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
Hankins, Timothy Hamilton United States United States
Hanlon, Lorraine O. Ireland Ireland
Hanna, David Scott Canada Canada
Hanna, Magdy Abd El-Malek Egypt Egypt
Hanna, Yousry Shafik Egypt Egypt
Hannah, Iain Gordon United Kingdom United Kingdom
Hanner, Martha S. United States United States
Hannestad, Steen Denmark Denmark
Hannikainen, Diana C. Finland Finland
Hansen, Camilla Juul Germany Denmark
Hansen, Frode Kristian Norway Norway
Hanslmeier, Arnold Austria Austria
Hanson, Margaret Murray United States United States
Hanson, Robert B. United States United States
Hansteen, Viggo Norway Norway
Hantzios, Panayiotis Greece Greece
Hanus, Josef Czech Republic Czech Republic
Hanuschik, Reinhard Germany Germany
HAO, Jinxin China, Nanjing China, Nanjing
HAO, Lei China, Nanjing China, Nanjing
Hapke, Bruce W. United States United States
Haqq-Misra, Jacob United States United States
Haque, Shirin T. Trinidad & Tobago AA-Country unknown
HARA, Tetsuya Japan Japan
HARA , Hirohisa Japan Japan
HARADA, Nanase Japan Japan
Hardcastle, Martin J. United Kingdom United Kingdom
Hardee, Philip United States United States
Hardy, Eduardo Chile Chile
Harju, Jorma Sakari Finland Finland
Harmanec, Petr Czech Republic Czech Republic
Harmer, Charles F.W. United States United States
Harmer, Dianne L. United States United States
Harms, Richard James United States United States
Harnett, Julienne United States United States
Harper, David United Kingdom United Kingdom
Harper, Graham M. United States United States
Harra, Louise K. Switzerland United Kingdom
Harrington, J. Patrick United States United States
Harrington, Kevin Corneilus (Junior Member) Chile Germany
Harriott, Tina A. Canada Canada
Harris, Alan William Germany Germany
Harris, Alan William United States United States
Harris, Gretchen L.H. Canada Canada
Harris, William E. Canada Canada
Harrison, Christopher Mark (Junior Member) United Kingdom United Kingdom
Harrison, Richard A. United Kingdom United Kingdom
Harsono, Daniel Santoso China, Taipei China, Taipei
Harsoula, Mirella K. Greece Greece
Hart, Michael H. United States United States
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