Registration & Abstract submission

Early registration fee
(until May 26, 2025)
Late registration fee
(until June 23, 2025)
On-site participation
Student 320 EUR495 EUR
Regular420 EUR495 EUR
Accompanying guest150 EUR150 EUR
Young Astronomers Mixer (extra fee)22 EUR22 EUR
Virtual participation
Regular85 EUR85 EUR

The registration fee contains the costs for all coffee breaks and lunches, the conference dinner, the use of conference facilities, and the conference shuttle bus. Accommodation and travel should be booked independently.

The fee for accompanying guests includes all coffee breaks, lunches and the conference dinner.


Abstract submission

We envisage 4 types of contributions, namely, invited talks, contributed talks, physical posters, and online-only posters. The following rules apply:

  • Talks and (physical) posters require in-person attendance. (We expect talks to be delivered in person, but exceptions will be considered by the SOC for geopolitical or financial constraints that impact a speaker’s ability to travel. Please contact the SOC if you have any concerns).
  • Online-only posters can only be applied for by online participants.
  • Each participant is entitled to a maximum of 2 talk and 2 poster abstract submissions.
  • There is a limit of 1 accepted oral contribution (invited or contributed) and 2 accepted posters per participant as main author.

Important Dates

The following key dates are envisaged (subject to change):

  • July 2024: Announcement of the TASC9/KASC16 Workshop during the TASC8/KASC15 Workshop.
  • 20 December 2024: First announcement.
  • 17 February 2025: Second announcement. Registration and abstract submission open.
  • 25 April 2025: Deadline for student registration waiver applications.
  • 2 May 2025: Deadline for contributed talk abstracts. 
  • 26 May 2025: Deadline for (physical) poster abstracts. Early registration payment closes.
  • 23 June 2025: Deadline for online-only poster abstracts. Late registration and online-only registration payment close.
  • 7-11 July 2025: TASC9/KASC16 Workshop

Important Information

We do not send emails to book your accommodation. If you receive such an email, this is a scam!

Payment confirmation
You will receive written confirmation of your payment and the successful registration via email. This might take a few hours or days. Please carefully check your inbox to make sure you received both emails.
Should you have any questions, don’t hesitate to contact us tasc9-kasc16@ista.ac.at

Invoice and receipt
While we do accommodate payments (bank transfer) via invoice in very special cases, we encourage the use of credit card payments for smoother processing. If possible, we kindly ask that you consider this option.

However, if you already registered, unfortunately we cannot issue invoices retroactively, only prior to the payment. You can download your order confirmation after a successful registration.

Student registration waiver
A few registration fee waivers sponsored by the White Dwarf Research Corporation (WDRC) for on-site participation are available for students. Award of a waiver is conditional on the student presenting a result (poster or talk) at the conference. To apply, please fill out the application form, even if you have already indicated interest in the registration form.

25 April 2025: Deadline for student registration waiver applications.

Cancellation policy
Cancellation requests must be submitted via email tasc9-kasc16@ista.ac.at

Fees will be refunded according to the following policy:

  • 90% refund until June 7, 2025 (10% to account for administrative costs)
  • 50% refund until June 22, 2025
  • No refund from June 23, 2025

Organizers shall not be liable for refunds should visas not be obtained.


ISTA processes your personal data in accordance with the statutory data protection regulations. For more information including processing of your data for the purpose of event registration, contract management (conferences for which we charge a fee) and your rights as a data subject please refer to our data privacy statement. With your registration you accept our data privacy statement.