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: 11566.  Number of Active Individual Members in the IAU Directory: 11214.


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Name Location▼ NCA adherence
Ribas, Salvador J Spain Spain
Rodríguez Hidalgo, Inés L. Spain Spain
Rodes Roca, José Joaquín Spain Spain
Ribas, Ignasi Spain Spain
Rodriguez-Pacheco Martin, Javier Spain Spain
Rodriguez Frias, Maria D Spain Spain
Rebassa-Mansergas, Alberto Spain Spain
Rodríguez Baras, Marina Spain Spain
Ruiz Cobo, Basilio Spain Spain
Rossello, Gaspar Spain Spain
Rosenberg González, Alfred Spain Spain
Rioja, Maria J. Spain Spain
Ratnatunga, Kavan U. Sri Lanka AA-Country unknown
Ryde, Nils A.E. Sweden Sweden
Rickman, Hans Sweden Sweden
Romeo, Alessandro B. Sweden Sweden
Ryde, Felix M. Sweden Sweden
Redfors, Andreas Sweden Sweden
Raadu, Michael A. Sweden Sweden
Ramstedt, Sofia Sweden Sweden
Renaud, Florent Sweden Sweden
Rydbeck, Gustaf H.B. Sweden Sweden
Rosswog, Stephan H. K. Sweden Sweden
Rosquist, Kjell Sweden Sweden
Riesen, Timm-Emanuel Switzerland Switzerland
Read, Justin Inglis Switzerland Switzerland
Rieder, Steven Switzerland Netherlands
Rauscher, Thomas Switzerland Switzerland
Revaz, Yves Switzerland Switzerland
Rothacher, Markus Switzerland Switzerland
Ramelli, Renzo G.E. Switzerland Switzerland
Richichi, Andrea Thailand Thailand
Ruffolo, David Thailand Thailand
Rujopakarn, Wiphu Thailand Thailand
Rostopchina, Alla Ukraine Russian Federation
Ryabov, Michael I. Ukraine Ukraine
Rosenbush, Vera Ukraine Ukraine
Romanyuk, Yaroslav O. Ukraine Ukraine
Reshetnyk, Volodymyr M. Ukraine Ukraine
Rosenbush, Alexander E. Ukraine Ukraine
Russell, David M. United Arab Emirates United Arab Emirates
Read, Andrew M. United Kingdom United Kingdom
Richer, John Stuart United Kingdom United Kingdom
Roche, Paul United Kingdom United Kingdom
Rimmer, Paul Brandon United Kingdom United Kingdom
Ryan, Sean Gerard United Kingdom United Kingdom
Roberts, Timothy P. United Kingdom United Kingdom
Rees, Martin J. United Kingdom United Kingdom
Robson, Ian United Kingdom United Kingdom
Raimundo, Sandra Isabel United Kingdom Denmark
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