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: 12743 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12378.


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Name Location▼ NCA adherence
Lindegren, Lennart Sweden Sweden
Leenaarts, Jorrit Sweden Sweden
Larsson, Josefin Sweden Sweden
Larsson, Bengt EM Sweden Sweden
Larsson, Stefan Sweden Sweden
Lind, Karin Sweden Germany
Lundqvist, Peter Sweden Sweden
Lundstedt, Henrik Sweden Sweden
Linde, Peter Sweden Sweden
Lundstrom, Ingemar Sweden Sweden
Lagerkvist, Claes-Ingvar Sweden Sweden
Lehnert, Bo P. Sweden Sweden
Löfdahl, Mats G. Sweden Sweden
Le Bail, Karine Sweden United States
Lindqvist, Michael Sweden Sweden
Liebendörfer, Matthias Switzerland Switzerland
Lilly, Simon J. Switzerland Switzerland
Locher, Kurt H. Switzerland Switzerland
Ligterink, Niels F.W. (Junior Member) Switzerland Switzerland
Lendl, Monika Switzerland Switzerland
Lovis, Christophe Switzerland Switzerland
Luangtip, Wasutep Thailand Thailand
Lukyanyk, Igor V. Ukraine Ukraine
Lozitskij, Vsevolod Ukraine Ukraine
Lyubimkov, Leonid S. Ukraine Russian Federation
Lupishko, Dmitrij F. Ukraine Ukraine
Lashko, Mykhaylo Ukraine Ukraine
Lyubchik, Yuri Ukraine Ukraine
Latif, Muhammad Abdul United Arab Emirates United Arab Emirates
Lynas-Gray, Anthony Eugene United Kingdom United Kingdom
Lewis, Fraser W United Kingdom United Kingdom
Lamb, Gavin P (Junior Member) United Kingdom United Kingdom
Ilidio, Ilidio P. United Kingdom Portugal
Lyman, Joseph David United Kingdom United Kingdom
Lintott, Chris John United Kingdom United Kingdom
Lloyd, Myfanwy United Kingdom United Kingdom
Lyon, Ian C. United Kingdom United Kingdom
Laing, Robert United Kingdom Germany
Love, Gordon D. United Kingdom United Kingdom
Loveday, Jon N. United Kingdom United Kingdom
Liddle, Andrew United Kingdom United Kingdom
Lyne, Andrew G. United Kingdom United Kingdom
Lucey, John United Kingdom United Kingdom
Lasenby, Anthony United Kingdom United Kingdom
Loaring, Nicola Suzanne United Kingdom South Africa
LAPORTE, Nicolas United Kingdom United Kingdom
Lacerda, Pedro United Kingdom Germany
Longmore, Steven Neil United Kingdom United Kingdom
Lahav, Ofer United Kingdom United Kingdom
Leahy, J. Patrick United Kingdom United Kingdom
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