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: 12754 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12383.


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Name▼ Location NCA adherence
MATSUDA, Frederick Takayuki Japan Japan
MATSUDA , Takuya Japan Japan
MATSUHARA , Hideo Japan Japan
MATSUI, Takafumi Japan Japan
MATSUMOTO, Hironori Japan Japan
MATSUMOTO, Katsura Japan Japan
MATSUMOTO, Ryoji Japan Japan
MATSUMOTO, Tomoaki Japan Japan
MATSUMOTO, Toshio Japan Japan
MATSUMURA, Masafumi Japan Japan
MATSUMURA, Tomotake Japan Japan
MATSUNAGA, Noriyuki Japan Japan
MATSUO, Hiroshi Japan Japan
MATSUO, Taro Japan Japan
MATSUOKA, Kenta Japan Japan
MATSUSHITA, Kyoko Japan Japan
MATSUSHITA, Satoki China, Taipei China, Taipei
Matsuura, Mikako United Kingdom United Kingdom
Matsuura, Oscar T. Brazil Brazil
MATSUURA, Shuji Japan Japan
Matt, Giorgio Italy Italy
Matteucci, Francesca Italy Italy
Matthews, Allison (Junior Member) United States United States
Matthews, Brenda C. Canada Canada
Matthews, Jaymie Canada Canada
Matthews, Lynn D. United States United States
Matthews, Sarah Anna United Kingdom United Kingdom
Mattila, Kalevi Finland Finland
Mattila, Seppo Finland Finland
Mattox, John Richard United States United States
Mattsson, Lars Sweden Sweden
Maturi, Matteo Germany Germany
Matz, Steven Michael United States United States
Matzner, Christopher D Canada Canada
Matzner, Richard A. United States United States
Mauas, Pablo Jacobo David Argentina Argentina
Mauche, Christopher W. United States United States
Maucherat, Jean France France
Mauduit, Jean-Christophe France France
Mauerhan, Jon Christian United States United States
Maughan, Ben United Kingdom United Kingdom
Maurício, Paulo José Portugal Portugal
Mauro, Francesco Chile Chile
Maurogordato, Sophie France France
Maury, Alain J. Chile Chile
Maury, Anaëlle France France
Maurya, Ram Ajor India India
Mavromichalaki, Helen Greece Greece
Mawet, Dimitri Paul United States United States
Max, Claire E. United States United States
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