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
Homan, Ward (Junior Member) Belgium Belgium
Homeier, Derek Germany Germany
HONDA, Mitsuhiko Japan Japan
HONDA, Satoshi Japan Japan
Honeycutt, R. Kent United States United States
HONG, Sungwook E. Korea, Rep of Korea, Rep of
HONG, Xiaoyu China, Nanjing China, Nanjing
HONG, Zhang China, Nanjing China, Nanjing
Honková, Michaela (Junior Member) Czech Republic Czech Republic
HONMA, Mareki Japan Japan
Hood, Alan W. United Kingdom United Kingdom
Hood, Carol United States United States
Hopkins, Andrew M. Australia Australia
Hopp, Ulrich Germany Germany
Hora, Joseph Lee United States United States
Horácek, Jiri Czech Republic Czech Republic
HORAGUCHI , Toshihiro Japan Japan
Hörandel, Jörg Netherlands Netherlands
Horch, Elliott P. United States United States
Horedt, Georg Paul Germany Germany
Horellou, Cathy Sweden Sweden
Horesh, Assaf Israel Israel
Horiuchi, Shinji Australia Australia
HORIUCHI, Ritoku Japan Japan
Horn, Martin Erik Germany Germany
Horne, Keith United Kingdom United Kingdom
Horner, Jonathan Anthony Australia Australia
Horner, Scott United States United States
Hornoch, Kamil Czech Republic Czech Republic
Horns, Dieter Germany Germany
Hornschemeier, Ann E United States United States
Hornstrup, Allan Denmark Denmark
Horowitz, Paul United States United States
Horton, Anthony John Australia Australia
Horvath, Istvan Hungary Hungary
HOSHINO, Masahiro Japan Japan
HOSOKAWA, Mizuhiko Japan Japan
Hota, Ananda India India
Hotan, Aidan W. Australia Australia
HOTTA, Hideyuki Japan Japan
Hottier, Clément (Junior Member) France France
HOU, Jinliang China, Nanjing China, Nanjing
HOU, Junfeng (Junior Member) China, Nanjing China, Nanjing
HOU, Wen (Junior Member) China, Nanjing China, Nanjing
HOU, Xiyun China, Nanjing China, Nanjing
HOU, Yijun (Junior Member) China, Nanjing China, Nanjing
HOU, Yonghui China, Nanjing China, Nanjing
Houde, Martin Canada Canada
Houdek, Gunter Denmark Denmark
Hough, James United Kingdom United Kingdom
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