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
Grebel, Eva K. Germany Germany
Grebenev, Sergei A. Russian Federation Russian Federation
Grec, Gérard France France
Grechnev, Victor V. Russian Federation Russian Federation
Gredel, Roland Germany Germany
Green, Anne J. Australia Australia
Green, Anne M. United Kingdom United Kingdom
Green, Daniel W. E. United States United States
Green, David A United Kingdom United Kingdom
Green, Elizabeth M. United States United States
Green, Jack United States United States
Green, James Andrew Australia Australia
Green, Joel David United States United States
Green, Lucie M United Kingdom United Kingdom
Green, Matthew John (Junior Member) Israel Israel
Green, Richard F. United States United States
Green, Simon F. United Kingdom United Kingdom
Greenberg, Richard United States United States
Greene, Thomas Peter United States United States
Greenhill, Lincoln J. United States United States
Greenhouse, Matthew A. United States United States
Gregg, Michael David United States United States
Greggio, Laura Italy Italy
Gregorini, Loretta Italy Italy
Gregorio, Anna Italy Italy
Gregorio-Hetem, Jane Brazil Brazil
Gregory, Philip C. Canada Canada
Gregory, Scott G United Kingdom United Kingdom
Greisen, Eric United States United States
Grenier, Isabelle France France
Grenon, Michel Switzerland Switzerland
Greve, Thomas R. United Kingdom United Kingdom
Grevesse, Nicolas Belgium Belgium
Grewing, Michael Germany Germany
Grice, Noreen A. United States United States
Grieco, Valentina Luciana Italy Italy
Grieger, Bjoern Spain Spain
Griest, Kim United States United States
Griffin, Ian Paul New Zealand New Zealand
Griffin, R. Elizabeth M. Canada Canada
Griffiths, Richard E. United States United States
Grillmair, Carl J. United States United States
Grillo, Claudio Italy Denmark
Grinberg, Victoria Netherlands Germany
Grindlay, Jonathan E. United States United States
Grinin, Vladimir P. Russian Federation Russian Federation
Grinon Marin, Ana Belen (Junior Member) Norway Norway
Grisoni, Valeria (Junior Member) Italy Italy
Gritsevich, Maria Finland Finland
Griv, Evgeny Israel Israel
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