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

Total number of IAU members:11353. Number of Individual Members in the IAU Directory: 9188

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Name Location NCA adherence
Úbeda, Leonardo United States United States
Ubertini, Pietro Italy Italy
UCHIDA , Juichi Japan Japan
ud-Doula, Asif United States United States
Udalski, Andrzej Poland Poland
Udaya, Shankar N. India India
Uddin, Wahab India India
Udovichenko, Sergei N. Ukraine Ukraine
Udry, Stephane Switzerland Switzerland
UEDA, Haruhiko Japan Japan
UEDA , Yoshihiro Japan Japan
UEMURA , Makoto Japan Japan
UENO, Munetaka Japan Japan
Ueta, Toshiya United States United States
Ugolnikov, Oleg Stanislavovich Russian Federation Russian Federation
UKITA , Nobuharu Japan Japan
Ulla Miguel, Ana Maria Spain Spain
Ulmer, Melville P. United States United States
Ulmschneider, Peter Germany Germany
Ulrich, Marie-Helene D. Germany Germany
Ulrich, Roger K. United States United States
Ulvestad, James Scott United States United States
Ulyanov , Oleg Mihajlovich Ukraine Ukraine
Umana, Grazia Italy Italy
UMEDA, Hideyuki Japan Japan
UMEMOTO , Tomofumi Japan Japan
UMEMURA , Masayuki Japan Japan
Unda-Sanzana, Eduardo Chile Chile
UNNO , Wasaburo Japan Japan
Unwin, Stephen C. United States United States
Uomoto, Alan United States United States
Upgren, Arthur R. United States United States
Urama, Johnson O. Nigeria Nigeria
URATA, Yuji China Taipei China Taipei
Urban, Sean E. United States United States
Urbanik, Marek Poland Poland
Ureche, Vasile Romania Romania
Urov sevi'c, Dejan V. Serbia, Republic of Serbia, Republic of
Urquhart, James Stuart Australia Australia
Urry, Claudia Megan United States United States
Usenko, Igor Ukraine Ukraine
Usher, Peter D. United States United States
Uslenghi, Michela Italy Italy
Uson, Juan M. France France
Usoskin, Ilya G Finland Finland
Usov, Vladimir V. Israel Israel
Usowics, Jerzy Bogdan Poland Poland
USUDA, Tomonori United States United States
Utrobin, Victor P. Russian Federation Russian Federation
UTSUMI , Kazuhiko Japan Japan
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