YOU ARE HERE: Home > Membership > How to join > How to join the IAU

I want information on:

Information for:

How to join

How to join the IAU

Individual Membership:

If you are a professional, 'active' astronomer and your home or long-term residence is in the UK you are invited to apply for individual membership of the IAU.

Professional scientists whose research is directly relevant to some branch of astronomy are eligible for election as Individual Members. Individual Members are, normally, admitted by the IAU Executive Committee on the proposal of a National Member. Information on the qualification for membership and application procedure is now available from the membership officer (This email address is being protected from spambots. You need JavaScript enabled to view it. ). A list of the IAU individual members per country is available on the IAU website.


The RAS, as the UK 'National Member' of the IAU , is responsible for vetting and forwarding nominations to the IAU in time for their consideration at the next General Assembly (GA). The membership fees of successful candidates will be met by the RAS.


The next General Assembly will be held in Vienna, Austria from 20th to 31st August 2018. Details of how to apply for membership are available from the membership officer. The deadline for applications forms to be received by the RAS is 2nd February 2018.

Scientists wishing to attend the  General Assembly  require an invitation. This invitation is automatically extended to all current IAU members, and also, implicitly, to all candidates  being proposed for IAU membership at the GA.  In other cases  would-be attendees normally resident in the UK  should indicate this on the on-line form.

Membership of the RAS (though highly desirable!) is not a requirement for being a UK based individual member of the IAU. Please note that  if your address does not identify you as a professional scientist in a relevant field you should provide a short statement of your status.