Italy
Ricciardi, Sara Italy Italy
Riccio, Giuseppe Italy Italy
Rice, Emily Lucille United States United States
Rice, John B. Canada Canada
Rich, Robert Michael United States United States
Richard, Johan France France
Richard, Olivier A. France France
Richards, Gordon T United States United States
Richardson, Derek Charles United States United States
Richardson, Noel D. United States United States
Richer, Harvey B. Canada Canada
Richer, John Stuart United Kingdom United Kingdom
Richer, Michael Gerard Mexico Mexico
Richichi, Andrea Thailand Thailand
Richstone, Douglas O. United States United States
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