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: 12428 (of which 1084 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12099.


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Name▼ Location NCA adherence
McLean, Ian S. United States United States
McMahon, Richard G. United Kingdom United Kingdom
McMillan, Paul James Sweden Sweden
McMillan, Robert S. United States United States
McMullin, Joseph Peter United Kingdom United States
McNamara, Paul W Netherlands Netherlands
McNeil, Stephen R. United States United States
McQuinn, Kristen B. W. United States United States
McQuinn, Matthew United States United States
McSwain, M. Virginia United States United States
Md, Sanam Suraj India India
Meaburn, John United Kingdom United Kingdom
Mebold, Ulrich Germany Germany
Mecheri, Redouane Algeria Algeria
Mediavilla, Evencio Spain Spain
Medina, Etelvina del Carmen Panama Panama
Medina, Jose Spain Spain
Medina, Sac Nicte X. (Junior Member) Germany Germany
Medupe, Rodney T. South Africa South Africa
Medvedev, Yurij D. Russian Federation Russian Federation
Meech, Karen J. United States United States
Meeus, Gwendolyn Spain Spain
Megeath, S. Thomas United States United States
Mehlert, Dörte Germany Germany
Mei, Simona France France
Meibom, Soren United States United States
Meidav, Meir Israel Israel
Meier, Robert R. United States United States
Meikle, William P.S. United Kingdom United Kingdom
Meiksin, A. United Kingdom United Kingdom
Mein, Pierre France France
Meinke, Bonnie K United States United States
Meintjes, Petrus J. South Africa South Africa
Meisel, David D. United States United States
Meisenheimer, Klaus Germany Germany
Meištas, Edmundas G. Lithuania Lithuania
Meixner, Margaret United States United States
Mejuto Gonzalez, Javier Honduras Honduras
Mekarnia, Djamel France France
Mekuria, Remudin Reshid (Junior Member) Ethiopia Ethiopia
Melatos, Andrew Australia Australia
Melbourne, Jason L United States United States
Melchior, Anne-Laure France France
Melekh, Bohdan Ukraine Ukraine
Melendez, Jorge Brazil Brazil
Melendez, Marcio B United States United States
Meli, Prof. Dr. Athina United States Greece
Melia, Fulvio United States United States
Melikian, Norair D. Armenia Armenia
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