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: 13581 (of which 533 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11090.


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Name Location▼ NCA adherence
HIROSE, Shigenobu Japan Japan
HASEGAWA, Sunao Japan Japan
HASEGAWA , Tetsuo Japan Japan
HASHIMOTO , Masa-aki Japan Japan
HASHIMOTO , Osamu Japan Japan
HATSUKADE, Bunyo Japan Japan
HATSUKADE , Isamu Japan Japan
HATTORI , Makoto Japan Japan
HOZUMI, Shunsuke Japan Japan
Hayashi, Masahiko Japan Japan
HAYASHI, Yoshi-Yuki Japan Japan
HAZUMI, Masashi Japan Japan
HOSHINO, Masahiro Japan Japan
HIRAMATSU, Masaaki Japan Japan
HANAWA, Tomoyuki Japan Japan
HIEI, Eijiro Japan Japan
HIGUCHI, Aya Japan Japan
HABE , Asao Japan Japan
HACHISU , Izumi Japan Japan
HIRABAYASHI, Hisashi Japan Japan
HIRATA , Ryuko Japan Japan
HIROMOTO , Norihisa Japan Japan
HIROTA , Tomoya Japan Japan
Honda, Satoshi Japan Japan
HONMA , Mareki Japan Japan
HAMABE, Masaru Japan Japan
HOSOKAWA, Mizuhiko Japan Japan
HAN, Wonyong Korea, Rep of Korea, Rep of
HWANG, Junga Korea, Rep of Korea, Rep of
Hyung, Siek Korea, Rep of Korea, Rep of
HWANG , Jai-chan Korea, Rep of Korea, Rep of
HUR, Hyeonoh Korea, Rep of Korea, Rep of
HAN, Cheongho Korea, Rep of Korea, Rep of
HOANG, Thiem Chi Korea, Rep of Korea, Rep of
HAYASAKI, Kimitake Korea, Rep of Korea, Rep of
HAN, Inwoo Korea, Rep of Korea, Rep of
HWANG, Ho Seong Korea, Rep of Korea, Rep of
HWANG, Narae Korea, Rep of Korea, Rep of
HAMIDI, ZETY SHARIZAT BINTI (Junior Member) Malaysia Malaysia
Hashim, Norsiah (Junior Member) Malaysia Malaysia
Heeralall-Issur, Nalini Mauritius AA-Country unknown
Hernández, Xavier Mexico Mexico
Henney, William John Mexico Mexico
Hiriart, David Mexico Mexico
Hughes, David H. Mexico Mexico
Hueyotl-Zahuantitla, Filiberto (Junior Member) Mexico Mexico
Heras, Ana M. Netherlands Netherlands
Hutter, Anne (Junior Member) Netherlands Netherlands
Hessels, Jason W T Netherlands Netherlands
Heise, John Netherlands Netherlands
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