Name: Réunion du GdR OG Cosmologie
Start: 2026-10-07T09:00:00+02:00
End: 2026-10-07T17:30:00+02:00
Location: IP2I

Réunion du GdR OG Cosmologie

Wednesday, October 7, 2026 - 9:00 AM

Monday, October 5, 2026
Tuesday, October 6, 2026
Wednesday, October 7, 2026
9:30 AM Questioning widespread mass distribution modelling assumptions in spectral sirens GW cosmology and associated systematics - Tom Bertheas
Questioning widespread mass distribution modelling assumptions in spectral sirens GW cosmology and associated systematics
- Tom Bertheas
9:30 AM - 9:50 AM
Room: Salle des thèses, INL building -1 floor
9:50 AM Dark BNS as cosmological probes - Madeline Salome
Dark BNS as cosmological probes
- Madeline Salome
9:50 AM - 10:10 AM
Room: Salle des thèses, INL building -1 floor
10:10 AM Posterior-landscape: a feature-finder for spectral-siren cosmology - Michele Mancarella
Posterior-landscape: a feature-finder for spectral-siren cosmology
- Michele Mancarella
10:10 AM - 10:30 AM
Room: Salle des thèses, INL building -1 floor
10:30 AM Coffee Break
Coffee Break
10:30 AM - 11:00 AM
Room: Salle des thèses, INL building -1 floor
11:00 AM Multi-messenger approach with BAOs from DESI - Gregoire Pierra
Multi-messenger approach with BAOs from DESI
- Gregoire Pierra
11:00 AM - 11:20 AM
Room: Salle des thèses, INL building -1 floor
11:20 AM First measurement of the Hubble constant using Peak sirens - Charles Dalang
First measurement of the Hubble constant using Peak sirens
- Charles Dalang
11:20 AM - 11:40 AM
Room: Salle des thèses, INL building -1 floor
11:40 AM Testing ΛCDM with the cross-correlation of gravitational-wave and galaxy catalogs - Michele Santoni
Testing ΛCDM with the cross-correlation of gravitational-wave and galaxy catalogs
- Michele Santoni
11:40 AM - 12:00 PM
Room: Salle des thèses, INL building -1 floor
12:00 PM Interactions with CoPhy - Josquin Errard
Interactions with CoPhy
- Josquin Errard
12:00 PM - 12:20 PM
Room: Salle des thèses, INL building -1 floor
12:30 PM Lunch Break
Lunch Break
12:30 PM - 2:00 PM
Room: Salle des thèses, INL building -1 floor

2:00 PM Talks: PTA and the early universe
PTA and the early universe
2:00 PM - 2:40 PM
Room: Salle des thèses, INL building -1 floor
2:40 PM PTA and cross-correlations with galaxy catalogues - Martin Pijnenburg
PTA and cross-correlations with galaxy catalogues
- Martin Pijnenburg
2:40 PM - 3:00 PM
Room: Salle des thèses, INL building -1 floor
3:00 PM Probing the Early Universe with the Simons Observatory and LiteBIRD - Benjamin Beringue
Probing the Early Universe with the Simons Observatory and LiteBIRD
- Benjamin Beringue
3:00 PM - 3:20 PM
Room: Salle des thèses, INL building -1 floor
3:20 PM Field Siren : New siren to constrain H0 - Leo Zimmenrmann
Field Siren : New siren to constrain H0
- Leo Zimmenrmann
3:20 PM - 3:40 PM
Room: Salle des thèses, INL building -1 floor
3:45 PM Coffee break
Coffee break
3:45 PM - 4:15 PM
Room: Salle des thèses, INL building -1 floor

4:15 PM Discussions: - LISA/PTA - Standard sirens (broadly intended) - Feedback group activity/advices and requests from the community
- LISA/PTA - Standard sirens (broadly intended) - Feedback group activity/advices and requests from the community
4:15 PM - 5:15 PM
Room: Salle des thèses, INL building -1 floor