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
Emonts, Bjorn United States Australia
Emsellem, Eric Germany Germany
Emslie, Gordon A. United States United States
Encrenaz, Pierre J. France France
Encrenaz, Therese France France
Engelbrecht, Chris South Africa South Africa
Engels, Dieter Germany Germany
Enginol, Turan B. Turkey Turkey
English, Jayanne Canada Canada
Engrand, Cecile France France
Engvold, Oddbjørn Norway Norway
Enia, Andrea Francesco Maria (Junior Member) Italy Italy
Enoch, Melissa United States United States
ENOKI, Motohiro Japan Japan
ENOTO, Teruaki Japan Japan
Enßlin, Torsten A. Germany Germany
Epishev, Vitali P. Ukraine Ukraine
Eppelbaum, Lev V. Israel Israel
Epstein, Eugene E. United States United States
Erard, Stéphane France France
Erasmus, Nicolas (Junior Member) South Africa South Africa
Ercan, Enise Nihal Turkey Turkey
Erdelyi, Robertus United Kingdom United Kingdom
Érdi, Bálint Hungary Hungary
Ergin, Tülün Turkey Turkey
ERIGUCHI , Yoshiharu Japan Japan
Eriksen, Hans Kristian Norway Norway
Eriksson, Kjell Sweden Sweden
Eriksson, Urban Sweden Sweden
Erkut, Mehmet Hakan Turkey Turkey
Ermolli, Ilaria Italy Italy
Ernest, Allan David Australia Australia
Ershkovich, Alexander Israel Israel
Ertan, Unal Turkey Turkey
ESAMDIN, Ali China, Nanjing China, Nanjing
Escalante, Vladimir Mexico Mexico
Escapa, Alberto Spain Spain
Escartin, Jose A. Spain Germany
Escorza, Ana (Junior Member) Spain Spain
Escoubet, Philippe C. Netherlands Netherlands
Escudero, Carlos Gabriel Argentina Argentina
Eselevich, Maxim Russian Federation Russian Federation
Esenoglu, Hasan Huseyin Turkey Turkey
Esguerra, Jose Perico Henson Philippines Philippines
ESIMBEK, Jarken China, Nanjing China, Nanjing
Esmer, Ekrem Murat (Junior Member) Turkey Turkey
Espada Fernández, Daniel Spain Spain
Espaillat, Catherine C United States United States
Espenak, Fred United States United States
Espey, Brian Russell Ireland Ireland
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