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 2014 and 2019 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 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: 13645 (of which 533 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11113.


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Name▼ Location NCA adherence
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
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, Yonghui China, Nanjing China, Nanjing
Houde, Martin Canada Canada
Houdek, Gunter Denmark Denmark
Hough, James United Kingdom United Kingdom
Houk, Nancy United States United States
Houziaux, Leo Belgium Belgium
Hovatta, Talvikki Finland Finland
Hovenier, J. W. Netherlands Netherlands
Howard, Andrew William United States United States
Howard, Sethanne United States United States
Howarth, Ian Donald United Kingdom United Kingdom
Howell, Dale Andrew United States United States
Howell, Ellen S. United States United States
Howell, Eric J Australia Australia
Howell, Steve B. United States United States
Hoyle, Fiona Ecuador Ecuador
Hoyng, Peter Netherlands Netherlands
HOZUMI, Shunsuke Japan Japan
Hric, Ladislav Slovakia Slovakia
Hrivnak, Bruce J. United States United States
Hron, Josef Austria Austria
Hsiao, Eric Y United States United States
Hsieh, Henry H United States United States
HSU, Rue-Ron China, Taipei China, Taipei
Hu, Esther M. United States United States
HU, Hongbo China, Nanjing China, Nanjing
HU, Tiezhu China, Nanjing China, Nanjing
HU, Xiaogong China, Nanjing China, Nanjing
HU, Yiming (Junior Member) China, Nanjing China, Nanjing
HU, Yonghui China, Nanjing China, Nanjing
HU, Zhong wen China, Nanjing China, Nanjing
HUA, Yu China, Nanjing China, Nanjing
Huan, Nguyen Dinh Vietnam Vietnam
Huang, Cheng-Li China, Nanjing China, Nanjing
Huang, Jiasheng United States United States
HUANG, Cheng China, Nanjing China, Nanjing
HUANG, Guangli China, Nanjing China, Nanjing
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