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: 12769 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12399.


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Name▼ Location NCA adherence
Jorgensen, Inger United States United States
Jørgensen, Uffe Gråe Denmark Denmark
Jørgensen, Jes Kristian Denmark Denmark
Jorgenson, Regina A. United States United States
Jorissen, Alain Belgium Belgium
Jose, Jessy India India
Jose, Jordi Spain Spain
Joseph, Tana D Netherlands Netherlands
Joshi, Bhal Chandra India India
Joshi, Bhuwan India India
Joshi, Chandan India India
Joshi, Navin Chandra India India
Joshi, Reetika (Junior Member) Norway India
Joshi, Vishal India India
Joshi, Yogesh Chandra India India
Joss, Paul Christopher United States United States
Josselin, Eric France France
Jovanovic, Bora Serbia, Republic of Serbia, Republic of
Jovanović, Predrag Serbia, Republic of Serbia, Republic of
Joyce, Meridith Paige (Junior Member) United States Australia
Joyce, Richard R United States United States
Józsa, Gyula I. G. Germany Germany
Jubier, Xavier Marie France France
Judge, Philip United States United States
JUNG, Taehyun Korea, Rep of Korea, Rep of
JUNG , Jae-Hoon Korea, Rep of Korea, Rep of
Jungwiert, Bruno Czech Republic Czech Republic
Junkes, Norbert Germany Germany
Junkkarinen, Vesa T. United States United States
Junor, William United States United States
Jurčák, Jan Czech Republic Czech Republic
Jurcsik, Johanna Hungary Hungary
Jurdana-Sepic, Rajka Croatia, the Republic of Croatia, the Republic of
Jurkic, Tomislav Croatia, the Republic of Croatia, the Republic of
Jurkovic, Monika I. (Junior Member) Serbia, Republic of Serbia, Republic of
Jurua, Edward AA-Country unknown Ethiopia
Jurysek, Jakub (Junior Member) Czech Republic Czech Republic
Just, Andreas Germany Germany
Justham, Stephen Germany Germany
Justtanont, Kay Sweden Sweden
Juvela, Mika J. Finland Finland
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