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 10 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: 14111 (of which 719 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11608.


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Name▼ Location NCA adherence
Johnson, Jennifer A. United States United States
Johnson, Megan Christine United States United States
Johnson, Thomas James United States United States
Johnson, Torrence V. United States United States
Johnston, Helen Margaret Australia Australia
Johnston, Kenneth John United States United States
Johnstone, Douglas I. Canada Canada
Johnston-Hollitt, Melanie Australia New Zealand
Jokipii, Jack R. United States United States
Joly, Monique France France
Jonas, Justin L. South Africa South Africa
Joncas, Gilles Canada Canada
Joner, Michael D. United States United States
Jones, Amy Michelle United States United States
Jones, Bernard J.T. Netherlands Netherlands
Jones, Burton United States United States
Jones, Carol Evelyn Canada Canada
Jones, Christine United States United States
Jones, David Spain Spain
Jones, Dayton L. United States United States
Jones, Derek H.P. United Kingdom United Kingdom
Jones, Geraint H. United Kingdom United Kingdom
Jones, Harrison P. United States United States
Jones, Heath D. Australia Australia
Jones, Hugh United Kingdom United Kingdom
Jones, James Canada Canada
Jones, Michael Gordon (Junior Member) Spain Spain
Jones, Olivia Charlotte United States United Kingdom
Jones, Paul Andrew Australia Australia
Jones, Thomas Walter United States United States
Jonker, Peter G. Netherlands Netherlands
Jönsson, Henrik (Junior Member) Sweden Sweden
Jopek, Tadeusz Jan Poland Poland
Jorda, Laurent France France
Jordán, Andrés Chile Chile
Jordan, Carole United Kingdom United Kingdom
Jordan, Stefan Germany Germany
Jordan, Stuart D. United States United States
Jorden, Paul Richard United Kingdom United Kingdom
Jordi, Carme Spain Spain
Jorgensen, Anders Moller United States United States
Jorgensen, Inger United States United States
Jørgensen, Jes K. Denmark Denmark
Jørgensen, Uffe Gråe Denmark Denmark
Jorissen, Alain Belgium Belgium
Jose, Jessy India India
Jose, Jordi Spain Spain
Joshi, Bhuwan India India
Joshi, Umesh C. India India
Joshi, Yogesh Chandra India India
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