Name: 3rd GWCats Workshop
Start: 2026-11-23T09:00:00+01:00
End: 2026-11-25T17:30:00+01:00
Location: Toulouse

3rd GWCats Workshop

de lundi 23 novembre 2026 (09:00) à mercredi 25 novembre 2026 (17:30)

lundi 23 novembre 2026
09:00 Welcome and introductory talks
09:00 - 10:40
Room: Amphitheatre 3
Contributions

09:00 Registration / Arrival

09:30 Welcome - Nicola Tamanini (L2I Toulouse, CNRS/IN2P3, Université de Toulouse)

09:35 Workshop introduction - Kenneth Duncan (University of Edinburgh) Rachel Gray (University of Glasgow)

09:40 LVK Cosmology Update - Alexander Papadopoulos (University of Glasgow)

10:10 GWCats Flagship Simulation Project Update - Felipe Andrade-Oliveira (University of Zurich) Felipe Andrade-Oliveira (UZH) Tom Bertheas (L2IT, LPENS)
10:40 Coffee break
Coffee break
10:40 - 11:10
Room: Amphitheatre 3
11:10 Talk Session 2 - Galaxy Surveys
11:10 - 12:30
Room: Amphitheatre 3
Contributions

11:10 Status and Plans for Next-Generation Photometric Surveys - Sean MacBride (University of Zurich)

11:40 Status and plans for large-area spectroscopic surveys - Luca Tortorelli (University Observatory, Ludwig-Maximilians Universitaet Muenchen)

12:10 Breakout Session Ideas
12:30 Lunch
Lunch
12:30 - 14:00
Room: Amphitheatre 3
14:00 Talk Session 3 - GW Cosmology Methodology
14:00 - 15:30
Room: Amphitheatre 3
Contributions

14:00 Dark Sirens Methodology Updates and Breakthroughs - Rachel Gray (University of Glasgow)

14:30 Dark siren-galaxy cross-correlations with Peak Sirens: requirements for catalogs, - Raul Abramo (São Paulo University)

14:55 Discussion Session - Including breakout planning
15:30 Coffee break
Coffee break
15:30 - 16:00
Room: Amphitheatre 3

16:00 Breakout session: 1
1
16:00 - 17:30
Room: Amphitheatre 3
mardi 24 novembre 2026
09:00 Talk Session 4 - Contributed Talks
09:00 - 10:30
Room: Amphitheatre 3
Contributions

09:00 Multi-Messenger Simulations for 3G Gravitational-Wave Cosmology: Forecasts and Pipeline Development - RANIER SILVA (UNESP - IFT/Brazil)

09:15 Standard Sirens Enter the Multiprobe Era: A First Assessment of $\Lambda$CDM Tensions Including Gravitational-Wave Distances - David Sánchez Cid (University of Zurich)

09:30 MTC-1.0: The First Mock Gravitational-wave Transient Catalogue - Alexander Papadopoulos (University of Glasgow)

09:45 Testing Cosmological parameter Inference for Dark Sirens with Galaxy Catalog and Low-Latency Skymaps - Alessandro Buchicchio (Sapienza)

10:00 Target selection effects in spectroscopic galaxy catalogs on dark sirens - Léonard Lebrun (UZH)

10:15 Dark-Siren Cosmology with DESI DR1 BGS Galaxies and LVK detections - Dounia Nanadoumgar-Lacroze (IFAE)
10:30 Coffee break
Coffee break
10:30 - 11:00
Room: Amphitheatre 3
11:00 Talk Session 5 - Contributed Talks + Targeted Follow-up
11:00 - 12:20
Room: Amphitheatre 3
Contributions

11:00 Gravitational-wave dark sirens as astrophysical probes: inferring galaxy-merger relations and identifying individual hosts - Alessandro Agapito (Centre de Physique Théorique (CPT), Aix-Marseille Université (AMU))

11:15 Unifying spatial correlation with hierarchical population inference to constrain the AGN channel for binary black hole mergers - Lucas Pouw (Leiden Observatory)

11:30 Characterizing redshift calibration systematics in the euclid photometric survey - Tyann Dumerchat (Aix-Marseille Université CPPM)

11:45 Dark Siren Analysis and Follow-Up in OzGrav - Liana Rauf (The Australian National University)

12:00 Sirenas Update and Follow-up proposals Overview - Isaac MacMahon (UZH)
12:20 Lunch
Lunch
12:20 - 14:00
Room: Amphitheatre 3
14:00 Talk Session 6 - Working with EM Surveys
14:00 - 15:30
Room: Amphitheatre 3
Contributions

14:00 Simulation based inference with pop-cosmos - Stephen Thorp

14:30 Simulation based inference of galaxy properties with spectroscopic surveys - Luca Tortorelli (University Observatory, Ludwig-Maximilians Universitaet Muenchen)

14:55 Discussion Session: Incorporating EM survey information in GW cosmology - Will Hartley
15:30 Coffee break
Coffee break
15:30 - 16:00
Room: Amphitheatre 3

16:00 Breakout session: 2
2
16:00 - 17:30
Room: Amphitheatre 3
mercredi 25 novembre 2026
09:00 Updates from breakout sessions and planning the next year
09:00 - 10:45
Room: Amphitheatre 3
Contributions

09:00 Discussion Session Part 1: Reports from breakout groups

09:30 Discussion Session Part 2: What/where next for dark sirens focused EM proposal - Isaac MacMahon (UZH) Liana Rauf (The Australian National University)

10:00 Discussion Session Part 3: Key takeaways New project ideas
10:45 Coffee break
Coffee break
10:45 - 11:15
Room: Amphitheatre 3
11:15 GWCats wrap up
11:15 - 12:30
Room: Amphitheatre 3
Contributions

11:15 Discussion Session: GWCats Project Planning and Overall wrap-up
12:30 Lunch
Lunch
12:30 - 14:00
Room: Amphitheatre 3

14:00 MSCA SE: 1
1
14:00 - 15:30
Room: Amphitheatre 3

15:30 Coffee break
Coffee break
15:30 - 16:00
Room: Amphitheatre 3

16:00 MSCA SE: 2
2
16:00 - 17:00
Room: Amphitheatre 3