Individual 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.

Individual 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.

For combined Individual and Junior Members click here

For the Working Rules pertaining to Individual membership click here.

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 members: 11545.  Number of Active Individual Members in the IAU Directory: 11197.


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Name Location▼ NCA adherence
Ramos Almeida, Cristina Spain Spain
Rodriguez Frias, Maria D Spain Spain
Romero Pérez, Maria Pilar Spain Spain
Ruiz Cobo, Basilio Spain Spain
Ros, Rosa M. Spain Spain
Romero-Gomez, Merce Spain Spain
Ruiz-Lapuente, María Pilar Spain Spain
Rodriguez-Pacheco Martin, Javier Spain Spain
Rubino-Martin, Jose Alberto Spain Spain
Rodríguez Baras, Marina Spain Spain
Ratnatunga, Kavan U. Sri Lanka AA-Country unknown
Raadu, Michael A. Sweden Sweden
Ryde, Felix M. Sweden Sweden
Rydbeck, Gustaf H.B. Sweden Sweden
Rickman, Hans Sweden Sweden
Redfors, Andreas Sweden Sweden
Rosswog, Stephan H. K. Sweden Sweden
Romeo, Alessandro B. Sweden Sweden
Ramstedt, Sofia Sweden Sweden
Rosquist, Kjell Sweden Sweden
Ryde, Nils A.E. Sweden Sweden
Riesen, Timm-Emanuel Switzerland Switzerland
Read, Justin Inglis Switzerland Switzerland
Ramelli, Renzo G.E. Switzerland Switzerland
Revaz, Yves Switzerland Switzerland
Rauscher, Thomas Switzerland Switzerland
Rieder, Steven Switzerland Netherlands
Rothacher, Markus Switzerland Switzerland
Rujopakarn, Wiphu Thailand Thailand
Richichi, Andrea Thailand Thailand
Ruffolo, David Thailand Thailand
Rostopchina, Alla Ukraine Russian Federation
Ryabov, Michael I. Ukraine Ukraine
Rosenbush, Alexander E. Ukraine Ukraine
Romanyuk, Yaroslav O. Ukraine Ukraine
Reshetnyk, Volodymyr M. Ukraine Ukraine
Rosenbush, Vera Ukraine Ukraine
Russell, David M. United Arab Emirates United Arab Emirates
Rawlings, Jonathan United Kingdom United Kingdom
Rushton, Anthony Peter United Kingdom United Kingdom
Raimundo, Sandra Isabel United Kingdom Denmark
Ryan, Sean Gerard United Kingdom United Kingdom
Ramsay, Gavin United Kingdom United Kingdom
Rees, Martin J. United Kingdom United Kingdom
Roche, Patrick F. United Kingdom United Kingdom
Russel, Sara S. United Kingdom United Kingdom
Regnier, Stephane United Kingdom United Kingdom
Rajantie, Arttu Kalervo United Kingdom United Kingdom
Ruffert, Maximilian United Kingdom United Kingdom
Roberts, Timothy P. United Kingdom United Kingdom
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