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

de lundi 28 octobre 2024 (11:00) à mercredi 30 octobre 2024 (16:00)

lundi 28 octobre 2024
14:00
14:00 - 16:00
Room: Amphithéâtre Hermite
Contributions

14:00 UNIONS/CFIS - Fabian Hervas Peters (CEA/IRFU/DAp-AIM/Cosmostat)

14:30 Precise Weak-Lensing Cosmology with imprecise redshifts: Euclid preparation and DES ‘finalisation' - William D'Assignies Doumerg

14:50 COmoving Computer Acceleration (COCA): N-body simulations in an emulated frame of reference - Florent Leclercq (Institut d'Astrophysique de Paris)

15:10 The ZTF SN Ia DR2 sample - Madeleine Ginolin (IP2I/IN2P3/CNRS)

15:40 Modified gravity interpretation of the evolving dark energy in light of DESI data - Anton Chudaykin (University of Geneva)
16:00 Coffee break
Coffee break
16:00 - 16:30
Room: Amphithéâtre Hermite
16:30
16:30 - 18:00
Room: Amphithéâtre Hermite
Contributions

16:30 J-PAS - Carlos Hernandez-Monteagudo (IAC)

17:00 Density-split for the DESI BGS - Simon Bouchard (LPNHE)

17:20 Growth rate measurement using LSST type Ia supernovae - Damiano Rosselli (CPPM)

17:40 Update on the $\omega_m$ tension. - ALAIN BLANCHARD (IRAP , OMP)
mardi 29 octobre 2024
09:00
09:00 - 10:30
Room: Amphithéâtre Hermite
Contributions

09:00 DESI - Arnaud de Mattia

09:30 4MOST - Jenny Sorce

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

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

11:30 Litmus Tests of the flat LCDM model - Benjamin L'Huillier (Sejong University)

11:50 Going beyond FLRW in an inhomogeneous Universe: the Szekeres exact solution of GR - Marie-Noëlle Célérier (Observatoire de Paris)

12:10 Validation of the Euclid Cluster Catalogue with external data - Anaïs Widmer
14:00
14:00 - 16:00
Room: Amphithéâtre Hermite
Contributions

14:00 SPT

14:30 Euclid preparation: simulations and non-linearities beyond LCDM - Michel-Andrès Breton (Laboratoire d'Astrophysique de Marseille)

14:50 Impact of clusters' connectivity on their evolution and gas accretion - Céline Gouin (IAP)

15:10 Impact of the galaxy cluster environment on the stretch distribution of type-Ia supernovae with ZTF - Florian Ruppin (IP2I Lyon)

15:30 Weak and strong lensing - Anna Niemiec (LPNHE)
16:00 Coffee break
Coffee break
16:00 - 16:30
Room: Amphithéâtre Hermite
16:30
16:30 - 18:20
Room: Amphithéâtre Hermite
Contributions

16:30 ARRAKIHS: The New ESA F-Class Mission to Investigate the Nature of Dark Matter - Rafael Guzman

17:00 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)

17:20 Toward an Independent Measurement of Dark Energy's Equation of State from a Novel Set of SNeIa: Cosmological Inference in LEMAITRE - Dylan KUHN

17:40 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)
mercredi 30 octobre 2024
09:00
09:00 - 10:30
Room: Amphithéâtre Hermite
Contributions

09:00 eROSITA - Nicolas Clerc (IRAP)

09:30 Spec-S5: exploring the 2 < z < 4.5 Universe - Anand Raichoor (EPFL)

10:00 WST - Christophe Yeche (CEA Irfu/SPP)
10:30 Coffee break
Coffee break
10:30 - 11:00
Room: Amphithéâtre Hermite
11:00
11:00 - 13:55
Room: Amphithéâtre Hermite
Contributions

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

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

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

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

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

12:40 A Non-Gaussian Universe? - Clément Stahl (ObAS)

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