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: 12737 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12372.


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Name▼ Location NCA adherence
Taak, Yoon Chan (Junior Member) United States United States
Taam, Ronald Everett United States United States
Taani, Ali A. Jordan Jordan
Tabatabaei, Fatemeh Iran, Islamic Rep of Iran, Islamic Rep of
Tabone, Benoît (Junior Member) Netherlands Netherlands
Tacconi, Linda J. Germany Germany
Tacconi-Garman, Lowell E. Germany Germany
TACHIHARA , Kengo Japan Japan
Tadross, Ashraf Latif Egypt Egypt
Tafalla, Mario Spain Spain
Tafoya, Daniel Sweden Sweden
Tagger, Michel France France
taghizadeh firouzjaee, javad Iran, Islamic Rep of Iran, Islamic Rep of
Tagliaferri, Gianpiero Italy Italy
TAGOSHI, Hideyuki Japan Japan
Taha, Anas Salman (Junior Member) Iraq Iraq
Tahani, Kianoosh (Junior Member) Canada Canada
Tailo, Marco Italy Italy
Tajfirouze, Edris United Kingdom United Kingdom
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, Jun 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
Takalana, Charles Mpho (Junior Member) South Africa South Africa
TAKAMI, Kentaro Japan Japan
TAKANASHI, Naohiro 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
TAKEDA, Hidenori Japan Japan
TAKEDA, Yoichi Japan Japan
TAKEI, Dai Japan Japan
TAKEI, Yoh Japan Japan
TAKEKOSHI, Tatsuya Japan Japan
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