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: 12738 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12372.


A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Name▼ Location NCA adherence
OBA, Takayoshi Japan Japan
Oberg, Karin I United States United States
Oberoi, Divya India India
Oberst, Jürgen Germany Germany
Oberst, Thomas E United States United States
Obonyo, Willice Odhiambo Kenya South Africa
Obregón Díaz, Octavio José Mexico Mexico
Obreschkow, Danail Australia Australia
Obridko, Vladimir N. Russian Federation Russian Federation
O'Brien, Paul Thomas United Kingdom United Kingdom
O'Brien, Tim United Kingdom United Kingdom
O'Byrne, John W. Australia Australia
Ocana Flaquer, Breezy United States United States
Ochsenbein, François France France
O'Connell, Robert F. United States United States
O'Connell, Robert West United States United States
O'Connor, Evan P Sweden Sweden
Ocvirk, Pierre France France
O'Dea, Christopher P. Canada Canada
Odeh, Mohammad Sh. United Arab Emirates United Arab Emirates
O'Dell, Stephen L. United States United States
O'Donoghue, Aileen A United States United States
Oemler Jr, Augustus United States United States
Oesch, Pascal A Switzerland Switzerland
Oey, Sally United States United States
Ofek, Eran Oded Israel Israel
Offner, Stella S. R. United States United States
Offringa, André René Netherlands Netherlands
Ó Fionnagáin, Dúalta (Junior Member) Ireland Ireland
Ofir, Aviv Israel Germany
Ofman, Leon United States United States
Ogando, Ricardo Lourenço Correia Brazil Brazil
OGAWA , Hideo Japan Japan
OGAWARA , Yoshiaki Japan Japan
Ogłoza, Waldemar Poland Poland
OGURA , Katsuo Japan Japan
OGURI, Masamune Japan Japan
OGURI, Shugo Japan Japan
Oh, Junghwan (Junior Member) Netherlands Netherlands
OH, Heeyoung Korea, Rep of Korea, Rep of
OH, Kap Soo Korea, Rep of Korea, Rep of
OH, Kyu-Dong Korea, Rep of Korea, Rep of
OH, Sang Hoon Korea, Rep of Korea, Rep of
OH, Suyeon Korea, Rep of Korea, Rep of
Ohashi, Masatake Japan Japan
Ohashi, Nagayoshi China, Taipei United States
OHISHI, Masatoshi Japan Japan
Ohnaka, Keiichi Chile Chile
OHNISHI , Kouji Japan Japan
OHTA , Kouji Japan Japan
  1 | 2 | 3 | 4 | 5 Next »
Showing 1 to 50 of 210

Search Members