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Ringdown in Lisbon, October 19-21 2026

Ringdown-focussed workshops have been held in New York in February 2022 and in Copenhagen in August 2024. For the growing community of people working on this topic, we plan to have the next meeting in 2026.

In the last year, the realm of black hole quasi-normal modes have been more vibrant than ever. The large number of updates is recognisable in the rise of a vibrant, young and motivated community that is pushing the boundaries of where we can test the nature of black holes with gravitational waves observations. The aim of this workshop is to give a space to this community for relaxed discussion session and fostering the birth of collaborations.

If you want to participate to the workshop, please fill in the registration form. Please be aware that the maximum number of partecipants is 100 and priority is given to invited participants. You will need manual confirmation from the organisers to finalise the registration.

Local Organising Commitee

Nicola Franchini, David Hilditch, Rita Sousa

Scientific Organising Commitee

Emanuele Berti, Vitor Cardoso, Gregorio Carullo, Nicola Franchini, David Hilditch

Speakers and Chairs

Marina de Amicis (Perimeter Institute)
Macarena Lagos (Universidad Andres Bello)
Mark H. Y. Cheung (Princeton Univerity) [TBC]Neev Khera (Guelph University)
Lorena Magaña Zertuche (Niels Bohr Institute)
Costantino Pacilio (Università “La Sapienza” of Rome)
Paolo Arnaudo (Southampton University)
Adrien Kuntz (Instituto Superior Técnico)
Marina David (Leuven University)
Jutta Kunz (Oldenburg University)
Joao Cavalcante (ABC Federal University)
Hayato Motohashi (Tokyo Metropolitan University)
Joachim Pomper (Università di Pisa)
Ling Sun (Australian National University)
Chantal Pitte (SISSA)
Alessandra Buonanno (Max Planck Institute – Potsdam)

Workshop Website

Mini Course: Challenges in Modelling and Data Analysis for LISA, May 19-21, 2026, Winston Salem, NC

In person mini-course: This space-based gravitational-wave observatory will revolutionize our understanding of the universe by opening the millihertz window of the gravitational-wave spectrum. This course, consisting of three comprehensive lectures, will provide an overview of LISA’s scientific potential and the complex challenges we face in data analysis, particularly regarding waveform models and signal characterization.

Course Details: Instructor: Carlos F. Sopuerta. Institute of Space Sciences (ICE, CSIC and IEEC).
Dates: May 19th-21st
Contact:  cardenas[AT]wfu.edu
Location: Physics Department, Wake Forest University, Winston Salem, NC

Lecture Overview:

  • Lecture 1: LISA in the Gravitational Wave Landscape (May 19th, 1.5 hours)
  • Lecture 2: Gravitational Waves in the LISA Data Stream (May 20th, 1.5 hours)
  • Lecture 3: The Global Fit Paradigm in LISA Data Analysis (May 21st, 1.5 hours)

Registration: This course is free to attend, but registration is required.
Please register at this link.

Please find here details.

PhD International School on Technologies in Gravitational Waves Detection 2026, May 20-27, Sicily

First edition of the PhD International School on Technologies in Gravitational Waves Detection (STGWD). The event will be held at Ettore Majorana Centre for Scientific Culture in Erice, Sicily (Italy), on May 20th-27th, 2026.

The scientific program includes a theoretical introduction to the fundamental principles of gravitational wave detection, along with lectures and practical sessions dedicated to the main features of ground-based and space-based interferometric detectors, paying particular attention to the following fields:

  • GW theoretical aspects and principia
  • Future GW Observatories
  • Technologies aspects (interferometry, optics, controls, noise mitigation)
  • Data Analysis

The school STGWD is designed primarily for PhD students, recent MSc graduates, final‑year MSc candidates, and early‑career researchers, while remaining open to anyone eager to deepen their expertise.

STGWD aims to foster scientific exchange through dedicated time for discussions, hands‑on activities, and poster sessions. The event offers an excellent opportunity to strengthen connections within the GW community and to expand networks with fellow young researchers as well as established experts.

Registration will be open from 19/01/2026 to 30/04/2026

Payment information are available in the indico page after the pre-registration phase.

