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 10 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.

Total number of IAU Individual and Junior members: 14043 (of which 719 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11601.


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Name▼ Location NCA adherence
Davis, A. E. L. United Kingdom United Kingdom
Davis, Christopher J. United States United States
Davis, Donald R. United States United States
Davis, Gary R. United Kingdom United Kingdom
Davis, Marc United States United States
Davis, Michael M. United States United States
Davis, Robert J. United States United States
Davis, Tamara M Australia Australia
Davis, Timothy A United Kingdom United Kingdom
Davoust, Emmanuel France France
Dawson, Bruce Australia Australia
Dawson, Joanne R Australia Australia
Dawson, Peter Canada Canada
Dawson, Rebekah Ilene United States United States
Dayal, Pratika Netherlands Netherlands
Daylan, Tansu (Junior Member) United States United States
Dcruz, Noella Lambert United States United States
de Abreu Oliveira, Vinicius Brazil Brazil
de Almeida, Amaury A. Brazil Brazil
Deane, Roger P South Africa South Africa
De Angelis, Ilaria Italy Italy
Dearborn, David Simon Paul United States United States
de Avillez, Miguel A. Portugal Portugal
Débarbat, Suzanne V. France France
De Beck, Elvire Sweden Sweden
De Becker, Michaël D.E. Belgium Belgium
de Bergh, Catherine France France
De Bernardis, Paolo Italy Italy
Debes, John United States United States
De Biasi, Maria S. Argentina Argentina
De Blok, Erwin Netherlands Netherlands
de Boer, Jozua (Junior Member) Netherlands Netherlands
de Bruijne, Jos H.J. Netherlands Netherlands
De Buizer, James M. United States United States
de Carvalho, Reinaldo Ramos Brazil Brazil
de Castro, Elisa Spain Spain
de Castro Milone, André Brazil Brazil
De Cat, Peter Belgium Belgium
Dechev, Momchil Cvetkov Bulgaria Bulgaria
Decin, Leen K.E. Belgium Belgium
De Cock, Mieke Belgium Belgium
Decourchelle, Anne C. France France
De Cuyper, Jean-Pierre M. Belgium Belgium
de Diego Onsurbe, Jose Antonio Mexico Mexico
Deeg, Hans J Spain Spain
de Felice, Fernando Italy Italy
Defraigne, Pascale Belgium Belgium
Defrère, Denis Belgium Belgium
de Gasperin, Francesco Germany Germany
Degenaar, Nathalie D Netherlands Netherlands
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