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
Nikolov, Nikolay United States United States
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
Ninković, Slobodan Serbia, Republic of Serbia, Republic of
Nipoti, Carlo Italy Italy
NISHI, Ryoichi Japan Japan
NISHIKAWA , Jun Japan Japan
Nishimura, Tetsuo United States United States
NISHIMURA, Atsushi Japan Japan
NISHIMURA, Masayoshi Japan Japan
NISHIMURA, Nobuya Japan Japan
NISHIMURA, Osamu Japan Japan
NISHIMURA, Shiro Japan Japan
NISHIMURA , Jun Japan Japan
NISHIO , Masanori Japan Japan
Nissanke, Samaya Michiko Netherlands Netherlands
Nissen, Poul Erik Denmark Denmark
Nita, Gelu M United States United States
Nitschelm, Christian Henri Robert Chile Chile
Nitta, Nariaki V United States United States
NITTA, Atsuko United States United States
NITTA , Shin-ya Japan Japan
Nityananda, Rajaram India India
NIWA, Yoshito Japan Japan
Nixon, Conor Andrew United States United States
Nizamov, Bulat Alikovich (Junior Member) Russian Federation Russian Federation
Nkundabakura, Pheneas AA-Country unknown Ethiopia
Nobili, Anna M. Italy Italy
Noble, Jennifer A. France France
Nóbrega Siverio, Daniel E. (Junior Member) Norway Norway
NOBUKAWA, Kumiko K. Japan Japan
NOBUKAWA, Masayoshi Japan Japan
Nocera, Luigi Italy Italy
NODA, Manabu Japan Japan
Noels, Arlette Belgium Belgium
Noel-Storr, Jacob Netherlands United States
Noerdlinger, Peter D. United States United States
NOGAMI, Daisaku Japan Japan
NOGUCHI , Kunio Japan Japan
NOGUCHI , Masafumi Japan Japan
NOH, Hyerim Korea, Rep of Korea, Rep of
Nokhrina, Elena E. Russian Federation Russian Federation
Nolan, Michael C. United States United States
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