Scientific Organizing Committee: M. Punturo, P. Campana, H. Lueck, G. Gemme, D. D’Urso, G. Cella, R. Dolesi, F. Travasso, L. Naticchioni.

School Website

2026 North American Einstein Toolkit Workshop and School, June 15-18 in Urbana

The 2026 edition of the North American Einstein Toolkit Workshop and School is taking place in Urbana, Illinois on June 15 – 18, 2026 at the National Center for Supercomputing Applications (Room 1040).

The Workshop, hosted by the University of Illinois Urbana Champaign, will provide an opportunity for researchers and students to learn about the Einstein Toolkit, a community-driven software platform of core computational tools to advance and support research in relativistic astrophysics and gravitational physics.

The workshop will offer a mixture of talks and tutorials, with the tutorials including basic tutorials for new users and more advanced topics. The talks will, likewise, provide information for new users and will highlight exciting science cases and the latest developments in numerical relativity. On the final day, we will discuss future directions and development.

Limited travel support is available and can be requested via the registration form.

Workshop Website

AI for Gravitational Waves at CERN, May 5–8, 2026 at CERN

As gravitational-wave (GW) observatories enter an era of rapidly increasing detector sensitivity, bandwidth, and data rates—while the machine-learning (ML) ecosystem continues to mature—there is a timely opportunity to bring together the GW and AI communities in a focused setting at CERN.

This workshop will convene researchers from the LIGO–Virgo–KAGRA (LVK) collaboration, the Einstein Telescope (ET), LISA, and the broader CERN AI community to (i) share recent advances, (ii) identify common technical challenges across experiments, and (iii) seed new cross-disciplinary collaborations—especially those relevant to next-generation detectors and real-time analysis. A dedicated focus will be placed on real-time data processing and next-generation triggers, highlighting synergies between GW low-latency pipelines and high-energy physics trigger/DAQ developments.

Workshop format 

The program combines invited keynotes and contributed talks, plus posters and hands-on tutorials:

  • Tuesday: Keynotes (LVK, ET, LISA, AI @ CERN)
  • Wednesday: Contributed talks — AI for detector operations and AI for GW simulationAI for data analysis; keynote on AI tools for edge computing; tutorials
  • Thursday–Friday: Contributed talks — Next-Generation Triggers and AI for real-time data processing; tutorials; closing plenary and discussion on GW collaborations with CERN

Important deadlines

  • Abstract submission for contributed talks deadline – March 25th
  • Poster submissions deadline – March 25th
  • Acceptance announcement – March 26th
  • Registration deadline – May 1st

We welcome contributions for

  • Contributed talks
  • Posters

Scientific committee

  • Elena Cuoco (University of Bologna)
  • Valerie Domcke (CERN)
  • Jan Harms (Gran Sasso Science Institute)
  • Gianluca Inguglia (Austrian Academy of Sciences)
  • Erik Katsavounidis (MIT)
  • Samaya Nissanke (DESY, German Centre for Astrophysics DZA)

Organising committee

  • Katya Govorkova (MIT)
  • Eric Moreno (MIT)
  • Maurizio Pierini (CERN)

Workshop Website

The Interplay of Magnetic Fields, Nuclear Physics, and Nucleosynthesis in Neutron-Star Mergers and Supernovae, September 21-25 2026 in Trento

ECT*-EMMI/GSI workshop
Neutron-star mergers and core-collapse supernovae are among the most promising sites for the synthesis of heavy elements in the universe. These astrophysical phenomena bring together a rich interplay of general relativity, neutrino physics, nuclear reactions, and magneto-hydrodynamics. Among these factors, magnetic fields are increasingly recognized as playing a pivotal role in shaping the dynamics and nucleosynthetic outcomes of these events. Recent observational breakthroughs, from the detection of gravitational waves (e.g., GW170817) with EM counterparts and increasingly detailed supernova spectra, demand a deeper theoretical understanding of how magnetic fields interact with nuclear physics and influence heavy-element nucleosynthesis. At the same time, simulations of these events now routinely include magnetic fields and detailed neutrino transport demonstrating the potential of magneto-rotational supernovae and neutron-star mergers to produce rich nucleosynthesis yields including the heaviest elements produced by the r-process and set the stage for GRB jets.

