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: 12428 (of which 1084 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12099.


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Name▼ Location NCA adherence
YU, Po-Chieh China, Taipei China, Taipei
YU, Qingjuan China, Nanjing China, Nanjing
YU, Wenfei China, Nanjing China, Nanjing
YU, Yun-Wei China, Nanjing China, Nanjing
Yuan, Weimin China, Nanjing China, Nanjing
YUAN, Feng China, Nanjing China, Nanjing
YUAN, Haibo China, Nanjing China, Nanjing
YUAN, Qiang (Junior Member) China, Nanjing China, Nanjing
YUAN, Qirong China, Nanjing China, Nanjing
YUAN, Xiangyan China, Nanjing China, Nanjing
YUAN, Ye-fei China, Nanjing China, Nanjing
YUASA, Manabu Japan Japan
Yüce, Kutluay Turkey Turkey
YUI, Yukari Y. Japan Japan
YUJI , Ikeda Japan Japan
Yuma, Suraphong Japan Thailand
YUMIKO , Oasa Japan Japan
YUMIN, Wang Yu China, Nanjing China, Nanjing
Yun, Joao L. Portugal Portugal
Yun, Min S. United States United States
YUN, Hong-Sik Korea, Rep of Korea, Rep of
YUN, Youngjoo Korea, Rep of Korea, Rep of
Yung, L. Y. Aaron (Junior Member) United States United States
Yungelson, Lev R. Russian Federation Russian Federation
Yusef-Zadeh, Farhad United States United States
Yushchenko, Alexander V. Ukraine Ukraine
Yushkin, Maxim V. Russian Federation Russian Federation
Yusof, Norhasliza Malaysia Malaysia
YUTAKA , Shiratori Japan Japan
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