Name: Colloque national CMB-France #7
Start: 2025-10-13T14:00:00+02:00
End: 2025-10-15T16:00:00+02:00
Location: Institut Astrophysique de Paris

Colloque national CMB-France #7

from Monday, October 13, 2025 (2:00 PM) to Wednesday, October 15, 2025 (4:00 PM)

Monday, October 13, 2025
2:00 PM Ground-based observatories
2:00 PM - 4:00 PM
Contributions

2:00 PM The Atacama Cosmology Telescope sixth data release: ACT DR6 - Adrien LA POSTA (Oxford University)

2:20 PM ACT-DR6 Power Spectrum Foreground Model and Validation on non Gaussian simulations - Benjamin Beringue (APC, CNRS)

2:40 PM SPT-3G D1: CMB Temperature and Polarization Power Spectra and Cosmology from 2019–2020 Observations of the SPT-3G Main Field (1) - Etienne Camphuis (Institut d'Astrophysique de Paris)

3:00 PM SPT-3G D1: CMB Temperature and Polarization Power Spectra and Cosmology from 2019–2020 Observations of the SPT-3G Main Field (2) - Ali Rida Khalife (IAP-CNRS and Sorbonne University)

3:20 PM SPT-3G D1: CMB Temperature and Polarization Power Spectra and Cosmology from 2019–2020 Observations of the SPT-3G Main Field (3) - Lennart Balkenhol (Institut d'Astrophysique de Paris)

3:40 PM QUBIC: taking advantage of Bolometric Interferometry with Spectral Imaging and news from the instrument - Alexandre Huchet (APC)
4:00 PM Coffee
Coffee
4:00 PM - 4:30 PM
4:30 PM CMB results and analysis
4:30 PM - 6:50 PM
Contributions

4:30 PM Cosmology with KiDS-Legacy - Angus Wright (Ruhr University Bochum)

4:50 PM DESI DR2 - Etienne Burtin (IRFU/CEA - Université Paris-Saclay)

5:10 PM CMB + BAO + SN: Bayesian Model Comparisons and Cross-Dataset Tensions - Lukas Hergt (IJCLab, IN2P3, CNRS)

5:30 PM Combining Planck, SPT and ACT - Matthieu Tristram (IJCLab, CNRS)

5:50 PM Revisiting FIRAS in 2025: new baryonic feedback constraints from CMB spectral distortions - Giulio Fabbian (Institut d'Astrophysique Spatiale (IAS))

6:10 PM Non-Gaussianity in multidetector component separation - Michele Citran (APC, IJCLab)

6:30 PM Searching for Parity Violation in the CMB Bispectrum - Martin Bucher (APC)
7:30 PM Félicie
Félicie
7:30 PM - 10:00 PM
Tuesday, October 14, 2025
9:00 AM CMB results and analysis
9:00 AM - 10:20 AM
Contributions

9:00 AM Constraining the full mass distribution of Planck protocluster candidates with CMB lensing - Tanguy DUSSERRE (Institut d'Astrophysique Spatiale)

9:20 AM Updating the mass calibration of the Planck cluster sample - Gaspard Aymerich (Institut d'Astrophysique Spatiale, Université Paris-Saclay)

9:40 AM Astrophysical Constraints from the kSZ - Lisa Mc Bride (Institut d'Astrophysique Spatiale)

10:00 AM Projected-fields kSZ estimator - Ola Kusiak (Cambridge)
10:20 AM Coffee
Coffee
10:20 AM - 10:50 AM
10:50 AM CMB results and analysis
10:50 AM - 12:30 PM
Contributions

10:50 AM A minimally noisy and maximally likely CMB lensing estimator - ll783 Legrand (DAMTP, University of Cambridge)

11:10 AM Towards de-lensing of BICEP with SPT-3G - Julien Carron (University of Geneva)

11:30 AM Enhancing Euclid science through cross-correlation with CMB lensing - Margherita Lembo (Institut d'Astrophysique de Paris (IAP))

11:50 AM Simons Observatory: News and Prospects - Thibaut Louis (LAL)

12:10 PM Simons Observatory's Small Aperture Telescopes : Updates on the survey and data analysis pipeline - Amalia Villarrubia Aguilar (APC) Pierre Masson (APC)
2:00 PM Future missions
2:00 PM - 4:00 PM
Contributions

2:00 PM Towards the measurement of spectral distortions from space: from BISOU to FOSSIL - Nabila Aghanim

2:20 PM The BISOU optical concept design - Morgane LOQUET LE GALL (IAS)

2:40 PM Optimisation and Forecasting Studies for CMB Spectral Distortion Experiments - Xavier COULON (IAS)

3:00 PM LiteBIRD status - Ludovic Montier (IRAP)

3:20 PM Probing Inflation with PICO: Iterative internal lensing reconstruction and delensing pipeline on a full-sky mission with realistic noise and foregrounds - Julien Tang (LBNL/CPB)

3:40 PM Impact of realistic noise and foregrounds on r forecasts for PICO - Elisa Russier
4:00 PM Coffee
Coffee
4:00 PM - 4:30 PM
4:30 PM Future missions
4:30 PM - 5:10 PM
Contributions

4:30 PM Status and future plans for the South Pole Observatory (SPO) - Clara Vergès (LBNL)

4:50 PM KAIROS - Josquin Errard (APC / CNRS)
5:10 PM future of CMB observations (discussion)
5:10 PM - 7:20 PM
Contributions

5:10 PM Discussion
Wednesday, October 15, 2025
9:00 AM CMB results and analysis
9:00 AM - 10:40 AM
Contributions

9:00 AM Modeling and Mitigating Half-Wave Plate Systematics in CMB Polarization Measurements - Ema TSANG KING SANG (APC-CNRS)

9:20 AM TES proton irradiation result analysis for future space applications - Anaïs Besnard (Institut d'Astrophysique Spatiale (IAS))

9:40 AM Polarized emissions from the local bubble - Mathias Regnier (IRAP)

10:00 AM Unbiased r constraints with SMICA for future ground-based CMB B-mode polarisation observations - Jacques Delabrouille (IN2P3)

10:20 AM Semi-blind component separation for measuring the CMB B-mode polarization - Hoang Viet Tran (APC, Université Paris Cité)
10:40 AM Coffee
Coffee
10:40 AM - 11:00 AM
11:00 AM CMB results and analysis
11:00 AM - 1:10 PM
Contributions

11:00 AM Furax: A Unified Framework for CMB Data Analysis with JAX - Pierre CHANIAL (APC)

11:20 AM CMB Applications of FURAX - Wuhyun Sohn (APC / CNRS)

11:40 AM Map-level Beam Treatment - Artem BASYROV (APC, CNRS)

12:00 PM Recovering unbiased CMB polarization maps using modern ground-based experiments - Simon Biquard (APC / CNRS)

12:20 PM Low-noise, high angular resolution dust polarization maps using scattering transforms on Planck multifrequency data - Alexandros Tsouros (LPENS Paris)

12:40 PM Solving Bayesian imaging inverse problem with scattering transform : application to instrumental decontamination - Sébastien Pierre (LPENS)

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