Results 161 to 170 of about 34,994 (298)
The Low-redshift Lyman Continuum Survey. I. New, Diverse Local Lyman Continuum Emitters
The Astrophysical Journal Supplement Series, 2022 The origins of Lyman continuum (LyC) photons responsible for the reionization of the universe are as of yet unknown and highly contested. Detecting LyC photons from the Epoch of Reionization is not possible due to absorption by the intergalactic medium ...
Sophia R. Flury +46 more
doaj +1 more source
The reionization of galactic satellite populations [PDF]
, 2014 We use high resolution simulations of the formation of the local group post-processed by a radiative transfer code for UV photons, to investigate the reionization of the satellite populations of an isolated Milky Way-M31 galaxy pair in a variety of scenarios. We use an improved version of ATON which includes a simple recipe for radiative feedback.
arxiv +1 more source
, 2009 In this paper, we explore the constraints on the reionization history that are provided by current observations of the Lyman-alpha forest and the CMB.
Abraham Loeb +73 more
core +1 more source
The Effect of Absorption Systems on Cosmic Reionization [PDF]
, 2012 We use large-scale simulations to investigate the morphology of reionization during the final, overlap phase. Our method uses an efficient three-dimensional smoothing technique which takes into account the finite mean free path due to absorption systems,
Abel +25 more
core +2 more sources
LIMFAST. III. Timing Cosmic Reionization with the 21 cm and Near-infrared Backgrounds
The Astrophysical JournalThe timeline of cosmic reionization remains uncertain despite sustained efforts to study how the ionizing output of early galaxies shaped the intergalactic medium (IGM).
Guochao Sun +4 more
doaj +1 more source
Dust in the Reionization Era: ALMA Observations of a z = 8.38 Gravitationally Lensed Galaxy [PDF]
, 2017 We report on the detailed analysis of a gravitationally lensed Y-band dropout, A2744_YD4, selected from deep Hubble Space Telescope imaging in the Frontier Field cluster Abell 2744.
N. Laporte +8 more
semanticscholar +1 more source
Reionization optical depth determination from Planck HFI data with ten percent accuracy [PDF]
Astronomy & Astrophysics, 2019 We present an estimation of the reionization optical depth τ from an improved analysis of data from the High Frequency Instrument (HFI) on board the Planck satellite. By using an improved version of the HFI map-making code, we greatly reduce the residual
L. Pagano +4 more
semanticscholar +1 more source
Hydrogen reionization in the Illustris universe [PDF]
Monthly Notices of the Royal Astronomical Society, 2015 Hydrodynamical simulations of galaxy formation such as the Illustris simulations have progressed to a state where they approximately reproduce the observed stellar mass function from high to low redshift. This in principle allows self-consistent models of reionization that exploit the accurate representation of the diffuse gas distribution together ...
Volker Springel +8 more
openaire +6 more sources
Reionization Parameter Inference from 3D Minkowski Functionals of the 21 cm Signals
The Astrophysical JournalThe Minkowski functionals (MFs), a set of topological summary statistics, have emerged as a powerful tool for extracting non-Gaussian information.
Kangning Diao +3 more
doaj +1 more source
The Astrophysical Journal Letters, 2023 Studies of rest-frame optical emission in quasars at z > 6 have historically been limited by the wavelengths accessible by ground-based telescopes. The James Webb Space Telescope (JWST) now offers the opportunity to probe this emission deep into the ...
Jinyi Yang +55 more
doaj +1 more source