Rubin LSST-France, IJCLab Orsay, 11-13/06/2025

Jun 11, 2025, 12:00 PM → Jun 13, 2025, 4:30 PM Europe/Paris

IJCLab

The next biannual meeting of the Rubin-LSST France community will be held 11-13 June 2025, at IJCLab in Orsay.

Details

• Meeting will begin at 2pm on Wednesday 11 June.
• Meeting ends around 3:30pm on Friday 13 June.
• The persons of contact for the meeting will be TBD.

Social events

• Social dinner on Thursday at Restaurant Le Gramophone- 27 Bd Dubreuil, 91400 Orsay, France

Information about talks

• Language: Acknowledging that some participants may not understand/speak French, using English is strongly encouraged.
• Speakers: please upload your slides on this website prior to your talk.

Remote attendance

• It will be possible to follow the meeting over Zoom, at least for the plenary sessions. 
• Zoom link for plenary sessions: here 

Code of conduct

French and English versions.

Venue information

IJCLab: 
Plenaries will be in Auditorium Joliot-Curie, 100 A, 91400 Orsay, France
An interactive map of the area with the lunch, dinner, Auditorium and the Metro is available here. 

 

The agendas of the most recent editions of this meeting can be found online:

• November 2024 
• June 2024
• December 2023
• June 2023
• November 2022
• May 2022
• November 2021
• May 2021
• November 2020
• February 2020

Wed, June 11

General Updates: Welcome

1 Welcome

Speaker: Benjamin Racine (CPPM/IN2P3/CNRS)

MotDeLaDirectionIJCLab.pdf

Welcome slides

2 News from Rubin and DESC + communication

Speaker: Dr Johan Bregeon (IN2P3 LSPC)

Rubin-LSST_France_Juin_2025.pptx.pdf

3 EDIM --> EDI

Speaker: Marina Ricci

EDI_LSST_PARIS.pdf

4 Computing

Speaker: Fabio Hernandez (CC-IN2P3)

slides

5 Commissioning + nouvelles du sommet

Speaker: Pierre Antilogus (LPNHE)

6 Lightning talks

Lightning talks

4:00 PM Coffee break

Invited talk: SVOM

7 SVOM first results

Speaker: Damien TURPIN (CEA-Saclay)

GRB_241018A.gif

Rubin_LSST-France_SVOM.pptx.pdf

svom_trigger_galskymap.gif

Science collaborations updates

8 The Rubin Galaxies Science Collaboration

Speaker: Simona Mei

Mei - LSST France GSC - June2025.pdf

9 Report on Fifth SCOC-Science Collaborations Workshop

Speaker: Dr Sylvie Dagoret (IJCLab)

2025-06-11-LSSTFranceCadenceRubin-Dagoret.pdf

10 JuDO

Where to go?

Thu, June 12

Fink and more

11 Fink status

Speakers: Dr Emille Ishida (CNRS/LPC-Clermont), Dr Julien Peloton (CNRS-IJCLab)

Fink_lsst_france_2025a.pdf

12 The first real real-time active learning loop for SN classification by Fink

Speakers: Dr Emille Ishida (CNRS/LPC-Clermont), Dr Julien Peloton (CNRS-IJCLab)

Fink-EarlySNIa

13 A new era for the blazar multi-wavelength studies with Rubin and CTAO

Speaker: Julian HAMO (IJCLab)

2025_06_12 LSST_France.pdf

14 Photons as tracers of the curvature of space-time and the mass distribution in the Universe

Speaker: Mr Laurent MAGRI-STELLA (LAPP)

LSST_France_2025.pdf

10:50 AM Coffee break

Science talks: Transients and voids

15 Cosmology from the Rubin Void Size Function

Speaker: Pierre Boccard (CPPM)

Cosmology from the Rubin Void Size Function

16 Transient detection pipeline verification with synthetic source injection for LSST commissioning

Speaker: Bruno Sanchez (CPPM - CNRS)

AP_DIA_for_LSSTFranceSummer2025.pdf

17 Characterisation of trans-Neptunian binaries candidates from LSST

Speaker: Ziyu Liu (LTE/Paris Observatory)

Characterisation of trans-Neptunian binaries candidates from LSST.pdf

12:45 PM Lunch Break

Free parallel Session

2025-05-14-TeservationDeSalles_avecplanning.pdf

Parallel session: Commissioning (⚠️ embargo ⚠️)

18 LSSTComCam comissioning in ECDFS

Speaker: Dr Sylvie Dagoret (IJCLab)

19 Ghosts on LSSTComCam

Speaker: Mr Dimitri Buffat (LPSC)

20 Clusters in comcam

Speaker: Céline Combet (LPSC)

21 CBP, filters etc.

Speaker: Nathan Amouroux

4:00 PM Coffee break

Science talks: clusters and weak lensing

22 Analysis of the weak lensing mass-richness relation of redMaPPer clusters in the LSST DESC DC2 simulations

Speaker: Constantin Payerne (CEA/DPhP/Irfu)

Rubin LSST France IJCLab 06.2025 - Weak lensing mass-richness relation of redMaPPer clusters in LSST DESC DC2 simulations.pdf

23 DESC Cluster Pipeline Updates: Full Chain Analysis

Speaker: eduardo barroso (LAPP)

lsst_france_2025.pdf

24 YOLO-CL : Deep Machine Learning for Galaxy Cluster detection with LSST

Speaker: Vinh Phat Tran (APC/UPCité)

YOLO-CL _ Deep Machine Learning for Galaxy Cluster detection with LSST.pptx

25 Probabilistic characterization of blending: application to cluster lensing cosmology

Speaker: Manon Ramel (LPSC / IN2P3)

LSST_France_Juin2025_RAMEL_Manon.pdf

26 Cosmic shear simulations for the analysis of LSST data using HOS

Speaker: Juan Mena Fernandez (LPSC)

Presentation_LSST_France_Orsay_JuanMena.pdf

7:00 PM Collaboration Diner

Diner at Le Gramophone

Fri, June 13

Recent news from the Observatory

27 Recent news from the Observatory

Speaker: Sandrine Thomas (LSST)

Science talks:

28 AGAMA simulation of dark matter impact on stellar stream in prevision of LSST Observations

Speaker: Matthieu Pelissier (LPSC/UGA)

Slides link

29 StarDICE observations of artificial stars

Speaker: Sébastien Bongard (LPNHE)

StarDICE_LSST_France_2025_06_13.pdf

10:50 AM Coffee break

Calibration talks

30 PWV studies with Auxtel

Speaker: Jérémy Neveu (LPNHE)

PWV studies with AuxTel

31 Traveling Collimated Beam Projector - Latest campaign results

Speaker: Enya VAN DEN ABEELE

LSST France 06_2025.pdf

32 Collimated Beam Projector - Updates

Speaker: Nathan Amouroux

AMOUROUX_CBP - plenary.pdf

12:40 PM Lunch Break