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: 12754 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12383.


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Name▼ Location NCA adherence
Karampelas, Antonios Greece Greece
Karas, Vladimir Czech Republic Czech Republic
Karatekin, Özgür Belgium Belgium
Karetnikov, Valentin G. Ukraine Ukraine
Karinkuzhi, Drisya (Junior Member) India India
KARINO, Shigeyuki Japan Japan
Karitskaya, Evgeniya A. Russian Federation Russian Federation
Karjalainen, Marie Czech Republic Czech Republic
Karjalainen, Raine Czech Republic Czech Republic
Karlický, Márian Czech Republic Czech Republic
Karoff, Christoffer Denmark Denmark
KAROJI , Hiroshi Japan Japan
Karouzos, Marios United Kingdom Korea, Rep of
Karovicova, Iva Germany Germany
Karovska, Margarita United States United States
Karp, Alan H. United States United States
Karpen, Judith T. United States United States
Karpov, Nikolai V. Ukraine Ukraine
Karpov, Sergey V. Russian Federation Russian Federation
Karska, Agata (Junior Member) Poland Poland
Kartaltepe, Jeyhan S. United States United States
Kartashova, Anna (Junior Member) Russian Federation Russian Federation
Kartha, Sreeja S India India
KARTHICK, CHRISPHIN (Junior Member) India India
Karttunen, Hannu Finland Finland
Karuppusamy, Ramesh Germany Germany
Kasai, Eli Kunwiji (Junior Member) Namibia South Africa
Kascheev, Rafael A. Russian Federation Russian Federation
Kashi, Amit Israel Israel
Kashibadze, Olga G. Russian Federation Russian Federation
KASHIKAWA , Nobunari Japan Japan
Kashyap, Rahul (Junior Member) United States United States
Kashyap, Vinay L. United States United States
Kasiviswanathan, Sankarasubramanian India India
Kasparova, Jana Czech Republic Czech Republic
Kaspi, Shai Israel Israel
Kaspi, Victoria M. Canada Canada
Kassim, Namir E. United States United States
Kassin, Susan United States United States
Kasturirangan, K. India India
KASUGA, Takashi Japan Japan
KASUGA, Toshihiro Japan Japan
Katajainen, Seppo J. Finland Finland
KATAOKA, Akimasa Japan Japan
Kataria, Sandeep Kumar (Junior Member) China, Nanjing India
Katarzynski, Krzysztof Poland Poland
Katkov, Ivan Yurievich Russian Federation Russian Federation
KATO, Ken-ichi Japan Japan
KATO, Mariko Japan Japan
KATO, Shoji Japan Japan
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