Predictions for deep galaxy surveys with JWST from $\Lambda$CDM

Abstract

We present predictions for the outcome of deep galaxy surveys with the $James$ $Webb$ $Space$ $Telescope$ ($JWST$) obtained from a physical model of galaxy formation in $\Lambda$CDM. We use the latest version of the GALFORM model, embedded within a new ($800$ Mpc)${}^3$ dark matter only simulation with a halo mass resolution of $M_{\mathrm{halo}}>2\times 10^9$ $h^{-1}$ M${}_{\odot }$. For computing full UV-to-mm galaxy spectral energy distributions, including the absorption and emission of radiation by dust, we use the spectrophotometric radiative transfer code GRASIL. The model is calibrated to reproduce a broad range of observational data at $z\lesssim 6$, and we show here that it can also predict evolution of the rest-frame far-UV luminosity function for $7\lesssim z\lesssim 10$ which is in good agreement with observations. We make predictions for the evolution of the luminosity function from $z=16$ to $z=0$ in all broadband filters on the Near InfraRed Camera (NIRCam) and Mid InfraRed Instrument (MIRI) on $JWST$ and present the resulting galaxy number counts and redshift distributions. Our fiducial model predicts that $\sim 1$ galaxy per field of view will be observable at $z\sim 11$ for a $10^4$ s exposure with NIRCam. A variant model, which produces a higher redshift of reionization in better agreement with $Planck$ data, predicts number densities of observable galaxies $\sim 5\times$ greater at this redshift. Similar observations with MIRI are predicted not to detect any galaxies at $z\gtrsim 6$. We also make predictions for the effect of different exposure times on the redshift distributions of galaxies observable with $JWST$, and for the angular sizes of galaxies in $JWST$ bands.

23 Pages, 13 Figures, 4 Tables. Accepted for publication in MNRAS

References in corpus (22)

• The EAGLE project: Simulating the evolution and assembly of galaxies and their environments
• Introducing the Illustris Project: Simulating the coevolution of dark and visible matter in the Universe
• The James Webb Space Telescope
• UV Luminosity Functions at redshifts z~4 to z~10: 10000 Galaxies from HST Legacy Fields
• The Role of Pressure in GMC Formation II: The H_2 - Pressure Relation
• Massloss of galaxies due to a UV-background
• A primer on hierarchical galaxy formation: the semi-analytical approach
• A fitting formula for the merger timescale of galaxies in hierarchical clustering
• High-precision Photometric Redshifts from Spitzer/IRAC: Extreme [3.6]-[4.5] Colors Identify Galaxies in the Redshift Range z~6.6-6.9
• A Simple Technique for Predicting High-Redshift Galaxy Evolution
• The abundance of (not just) dark matter haloes
• The evolution of CNO isotopes: a new window on cosmic star-formation history and the stellar IMF in the age of ALMA
• Galaxy evolution in the infra-red: comparison of a hierarchical galaxy formation model with SPITZER data
• Simulated observations of sub-millimetre galaxies: the impact of single-dish resolution and field variance
• The properties of the first galaxies in the BLUETIDES simulation
• Dark-ages Reionization and Galaxy Formation Simulation - X. The small contribution of quasars to reionization
• The evolution of the star forming sequence in hierarchical galaxy formation models
• Galaxy formation in the PLANCK cosmology - III. The high-redshift universe
• The far infra-red SEDs of main sequence and starburst galaxies
• A new methodology to test galaxy formation models using the dependence of clustering on stellar mass
• Variations of the Initial Mass Function in Semi-Analytical models
• Revisiting HOD model assumptions: the impact of AGN feedback and assembly bias

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