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: 14106 (of which 719 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11606.


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Name▼ Location NCA adherence
Newman, Michael John United States United States
Newsom, Gerald H. United States United States
Ng, Stephen C.-Y. Hong Kong Hong Kong
NG, Kin-Wang China, Taipei China, Taipei
NGEOW, Chow Choong China, Taipei China, Taipei
Ngo, Henry Hoang Khoi (Junior Member) Canada Canada
Nguyễn, Thao Thi Vietnam Vietnam
Nguyễn, Lan Quynh Vietnam Vietnam
Nguyễn , Khanh Van Vietnam Vietnam
Nguyễn, Phuong Thi Minh Vietnam Vietnam
Nguyen-Quang, Rieu France France
NHA, Il Seong Korea, Rep of Korea, Rep of
Niarchos, Panagiotis George Greece Greece
Nicastro, Luciano Italy Italy
Nice, David J. United States United States
Nichols, Joy United States United States
Nickeler, Dieter H. Czech Republic Czech Republic
Nicolaidis, Efthymios Greece Greece
Nicolaou, Georgios (Junior Member) United Kingdom Cyprus
Nicolas, Kenneth Robert United States United States
Nicoll, Jeffrey Fancher United States United States
Nicollier, Claude Switzerland Switzerland
Nicolson, George D. South Africa South Africa
Nicolson, Iain United Kingdom United Kingdom
NIE, Jundan (Junior Member) China, Nanjing China, Nanjing
Niedner, Malcolm B. United States United States
Niedzielski, Andrzej Poland Poland
Niell, Arthur E. United States United States
Nielsen, Krister E United States United States
Niemczura, Ewa Poland Poland
Niemi, Aimo Finland Finland
Nieuwenhuijzen, Hans Netherlands Netherlands
Nieva, Maria Fernanda Germany Germany
Nigoche-Netro, Alberto A Mexico Mexico
NIINUMA, Kotaro Japan Japan
Nikiforov, Igor I. Russian Federation Russian Federation
Nikoghossian, Arthur G. Armenia Armenia
Nikoghosyan, Elena H Armenia Armenia
Nikolajuk, Marek Poland Poland
Nikoli'c, Silvana Chile Chile
Nikolov, Grigor Boykov (Junior Member) Bulgaria Bulgaria
Nilsson, Hampus Sweden Sweden
Nilsson, Kari J. Finland Finland
Nilsson, Tobias Jan Sweden Germany
Nina, Aleksandra M. Serbia, Republic of Serbia, Republic of
Ninan, Joe Philip (Junior Member) United States India
Nindos, Alexander Greece Greece
NING, Xiaoyu China, Nanjing China, Nanjing
NING, Zongjun China, Nanjing China, Nanjing
Ninkov, Zoran United States United States
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