Name: Colloque national Action Dark Energy 2024 - 8ème édition
Start: 2024-10-28T11:00:00+01:00
End: 2024-10-30T16:00:00+01:00
Location: Institut Henri Poincaré

Colloque national Action Dark Energy 2024 - 8ème édition

from Monday, October 28, 2024 (11:00 AM) to Wednesday, October 30, 2024 (4:00 PM)

Monday, October 28, 2024
2:00 PM Présentations
2:00 PM - 4:00 PM
Room: Amphithéâtre Hermite
Contributions

2:00 PM UNIONS/CFIS - Fabian Hervas Peters (CEA/IRFU/DAp-AIM/Cosmostat)

2:30 PM Precise Weak-Lensing Cosmology with imprecise redshifts: Euclid preparation and DES ‘finalisation' - William D'Assignies Doumerg

2:50 PM COmoving Computer Acceleration (COCA): N-body simulations in an emulated frame of reference - Florent Leclercq (Institut d'Astrophysique de Paris)

3:10 PM The ZTF SN Ia DR2 sample - Madeleine Ginolin (IP2I/IN2P3/CNRS)

3:40 PM Modified gravity interpretation of the evolving dark energy in light of DESI data - Anton Chudaykin (University of Geneva)
4:00 PM Coffee break
Coffee break
4:00 PM - 4:30 PM
Room: Amphithéâtre Hermite
4:30 PM Présentations
4:30 PM - 6:00 PM
Room: Amphithéâtre Hermite
Contributions

4:30 PM J-PAS - Carlos Hernandez-Monteagudo (IAC)

5:00 PM Density-split for the DESI BGS - Simon Bouchard (LPNHE)

5:20 PM Euclid preparation: simulations and non-linearities beyond LCDM - Michel-Andrès Breton (Laboratoire d'Astrophysique de Marseille)
Tuesday, October 29, 2024
9:00 AM Présentations
9:00 AM - 10:30 AM
Room: Amphithéâtre Hermite
Contributions

9:30 AM DESI - Arnaud de Mattia

10:00 AM EUCLID - Sandrine Pires (CEA Saclay)
10:30 AM Coffee break
Coffee break
10:30 AM - 11:00 AM
Room: Amphithéâtre Hermite
11:00 AM Présentations
11:00 AM - 12:30 PM
Room: Amphithéâtre Hermite
Contributions

11:00 AM Quantum algorithm for collisionless Boltzmann simulation of self-gravitating systems - Naoki Yoshida (University of Tokyo)

11:30 AM Going beyond FLRW in an inhomogeneous Universe: the Szekeres exact solution of GR - Marie-Noëlle Célérier (Observatoire de Paris)

11:50 AM Validation of the Euclid Cluster Catalogue with external data - Anaïs Widmer
2:00 PM Présentations
2:00 PM - 4:00 PM
Room: Amphithéâtre Hermite
Contributions

2:00 PM ARRAKIHS: The New ESA F-Class Mission to Investigate the Nature of Dark Matter - Rafael Guzman

2:30 PM A Non-Gaussian Universe? - Clément Stahl (ObAS)

2:50 PM Impact of clusters' connectivity on their evolution and gas accretion - Céline Gouin (IAP)

3:10 PM Impact of the galaxy cluster environment on the stretch distribution of type-Ia supernovae with ZTF - Florian Ruppin (IP2I Lyon)

3:30 PM Moving to exa-scale - challenges to (large) cosmological simulations - Corentin Cadiou (IAP)
4:00 PM Coffee break
Coffee break
4:00 PM - 4:30 PM
Room: Amphithéâtre Hermite
4:30 PM Présentations
4:30 PM - 5:50 PM
Room: Amphithéâtre Hermite
Contributions

4:30 PM Lemaitre : An independent measurement of the dark energy equation of state from a new set of SNeIa : Dataset and Lightcurve model - Mahmoud Ahmed Emam Osman (LPNHE)

4:50 PM Toward an Independent Measurement of Dark Energy's Equation of State from a Novel Set of SNeIa: Cosmological Inference in LEMAITRE - Dylan KUHN

5:10 PM Impact of the errors induced by the Halo Mass Function mapping at different masses definitions on cosmological parameters constraints. - Théo Gayoux (LUTH - Observatoire de Paris-Meudon)

5:30 PM Update on the $\omega_m$ tension. - ALAIN BLANCHARD (IRAP , OMP)
Wednesday, October 30, 2024
9:00 AM Présentations
9:00 AM - 10:30 AM
Room: Amphithéâtre Hermite
Contributions

9:00 AM eROSITA - Nicolas Clerc (IRAP)

9:30 AM Spec-S5: exploring the 2 < z < 4.5 Universe - Anand Raichoor (EPFL)

10:00 AM WST - Christophe Yeche (CEA Irfu/SPP)
10:30 AM Coffee break
Coffee break
10:30 AM - 11:00 AM
Room: Amphithéâtre Hermite
11:00 AM Présentations
11:00 AM - 12:40 PM
Room: Amphithéâtre Hermite
Contributions

11:00 AM Precision cosmology with LSST: Development of an unbiased cosmic shear estimator - Enya Van den Abeele

11:20 AM Study of cosmic expansion anisotropy with type Ia supernovae from ZTF. - Chloé Barjou-Delayre

11:40 AM Reevaluating the cosmological redshift: insights into inhomogeneities and irreversible processes - Pascal Tremblin (CEA Paris-Saclay)

12:00 PM Type Ia supernova spectrophotometric standardisation and application to the ZTF spectra sample - CONSTANCE GANOT

12:20 PM ZTF SN Ia DR2: Exploring SN Ia properties in the vicinity of under-dense environments - Marie Aubert (LPC / CNRS / IN2P3)

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