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: 12789 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12415.


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Name Location▼ NCA adherence
Kučera, Aleš Slovakia Slovakia
Koza, Julius Slovakia Slovakia
Komžík, Richard Milan Slovakia Slovakia
Kanuchova, Zuzana Slovakia Slovakia
Klacka, Jozef Slovakia Slovakia
Kos, Janez (Junior Member) Slovenia, the Republic of Slovenia, the Republic of
Kolwa, Sthabile N (Junior Member) South Africa South Africa
Knowles, Kenda South Africa South Africa
Kraan-Korteweg, Renée C. South Africa South Africa
Kniazev, Alexei South Africa South Africa
Koen, Marthinus Chris South Africa South Africa
Komin, Nukri South Africa South Africa
Kuhn, Rudolf Bruwer (Junior Member) South Africa South Africa
Kilkenny, David South Africa South Africa
Kotze, Enrico Juan (Junior Member) South Africa South Africa
Korsaga, Marie (Junior Member) South Africa South Africa
khangale, Zwidofhelangani Ndamulelo (Junior Member) South Africa South Africa
Kolokythas, Konstantinos South Africa South Africa
Keitel, David Benjamin Spain Spain
Kessler, Martin Francis Spain Spain
Khomenko, Elena Spain Spain
Kitaura, Francisco Spain Germany
Kehrig, Carolina Spain Spain
Knapen, Johan Hendrik Spain Spain
Kovlakas, Konstantinos (Junior Member) Spain Spain
Kretschmar, Peter Spain Spain
Kemper, Francisca Spain Spain
Kueppers, Michael Spain Spain
Kuckein, Christoph Spain Germany
Kool, Erik Christiaan (Junior Member) Sweden Sweden
Kozma, Cecilia A. Sweden Sweden
Korth, Judith (Junior Member) Sweden Sweden
König, Sabine Sweden Sweden
Knudsen, Kirsten K. Sweden Sweden
Korn, Andreas J. Sweden Sweden
Kero, Johan Sweden Sweden
Kiselman, Dan Sweden Sweden
Kirsten, Franz Sweden Sweden
Kainulainen, Jouni Sweden Sweden
Kaur, Navpreet (Junior Member) Sweden India
Kangas, Tuomas Juho Akseli (Junior Member) Sweden Finland
Kiss, Mózsi Sweden Sweden
Kochukhov, Oleg Sweden Sweden
Kleint, Lucia Switzerland Switzerland
Kunz, Martin Switzerland Switzerland
Kneib, Jean-Paul Switzerland Switzerland
Khamroev, Umedzhon (Junior Member) Tajikistan Tajikistan
Kokhirova, Gulchehra I. Tajikistan Tajikistan
Komonjinda, Siramas Thailand Thailand
Kittara, Phichet Thailand Thailand
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