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: 12743 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12378.


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Name▼ Location NCA adherence
ISHIGURO, Masato Japan Japan
ISHIHARA, Daisuke Japan Japan
ISHIHARA, Hideki Japan Japan
ISHII, Miki Japan Japan
ISHII, Shun Japan Japan
ISHII, Takako T. Japan Japan
ISHINO, Hirokazu Japan Japan
ISHIYAMA, Tomoaki Japan Japan
ISHIZAKA , Chiharu Japan Japan
ISHIZUKA, Toshihisa Japan Japan
Isik, Emre Germany Germany
Islam, Nazma United States United States
Isliker, Heinz Greece Greece
Ismail, Hamed Abdel-Hamid Egypt Egypt
Ismail, Mohamed Nader Egypt Egypt
Ismayilov, Nariman Zeynalabdi Azerbaijan, Republic of Azerbaijan, Republic of
Israel, Frank P. Netherlands Netherlands
Israel, Gian Luca Italy Italy
Israelian, Garik Spain Spain
Istrate, Alina G. (Junior Member) Netherlands Netherlands
ITA, Yoshifusa Japan Japan
ITO, Kei (Junior Member) Japan Japan
ITO, Takashi Japan Japan
ITOH, Masayuki Japan Japan
ITOH, Naoki Japan Japan
ITOH, Yoichi Japan Japan
ITOH, Yousuke Japan Japan
Ivanchik, Alexandre Vladimirovich Russian Federation Russian Federation
Ivanov, Dmitrii Russian Federation Russian Federation
Ivanov, Evgenij V. Russian Federation Russian Federation
Ivanov, Pavel Borisovich Russian Federation Russian Federation
Ivanov, Vladimir G. Russian Federation Russian Federation
Ivanov, Vsevolod V. Russian Federation Russian Federation
Ivanova, Natalia Canada Canada
Ivanova, Oleksandra Ukraine Ukraine
Ivanova, Violeta Georgieva Bulgaria Bulgaria
Ivans, Inese United States United States
Ivantsov, Anatoliy Belgium Belgium
Ivchenko, Vasily Ukraine Ukraine
Ivezic, Zeljko United States United States
Ivison, Robert J. United Kingdom United Kingdom
IWAI, Kazumasa Japan Japan
IWAMOTO, Nobuyuki Japan Japan
IWAMURO, Fumihide Japan Japan
Iwaniszewska, Cecylia Poland Poland
IWASAKI , Kyosuke Japan Japan
IWATA , Takahiro Japan Japan
IYE, Masanori Japan Japan
Iyer, Balasubramanian R. India India
Iyer, Nirmal Kumar (Junior Member) Sweden Sweden
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