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
Herbst, Sheldon Rhameez (Junior Member) South Africa South Africa
Herbst, William United States United States
Herdiwijaya, Dhani Indonesia Indonesia
Herenz, Edmund Christian (Junior Member) Chile Germany
Hermes, James J. United States United States
Hermsen, Willem Netherlands Netherlands
Hernandez, Jesús O. Mexico Mexico
Hernandez, Svea S United States United States
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) Chile United States
Herpin, Fabrice France France
Herrero Davó, Artemio Spain Spain
Hertz, Paul L. United States United States
Hervik, Sigbjorn Norway Norway
Hess, Kelley Michelle Sweden Sweden
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
Hewitt, Jacqueline N. United States United States
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
Hibon, Pascale M Chile Germany
H. Ibrahim, Rasha (Junior Member) Iraq Iraq
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
Hidalgo-Gamez, Ana Maria Mexico Mexico
Hidayat, Bambang Indonesia Indonesia
Hidayat, Taufiq Indonesia Indonesia
HIDEKI, Asada Japan Japan
HIEI, Eijiro Japan Japan
Higgins, Erin Rose (Junior Member) United Kingdom United Kingdom
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
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