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 10 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.

Total number of IAU Individual and Junior members: 14043 (of which 719 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11601.


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Name▼ Location NCA adherence
Kohoutek, Lubos Germany Germany
KOIDE , Shinji Japan Japan
KOIKE , Chiyoe Japan Japan
Koivisto, Tomi Sebastian Finland Finland
KOJIMA, Masayoshi Japan Japan
KOJIMA , Yasufumi Japan Japan
Kokhirova, Gulchehra I. Tajikistan Tajikistan
Kokkotas, Konstantinos D Germany Germany
Kokubo, Eiichiro Japan Japan
Kokubun, Motohide Japan Japan
Kolb, Edward W. United States United States
Kolb, Ulrich United Kingdom United Kingdom
Kolb, Vera M. United States United States
Kolbin, Alexander (Junior Member) Russian Federation Russian Federation
Kolenberg, Katrien Belgium Belgium
Kolesnikov, Sergey Ukraine Ukraine
Kolesnyk, Yuriy Ukraine Ukraine
Kolesov, Aleksandr K. Russian Federation Russian Federation
Koleva, Kostadinka Bulgaria Bulgaria
Koljonen, Karri I. I. Finland Finland
Kolka, Indrek Estonia Estonia
Kollamparambil Paul, Arun Babu (Junior Member) Mexico Mexico
Kolláth, Zoltan Hungary Hungary
Kollatschny, Wolfram Germany Germany
Kolobov, Dmitri Yurivich Russian Federation Russian Federation
Kolokolova, Ludmilla United States United States
Kolokythas, Konstantinos South Africa South Africa
Kołomański, Sylwester Poland Poland
Kolomiyets, Svitlana Volodymyrivna Ukraine Ukraine
KOMIYA, Yutaka Japan Japan
KOMIYAMA , Yutaka Japan Japan
Komonjinda, Siramas Thailand Thailand
Kompaneets, Dmitrij A. Russian Federation Russian Federation
KOMUGI, Shinya Japan Japan
Komžík, Richard Milan Slovakia Slovakia
Konacki, Maciej Poland Poland
Konar, Sushan India India
Kondrashova, Nina N. Ukraine Ukraine
Kondratiev, Vladislav I. Russian Federation Russian Federation
Kondratyev, Boris Petrovich Russian Federation Russian Federation
Kondratyeva, Ludmila Kazakhstan Kazakhstan
Kong, Albert China, Taipei China, Taipei
KONG, Xu China, Nanjing China, Nanjing
König, Sabine Sweden Sweden
Konigl, Arieh United States United States
Kononov, Dmitry Russian Federation Russian Federation
Konopacky, Quinn M. United States United States
Konovalenko, Alexander A. Ukraine Ukraine
Konstantinova-Antova, Renada K. Bulgaria Bulgaria
Konstantopoulos, Iraklis Australia Australia
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