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: 12742 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12377.


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Name▼ Location NCA adherence
Hill, Adam B United States United States
Hill, Frank United States United States
Hill, Graham New Zealand New Zealand
Hill, Grant United States United States
Hill, Vanessa M. France France
Hillaris (or CHEILARIS), Alexander E. Greece Greece
Hillebrandt, Wolfgang Germany Germany
Hillenbrand, Lynne A. United States United States
Hillier, Andrew Stephen United Kingdom United Kingdom
Hillier, John United States United States
Hills, Jack G. United States United States
Hillwig, Todd C. United States United States
Hilton, James Lindsay United States United States
Hilton, Matt South Africa South Africa
Hindman, George W. United States United States
Hines, Dean C United States United States
Hinkle, Kenneth H. United States United States
Hintz, Eric G. United States United States
Hintzen, Paul Michael N. United States United States
Hippelein, Hans H. Germany Germany
HIRABAYASHI, Hisashi Japan Japan
HIRAI, Masanori Japan Japan
HIRAI, Yutaka (Junior Member) Japan Japan
HIRAMATSU, Masaaki Japan Japan
HIRANO , Naomi China, Taipei China, Taipei
HIRAO, Takanori Japan Japan
HIRASHITA , Hiroyuki China, Taipei China, Taipei
HIRATA, Ryuko Japan Japan
Hiriart, David Mexico Mexico
HIROSE, Shigenobu Japan Japan
HIROTA, Tomoya Japan Japan
Hirschauer, Alec Seth (Junior Member) United States United States
Hirschi, Raphael United Kingdom United Kingdom
Hirshfeld, Alan W United States United States
Hjalmarson, Ake G. Sweden Sweden
Hjorth, Jens Denmark Denmark
Hlavacek-Larrondo, Julie Canada Canada
Hledík, Stanislav Czech Republic Czech Republic
Hlozek, Renee A Canada Canada
Hnatyk, Bohdan Ivanovych Ukraine Ukraine
Hnatyk, Roman (Junior Member) Ukraine Ukraine
Ho, George C United States United States
Ho, Luis Chi China, Nanjing United States
Ho, Paul T.P. United States United States
Ho, Wynn United States United Kingdom
Hoang, Binh Dy France France
HOANG, Thiem Chi Korea, Rep of Korea, Rep of
Hoard, D. W. United States United States
Hoare, Melvin G. United Kingdom United Kingdom
Hobbs, David Sweden Sweden
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