Individual Members

Professional scientists whose research is directly relevant to some branch of astronomy are eligible for election as Individual Members. Individual Members are, normally, admitted by the Executive Committee on the proposal of a National Member.

Individual 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

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 members:12660. Number of Individual Members in the IAU Directory: 10086

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Name Location NCA adherence
OTSUKA, Masaaki China Taipei China Taipei
OTSUKI, Kaori Japan Japan
Ott, Juergen A. United States United States
OUCHI , Masami Japan Japan
Oudmaijer, Rene United Kingdom United Kingdom
Ovcharov, Evgeni Petev Bulgaria Bulgaria
Overzier, Roderik A. Brazil Brazil
Owen, Frazer Nelson United States United States
Owen Jr, William Mann United States United States
Owers, Matthew S Australia Australia
Owis, Ashraf H Egypt Egypt
Owocki, Stanley Peter United States United States
OYA, Shin United States United States
OYABU, Shinki Japan Japan
OZAKI , Masanobu Japan Japan
OZEKI , Hiroyuki Japan Japan
Özel, Mehmet Emin Turkey Turkey
Özgüç, Atila Turkey Turkey
Oezisik, Tuncay Turkey Turkey
Ozkan, Mustafa Turker Turkey Turkey
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