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: 12743 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12378.


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Name▼ Location NCA adherence
KATO, Taichi Japan Japan
KATO, Tsunehiko Japan Japan
KATO, Yoshiaki Norway Norway
Katsanikas, Matthaios Greece Greece
Katsavounidis, Erotokritos United States United States
Katsiyannis, Athanassios Belgium Belgium
Katsova, Maria M. Russian Federation Russian Federation
KATSUKAWA, Yukio Japan Japan
Katz, David A. France France
Katz, Jonathan I. United States United States
Kaufer, Andreas Chile Chile
Kauffmann, Guinevere A.M. Germany Germany
Kauffmann, Jens United States United States
Kaufman, Michele United States United States
Kaur, Bhavneet (Junior Member) India India
Kaur, Navpreet (Junior Member) Sweden India
Kausch, Wolfgang Austria Austria
Kavelaars, JJ. Matthew Canada Canada
Kavila, Indulekha India India
Kaviraj, Sugata United Kingdom United Kingdom
KAWABATA, Kiyoshi Japan Japan
KAWABATA, Koji S. Japan Japan
KAWABATA, Yusuke (Junior Member) Japan Japan
KAWABE , Ryohei Japan Japan
KAWAGOE, Shio K. Japan Japan
KAWAGUCHI, Kentarou Japan Japan
KAWAI, Nobuyuki Japan Japan
KAWAKATU , Nozomu Japan Japan
KAWAKITA, Hideyo Japan Japan
Kawaler, Steven D. United States United States
KAWAMURA, Akiko Japan Japan
KAWASAKI , Masahiro Japan Japan
KAWASHIMA, Tomohisa Japan Japan
KAWATE, Tomoko Japan Japan
Kawka, Adela Australia Australia
Kay, Laura E United States United States
Kaydash, Vadym Grygorovych Ukraine Ukraine
Kayhan, Cenk (Junior Member) Turkey Turkey
KAYO, Issha Japan Japan
Kayshap, Pradeep Kumar India India
Kazantsev, Anatolii M. Ukraine Ukraine
Kazantseva, Liliya Ukraine Ukraine
Kazarovets, Elena V. Russian Federation Russian Federation
Kazlauskas, Algirdas S. Lithuania Lithuania
Keane, Evan Francis Ireland United Kingdom
Keating, Brian Gregory United States United States
Kebe, Fatoumata (Junior Member) France France
Kecskemety, Karoly Sandor Hungary Hungary
Kedziora-Chudczer, Lucyna L. Australia Australia
Kee, Nathaniel Dylan (Junior Member) United States United States
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