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: 13563 (of which 533 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11068.


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Name▼ Location NCA adherence
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
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
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
Kontar, Eduard P. United Kingdom United Kingdom
Kontizas, Evangelos Greece Greece
Kontizas, Mary Greece Greece
Kontogiannis, Ioannis Germany Greece
Kontorovich, Victor M. Ukraine Ukraine
Koo, David C. United States United States
KOO, Bon-Chul Korea, Rep of Korea, Rep of
Koopmans, Léon V.E. Netherlands Netherlands
Kopacki, Grzegorz Poland Poland
Kopatskaya, Evgenia Nikolaevna Russian Federation Russian Federation
Kopchev, Valentin Stanchev Bulgaria Bulgaria
Kopeikin, Sergei M United States United States
Kopp, Greg United States United States
Kopylov, Alexander I. Russian Federation Russian Federation
Kopylova, Yulia Gennadievna Russian Federation Russian Federation
Korakitis, Romylos Greece Greece
Korcakova, Daniela Czech Republic Czech Republic
Korchagin, Vladimir Russian Federation Russian Federation
Kordi, Ayman S. Saudi Arabia Saudi Arabia
Kordopatis, Georges Germany France
Korhonen, Heidi H. Chile Denmark
Koribalski, Bärbel Silvia Australia Australia
Kormendy, John United States United States
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