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.

Total number of IAU Individual and Junior members: 12167 (of which 892 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11892.


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Name▼ Location NCA adherence
Hermsen, Willem Netherlands Netherlands
Hernández, Jesús O. Venezuela Venezuela
Hernández, Xavier Mexico Mexico
Hernandez-Monteagudo, Carlos Spain Spain
Hernández-Pajares, Manuel Spain Spain
Hernández Pérez, Fabiola Carolina Venezuela Venezuela
Hernandez Santisteban, Juan Venancio (Junior Member) United Kingdom Netherlands
Hernanz, Margarita Spain Spain
Hernitschek, Nina (Junior Member) United States United States
Herpin, Fabrice France France
Herrero Davó, Artemio Spain Spain
Herrmann, Dieter B. Germany Germany
Hertz, Paul L. United States United States
Hervik, Sigbjorn Norway Norway
Hess, Kelley Michelle South Africa South Africa
Hessels, Jason W T Netherlands Netherlands
Hesser, James E. Canada Canada
Hessman, Frederic Victor Germany Germany
Hestroffer, Daniel France France
Hetem Jr., Annibal Brazil Brazil
Heudier, Jean-Louis France France
Hewett, Paul Charles United Kingdom United Kingdom
Hewish, Antony United Kingdom United Kingdom
Hewitt, Jacqueline N. United States United States
Heydari-Malayeri, Mohammad France France
Heyer, Mark United States United States
Heyl, Jeremy Samuel Canada Canada
Heynderickx, Daniel Belgium Belgium
Heyrovsky, David Czech Republic Czech Republic
Hibbard, John E. United States United States
Hickox, Ryan C United States United States
Hicks, Amalia United States United States
Hicks, Erin K. S. United States United States
Hickson, Paul Canada Canada
Hidayat, Bambang Indonesia Indonesia
Hidayat, Taufiq Indonesia Indonesia
HIDEKI, Asada Japan Japan
HIEI, Eijiro Japan Japan
Higgs, Vince United Kingdom United Kingdom
HIGUCHI, Aya Japan Japan
Higuera Garzon, Mario Armando Colombia Colombia
Hildebrandt, Joachim Germany Germany
Hilditch, Ronald W. United Kingdom United Kingdom
Hilker, Michael Germany Germany
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
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