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: 12384.


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Name▼ Location NCA adherence
MacTaggart, David United Kingdom United Kingdom
Madau, Piero United States United States
Maddalena, Ronald J United States United States
Madden, Suzanne France France
Maddison, Sarah T. Australia Australia
Maddox, Natasha Marie United Kingdom United Kingdom
Maddox, Stephen United Kingdom United Kingdom
Madej, Jerzy Poland Poland
Madjarska-Theissen, Maria S. Germany Germany
Madore, Barry Francis United States United States
Madsen, Claus Denmark Denmark
Madsen, Jes Denmark Denmark
Madura, Thomas I United States United States
MAEDA, Keiichi Japan Japan
MAEDA, Kei-ichi Japan Japan
MAEDA, Yoshitomo Japan Japan
Maeder, Andre Switzerland Switzerland
MAEHARA, Hideo Japan Japan
MAEHARA, Hiroyuki Japan Japan
Maercker, Matthias Sweden Sweden
Maffione, Nicolás Pablo Argentina Argentina
Magain, Pierre Belgium Belgium
Magakian, Tigran Y. Armenia Armenia
Magalhaes, Antonio Mario Brazil Brazil
Magee-Sauer, Karen P. United States United States
Maggio, Antonio Italy Italy
Magnani, Loris Alberto United States United States
Magnier, Eugene A. United States United States
Magnusson, Per Sweden Sweden
Magorrian, Stephen J. United Kingdom United Kingdom
Magrini, Laura Italy Italy
Magris, Gladis C. Venezuela Venezuela
Maguire, Kate L. Ireland Ireland
Maguire-Rajpaul, Vinesh (Junior Member) United Kingdom United Kingdom
Magyar, Norbert (Junior Member) Belgium Belgium
Mahabal, Ashish United States United States
Mahajan, Smriti India India
Maharaj, Sunil South Africa South Africa
Mahdi, Hareth S Iraq Iraq
Maheswaran, Murugesapillai United States United States
Mahoney, Terence J. Spain Spain
Mahony, Elizabeth K Australia Australia
Mahtessian, Abraham P. Armenia Armenia
Mahy, Laurent Belgium Belgium
Maia, Francisco F. S. Brazil Brazil
Maia, Márcio Roberto de Garcia Brazil Brazil
Maier, Christian Austria Austria
Maigurova, Nadiia Vasilivna Ukraine Ukraine
Maillard, Jean-Pierre France France
Maindl, Thomas I Cyprus Austria
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