Median surface-brightness profiles of Lyman-α haloes in the MUSE Extremely Deep Field

Y Guo, R Bacon, L Wisotzki, T Garel, J Blaizot… - Astronomy & …, 2024 - aanda.org
We present the median surface brightness profiles of diffuse Lyα haloes (LAHs) around star-
forming galaxies by stacking 155 spectroscopically confirmed Lyα emitters (LAEs) at 3< z< 4 …

The contribution of faint Lyman-α emitters to extended Lyman-α halos constrained by MUSE clustering measurements

YH Alonso, L Wisotzki, T Miyaji, J Schaye… - Astronomy & …, 2023 - aanda.org
Recent detections of extended Lyman-α halos around Lyα emitters (LAEs) have been
reported on a regular basis, but their origin is still under investigation. Simulation studies …

The intrinsic distribution of Lyman-α halos

J Pharo, L Wisotzki, T Urrutia, R Bacon, I Pessa… - Astronomy & …, 2024 - aanda.org
The emission and escape of Lyman-α photons from star-forming galaxies is determined
through complex interactions between the emitted photons and a galaxy's interstellar and …

The stellar population of az∼ 3.25 Lyα-emitting group associated with a damped Lyα absorber

G Pruto, M Fumagalli, M Rafelski, M Revalski… - Astronomy & …, 2024 - aanda.org
We present near-infrared observations, acquired with the Wide Field Camera 3 (WFC3) on
board the Hubble Space Telescope (HST), of a Lyα-emitting double-clumped nebula at z≈ …

Halo Asymmetry in the Modeling of Galaxy Clustering

A Durkalec, A Pollo, U Abbas - The Astrophysical Journal, 2024 - iopscience.iop.org
Conventional studies of galaxy clustering within the framework of halo models typically
assume that the density profile of all dark matter halos can be approximated by the Navarro …

The MUSE Ultra Deep Field (VIII): A 5 Mpc stretch of the z 4 cosmic web revealed in emission

D Tornotti, M Fumagalli, M Fossati, FA Battaia… - arXiv preprint arXiv …, 2024 - arxiv.org
We detect Ly $\alpha $ emission from a~ 5 Mpc-long (comoving) portion of the cosmic web
hosting an overdensity ($\delta\approx 25$) of 19 Ly $\alpha $ emitters (LAEs) at $ z\approx …

Large-scale excess H i absorption around z ≈ 4 galaxies detected in a background galaxy spectrum in the MUSE eXtremely deep field

J Matthee, C Golling, R Mackenzie… - Monthly Notices of …, 2024 - academic.oup.com
Observationally mapping the relation between galaxies and the intergalactic medium (IGM)
is of key interest for studies of cosmic reionization. Diffuse hydrogen gas has typically been …

A new constraint on galaxy-halo connections of [O II] emitters via HOD modelling with angular clustering and luminosity functions from the Subaru HSC survey

S Ishikawa, T Okumura, M Hayashi… - arXiv preprint arXiv …, 2024 - arxiv.org
Establishing a robust connection model between emission-line galaxies (ELGs) and their
host dark haloes is of paramount importance in anticipation of upcoming redshift surveys. In …

A 100 Mpc structure traced by hyperluminous galaxies around a massive = 2.85 protocluster

GCP Wang, SC Chapman, N Sulzenauer… - arXiv preprint arXiv …, 2024 - arxiv.org
We present wide-field mapping at 850$\mu $ m and 450$\mu $ m of the $ z $= 2.85
protocluster in the HS1549 $+ $19 field using the Submillimetre Common User Bolometer …

Unveiling the cosmic dawn and epoch of reionization using cosmic 21-cm signal

A Bera - arXiv preprint arXiv:2311.13019, 2023 - arxiv.org
The cosmological 21-cm signal from neutral hydrogen, which is considered as a promising
tool, is being used to observe and study the cosmic dawn (CD) and epoch of reionization …