Registration and Fee

For registering or applying for an IAU travel grant please consider the following information.
IAU grant application deadline: April 25, 2021.

Registration and abstract submission deadline: July 31, 2021.

After registering, any changes can be done from “Admin Area” until registration deadline.
For in-person participation the fee is 250 EUR, while for online participation the fee is 60 EUR. For master and PhD students the fee is reduced to 150 EUR for in-person participation, and respectively 35 EUR for online participation. The fee can be paid by bank transfer (details are available here) or at the registration desk upon the arrival at the Symposium for the in-person participants. We strongly encourage you to pay the fee by bank transfer.
This fee covers the costs of conference registration, electronic version of the Proceedings, conference dinner, lunch and coffee breaks.

For the hardback volume of the Proceedings the extracost is 70 EUR.

In case the health situation does not improve, all activities will be held in full remote connection, both for speakers and participants. A final decision will be taken at end of June 2021. Participants are kindly asked not to commit expenses related to the Symposium (flight booking, hotel, etc.) before the final decision is taken.

The IAU supports qualified scientists to whom only limited means are available, e.g., colleagues from economically less privileged countries and young or retired scientists. The participants wishing to apply for an IAU travel grant should fill the below form, not later than April 25, 2021. The grant decision will be communicated by June 30, 2021.

In case you have an account on the website of the Symposium 364, either as applicant for an IAU grant or as registered participant, please login to your account (, confirm that you are interested in attending the symposium and modify, at your convenience, the details of the IAU grant application or registration.

New participants are requested to register or to apply for an IAU grant at the following external web site:

Go to Registration