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
Hauschildt, Peter H. Germany Germany
Hauser, Michael G. United States United States
HAUYU, Liu China, Taipei China, Taipei
Haverkorn, Marijke Netherlands Netherlands
Havlen, Robert J. United States United States
Hawkes, Robert Lewis Canada Canada
Hawkins, Michael R.S. United Kingdom United Kingdom
Hawley, Suzanne Louise United States United States
Haworth, Thomas James United Kingdom United Kingdom
HAYAMA, Kazuhiro Japan Germany
HAYASAKI, Kimitake Korea, Rep of Korea, Rep of
HAYASHI, Keiji United States United States
HAYASHI, Masahiko Germany Japan
HAYASHI, Saeko S. Japan Japan
HAYASHI, Yoshi-Yuki Japan Japan
Hayes, Matthew James Sweden Sweden
Hayli, Abraham France France
Haynes, Martha P. United States United States
Haynes, Raymond F. Australia Australia
Haynes, Roslynn Australia Australia
Hayward, John United Kingdom United Kingdom
Haywood, Misha France France
HAZUMI, Masashi Japan Japan
HE, Han China, Nanjing China, Nanjing
HE, Jinhua China, Nanjing China, Nanjing
HE, Jinping China, Nanjing China, Nanjing
HE, XiangTao China, Nanjing China, Nanjing
HE, Yuxin (Junior Member) China, Nanjing China, Nanjing
HE, Zhanke (Junior Member) China, Nanjing China, Nanjing
Heacox, William D. United States United States
Heald, George H Australia Australia
Healy, Julia Lynn (Junior Member) Netherlands Netherlands
Healy-Kalesh, Michael William (Junior Member) United Kingdom United Kingdom
Heap, Sara R. United States United States
Hearnshaw, John B. New Zealand New Zealand
Heavens, Alan United Kingdom United Kingdom
Heber, Ulrich Germany Germany
Hébrard, Guillaume France France
Hecht, James H. United States United States
Heckman, Timothy M. United States United States
Heeralall-Issur, Nalini Mauritius AA-Country unknown
Hefty, Jan Slovakia Slovakia
Hegedüs, Tibor Hungary Hungary
Heger, Alexander Australia Australia
Heggie, Douglas C. United Kingdom United Kingdom
Heidt, Jochen Germany Germany
Heikkila, Arto J. Sweden Sweden
Heiles, Carl United States United States
Heinamaki, Pekka S. Finland Finland
Heinke, Craig O Canada Canada
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