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 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: 13562 (of which 533 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11067.


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Name Location▼ NCA adherence
Hänel, Andreas Germany Germany
Heinkelmann, Robert Germany Germany
Hillebrandt, Wolfgang Germany Germany
Harris, Alan William Germany Germany
Henning, Thomas Germany Germany
Husemann, Bernd Germany Germany
Hessman, Frederic Victor Germany Germany
Hanuschik, Reinhard Germany Germany
Hamers, Adrian Sven (Junior Member) Germany United States
Hoffmann, Susanne M (Junior Member) Germany Germany
Henkel, Christian Germany Germany
Horns, Dieter Germany Germany
Hainaut, Olivier R Germany Germany
Hamann, Wolf-Rainer Germany Germany
Hussain, Gaitee A. J. Germany Germany
Hillaris (or CHEILARIS), Alexander E. Greece Greece
Harsoula, Mirella K. Greece Greece
Hatzidimitriou, Despina Greece Greece
Hantzios, Panayiotis Greece Greece
Hegedüs, Tibor Hungary Hungary
Horvath, Istvan Hungary Hungary
Hasan, S. Sirajul India India
Hota, Ananda India India
Hanasoge, Shravan M India India
Herdiwijaya, Dhani Indonesia Indonesia
Hidayat, Taufiq Indonesia Indonesia
Hidayat, Bambang Indonesia Indonesia
Hamedivafa, Hashem Iran, Islamic Rep of Iran, Islamic Rep of
Haghi, Hosein Iran, Islamic Rep of Iran, Islamic Rep of
Hasan, Ahmed (Junior Member) Iraq Turkey
Hanlon, Lorraine O. Ireland Ireland
Horesh, Assaf Israel Israel
Held, Enrico V. Italy Italy
Hunt, Leslie Italy Italy
HANDA , Toshihiro Japan Japan
HORIUCHI, Ritoku Japan Japan
Hanaoka, Yoichiro Japan Japan
HANADO, Yuko Japan Japan
HORAGUCHI , Toshihiro Japan Japan
HONMA , Mareki Japan Japan
HAGIWARA, Yoshiaki Japan Japan
Honda, Satoshi Japan Japan
HAMABE, Masaru Japan Japan
HOZUMI, Shunsuke Japan Japan
HIRAO, Takanori Japan Japan
HAZUMI, Masashi Japan Japan
HAYASHI, Yoshi-Yuki Japan Japan
Hayashi, Masahiko Japan Japan
HIDEKI, Asada Japan Japan
HATTORI , Makoto Japan Japan
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