Are there any members of the International Astronomical Union that are active on the Astronomy Stack Exchange?

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    $\begingroup$ At least none of them have that information in their profile. $\endgroup$
    – Glorfindel
    Feb 15, 2020 at 11:01
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    $\begingroup$ It is not considered good behavior to ask members for personal information, like if they are a member or a particular organization. Note this could be interpreted as "phishing". As you don't provide any profile info yourself it's doubly inappropriate to ask others for personal info. $\endgroup$ Feb 15, 2020 at 22:56
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    $\begingroup$ Are you a republican? I have some questions... $\endgroup$
    – ProfRob
    Feb 16, 2020 at 9:21
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    $\begingroup$ Nice one, @RobJeffries. $\endgroup$ Feb 16, 2020 at 14:17
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    $\begingroup$ Closing the question prevents people from posting answers. Considering that (at least) one user has already posted a well-received answer, closing is a bad idea. voting to leave open! $\endgroup$
    – uhoh
    Feb 23, 2020 at 4:11

1 Answer 1


I am an IAU Member but a lot of professional astronomers, particularly junior scientists, aren't. The membership rules are slightly weird/archaic. You can only apply to join every three years when they are going to be holding the General Assembly (Past General Assemblies, next General Assembly will be in Busan, Korea in 2021). You have to submit a qualified application to the national astronomy body in the country you are practicing astronomy in, normally with a deadline of ~December in the previous year. (For me this meant to the National Academies as the USA National Committee for Astronomy (NCA) even though I am British and got my Astronomy PhD in the UK).


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