888 citations · 7.3k across the 106 of their papers we have counts for
31 papers · 1 filter
LyAl-Net: A high-efficiency Lyman- forest simulation with a neural network
Chotipan Boonkongkird, Guilhem Lavaux, Sebastien Peirani +3
The inference of cosmological quantities requires accurate and large hydrodynamical cosmological simulations. Unfortunately, their computational time can take millions of CPU hours…
LyMAS reloaded: improving the predictions of the large-scale Lyman-α forest statistics from dark matter density and velocity fields
S. Peirani, S. Prunet, S. Colombi +6
We present LyMAS2, an improved version of the "Lyman-α Mass Association Scheme" aiming at predicting the large-scale 3d clustering statistics of the Lyman-α forest (Ly-α) from mode…
Forecasts for WEAVE-QSO: 3D clustering and connectivity of critical points with Lyman- tomography
Katarina Kraljic, Clotilde Laigle, Christophe Pichon +12
The upcoming WEAVE-QSO survey will target a high density of quasars over a large area, enabling the reconstruction of the 3D density field through Lyman- tomography over unprece…
Shapes and alignments of dark matter haloes and their brightest cluster galaxies in 39 strong lensing clusters
Taizo Okabe, Masamune Oguri, Sébastien Peirani +6
We study shapes and alignments of 45 dark matter (DM) haloes and their brightest cluster galaxies (BCGs) using a sample of 39 massive clusters from Hubble Frontier Field (HFF), Clu…
Cosmological evolution of orientations of cluster-sized dark matter haloes and their central galaxies in the Horizon-AGN simulation
Taizo Okabe, Takahiro Nishimichi, Masamune Oguri +6
It is known observationally that the major axes of galaxy clusters and their brightest cluster galaxies are roughly aligned with each other. To understand the origin of the alignme…
The impact of AGN feedback on galaxy intrinsic alignments in the Horizon simulations
Adam Soussana, Nora Elisa Chisari, Sandrine Codis +7
The intrinsic correlations of galaxy shapes and orientations across the large-scale structure of the Universe are a known contaminant to weak gravitational lensing. They are known…