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: 12738 (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
YABUTA, Hikaru Japan Japan
Yadav, Jagdish Singh India India
Yadav, Nitin India India
Yadav, Rahul (Junior Member) United States Sweden
Yadav, Sushil (Junior Member) India India
Yadav, Vipin Kumar India India
YAGI, Masafumi Japan Japan
Yague Lopez, Andrés (Junior Member) United States Hungary
Yair, Yoav Y Israel Israel
Yakovlev, Dmitrij G. Russian Federation Russian Federation
Yakovleva, Valerija A. Russian Federation Russian Federation
Yakunin, Ilya Russian Federation Russian Federation
Yakut, Kadri Turkey Turkey
Yallop, Bernard D. United Kingdom United Kingdom
YAMADA, Shimako Japan Japan
YAMADA, Shoichi Japan Japan
YAMADA, Toru Japan Japan
YAMADA, Yoshiyuki Japan Japan
YAMAGATA, Tomohiko Japan Japan
YAMAMOTO, Hiroaki Japan Japan
YAMAMOTO, Satoshi Japan Japan
YAMAMOTO , Masayuki Japan Japan
YAMAMURA , Issei Japan Japan
YAMANAKA, Masayuki Japan Japan
YAMAOKA, Hitoshi Japan Japan
YAMASAKI, Atsuma Japan Japan
YAMASAKI , Noriko Y. Japan Japan
YAMASHITA , Takuya Japan Japan
YAMAUCHI, Aya Japan Japan
YAMAUCHI, Makoto Japan Japan
YAMAUCHI , Shigeo Japan Japan
Yam Gamboa, Joel Omar Mexico Mexico
Yan, Wei Vivyan (Junior Member) United States United States
YAN, Jingzhi China, Nanjing China, Nanjing
YAN, Jun China, Nanjing China, Nanjing
YAN, Lulu (Junior Member) China, Nanjing China, Nanjing
YAN, Xiaoli (Junior Member) China, Nanjing China, Nanjing
YAN, Yan China, Nanjing China, Nanjing
YAN, Yihua China, Nanjing China, Nanjing
YAN, Zhengzhou (Junior Member) China, Nanjing China, Nanjing
YANAGISAWA, Masahisa Japan Japan
Yanamandra-Fisher, Padma A. United States United States
Yanchulova Merica-Jones, Petia T (Junior Member) United States United States
Yang, Guang (Junior Member) Netherlands Netherlands
Yang, Jun Sweden Sweden
Yang, Sheng (Junior Member) Sweden Sweden
YANG, Changgen China, Nanjing China, Nanjing
YANG, Fan (Junior Member) China, Nanjing China, Nanjing
YANG, Haiyan (Junior Member) China, Nanjing China, Nanjing
YANG, Hong-Jin Korea, Rep of Korea, Rep of
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