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 members:13675 (of which 534 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11126.


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Name▼ Location NCA adherence
Taam, Ronald Everett United States United States
Taani, Ali Abdel Kareem Jordan Jordan
Tabone, Benoît (Junior Member) Netherlands Netherlands
Tacconi, Linda J. Germany Germany
Tacconi-Garman, Lowell E. Germany Germany
TACHIHARA , Kengo Japan Japan
Taddia, Francesco Sweden Sweden
Tadross, Ashraf Latif Egypt Egypt
Tafalla, Mario Spain Spain
Tagger, Michel France France
taghizadeh firouzjaee, javad Iran, Islamic Rep of Iran, Islamic Rep of
Tagliaferri, Gianpiero Italy Italy
TAGOSHI, Hideyuki Japan Japan
TAKABA , Hiroshi Japan Japan
TAKADA, Masahiro Japan Japan
TAKADA-HIDAI, Masahide Japan Japan
TAKAGI , Toshinobu Japan Japan
TAKAHARA, Fumio Japan Japan
TAKAHARA, Mariko Japan Japan
TAKAHASHI, Hidenori Japan Japan
TAKAHASHI, Hiromitsu Japan Japan
TAKAHASHI, Hiroyuki R. Japan Japan
TAKAHASHI, Junko Japan Japan
TAKAHASHI, Kunio Japan Japan
TAKAHASHI, Masaaki Japan Japan
TAKAHASHI, Rohta Japan Japan
TAKAHASHI, Ryuichi Japan Japan
TAKAHASHI, Tadayuki Japan Japan
TAKAHASHI , Koji Japan Japan
TAKAMI, Kentaro Japan Japan
TAKANO, Shuro Japan Japan
TAKANO, Toshiaki Japan Japan
TAKASAO, Shinsuke (Junior Member) Japan Japan
TAKASHI, Hasegawa Japan Japan
TAKATA, Masao Japan Japan
TAKATA, Tadafumi Japan Japan
TAKATO , Naruhisa Japan Japan
TAKEDA, Hidenori Japan Japan
TAKEDA , Yoichi Japan Japan
Takei, Dai Japan Japan
TAKEI, Yoh Japan Japan
TAKEUCHI , Tsutomu T. Japan Japan
Takey, Ali Egypt Egypt
TAKIZAWA , Motokazu Japan Japan
Talbi, Dahbia France France
Tallon, Michel France France
Tallon-Bosc, Isabelle France France
Tal-Or, Lev (Junior Member) Israel Israel
Tamazian, Vakhtang S. Spain Armenia
Tamm, Antti Estonia Estonia
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