Given all these recent developments we are at a critical moment to advance the field but there is a need for detailed discussions and interactions among nuclear physicists, astrophysicists, and computational modelers to address key open questions and make the most of the available observational datasets and computational resources. This workshop aims to bring these communities together.

Organizers

Philipp Mösta (University of Amsterdam), p.moesta(at)uva.nl
Almudena Arcones (Technische Universität Darmstadt), almudena.arcones(at)physik.tu-darmstadt.de
Evan O’Connor (Stockholm University), evan.oconnor(at)astro.su.se
Sanjana Curtis (University of Oregon), curtsanj(at)oregonstate.edu

Workshop Website

GWADW2026 – Gravitational-Wave Advanced Detector Workshop, May 17-23, 2026, La Biodola

With more than 250 detected events, the LIGO-Virgo-KAGRA network has successfully concluded on November 18, 2025, the third part of the O4 observing run (O4c). An intense activity to analyze the collected data is ongoing, and in the meantime plans for upgrades toward O5 are prepared, to further increase the number of detected coalescences and with the aim of possibly detect new classes of gravitational wave emitters. 

At the same time, the preparatory work for third generation ground-based interferometers Einstein Telescope and Cosmic Explorer is in full swing, with many R&D activities going on, new laboratories coming online and new concepts being elaborated, while the quality of the candidate sites are assessed. Lots of activities are also surrounding the preparation for the LISA mission, expected to probe a completely different band of the gravitational wave spectrum.

The gravitational wave community worldwide is growing, stimulated by the challenges of new detectors on Earth and in space. The Gravitational Wave Advanced Detector Workshop (GWADW) series is one of the main opportunities worldwide to present the work on detectors leaving, as is tradition, ample space for informal discussions.

The scientific programme will consist of plenary sessions only, with two poster sessions on Tuesday and Thursday afternoon. The daily work schedule will be concentrated in the morning and in the evening leaving room for informal discussions around lunch time.

GWADW 2026 will begin on Sunday, May 17th and finish on early morning of Saturday May 23rd.

Workshop Website

GW Workshop, June 29 – July 3, 2026 at Principia Institute, São Paulo, Brazil

The second generation of Gravitational wave (GW) detectors has been operating until recently at unprecedented sensitivity, providing observations of binary system coalescences, whose sources are neutron stars and black holes with masses ranging from one to one hundred solar masses.

The new (3rd) generation of gravitational detectors consists of two projects: Cosmic Explorer (CE) and Einstein Telescope (ET), supported respectively by US and European collaborations with Latin America (LATAM) scientists involved in both projects.

With the intent of covering the wide range of fundamental physics, astronomy and cosmology topics that can be addressed by the upcoming gravitational wave detectors, the goal of the workshop is to spur the contribution of LATAM researchers to the field, with dedicated sessions to all aspects of GW science including Cosmology, Fundamental gravity, Astrophysical populations, Multimessenger astronomy, Neutron stars, Dark matter, Data analysis and Instrument science.

This workshop will be preceded by the School on Astroparticle and Multi-messenger Astrophysics from June 15-26.

Organizers:

  • Raul Abramo (USP, Brazil)
  • Miguel Quartin (CBPF, Brazil)
  • Davi Rodrigues (UFES, Brazil)
  • Riccardo Sturani (IFT-UNESP, Brazil)

Workshop Website

Open Data Workshop 2026, April 20-23 in Toulouse and online

This is an exciting time in gravitational-wave astronomy! LIGO, Virgo, and KAGRA just finished their fourth observing run (O4). Data from the past three observing runs (O1, O2, and O3) and the beginning of O4 (O4a) are publicly available, and include over 200 detections of compact object mergers. And the list continues to grow as more confirmed detections are added.

After you enroll, you will receive a crash-course in gravitational-wave (GW) data analysis. By the end of this course, you should be able to:

  • Describe the basics of how LIGO and Virgo record data
  • Find and download LIGO/Virgo/KAGRA data
  • Make plots of real data and simulated waveforms
  • Use matched filtering to identify transient signals in LIGO/Virgo data
  • Use parameter estimation to extract astrophysical information from transient signals

This course includes lectures, software tutorials, quiz questions, and a data challenge. Complete the course and data challenge to receive a certificate.

Workshop Website