The far-ultraviolet continuum slope as a Lyman Continuum escape estimator at high redshift

J Chisholm, A Saldana-Lopez, S Flury… - Monthly Notices of …, 2022‏ - academic.oup.com
Most of the hydrogen in the intergalactic medium (IGM) was rapidly ionized at high redshifts.
While observations have established that reionization occurred, observational constraints on …

Closing in on the sources of cosmic reionization: First results from the GLASS-JWST program

S Mascia, L Pentericci, A Calabrò, T Treu… - Astronomy & …, 2023‏ - aanda.org
The escape fraction of Lyman-continuum (LyC) photons (f esc) is a key parameter for
determining the sources of cosmic reionization at z≥ 6. At these redshifts, owing to the …

An extreme blue nugget, UV-bright starburst at z = 3.613 with 90 per cent of Lyman continuum photon escape

R Marques-Chaves, D Schaerer… - Monthly Notices of …, 2022‏ - academic.oup.com
We present the discovery and analysis of J1316+ 2614 at z= 3.6130, a UV-bright star-
forming galaxy (M UV≃− 24.7) with large escape of Lyman continuum (LyC) radiation …

The VANDELS survey: the ionizing properties of star-forming galaxies at 3 ≤ z ≤ 5 using deep rest-frame ultraviolet spectroscopy

A Saldana-Lopez, D Schaerer… - Monthly Notices of …, 2023‏ - academic.oup.com
The physical properties of Epoch of Reionization (EoR) galaxies are still poorly constrained
by observations. To better understand the ionizing properties of galaxies in the EoR, we …

Ionized gas kinematics and chemical abundances of low-mass star-forming galaxies at z∼ 3

M Llerena, R Amorín, L Pentericci, A Calabrò… - Astronomy & …, 2023‏ - aanda.org
Context. Feedback from massive stars plays a crucial role in regulating the growth of young
star-forming galaxies (SFGs) and in sha** their interstellar medium (ISM). This feedback …

Ly α emission in low-redshift most metal-deficient compact star-forming galaxies

YI Izotov, TX Thuan, NG Guseva… - Monthly Notices of …, 2024‏ - academic.oup.com
We present observations with the Cosmic Origins Spectrograph onboard the Hubble Space
Telescope of nine most metal-deficient compact star-forming galaxies with oxygen …

The Low-redshift Lyman Continuum Survey: Optically Thin and Thick Mg ii Lines as Probes of Lyman Continuum Escape

X Xu, A Henry, T Heckman, J Chisholm… - The Astrophysical …, 2023‏ - iopscience.iop.org
The Mg ii λλ2796, 2803 doublet has been suggested as a useful indirect indicator for the
escape of Lyα and Lyman continuum (LyC) photons in local star-forming galaxies. However …

Lyman alpha and Lyman continuum emission of Mg ii-selected star-forming galaxies

YI Izotov, J Chisholm, G Worseck… - Monthly Notices of …, 2022‏ - academic.oup.com
We present observations with the Cosmic Origins Spectrograph onboard the Hubble Space
Telescope of seven compact low-mass star-forming galaxies at redshifts, z, in the range …

The JWST-PRIMAL archival survey-A JWST/NIRSpec reference sample for the physical properties and Lyman-α absorption and emission of∼ 600 galaxies at z= 5.0 …

KE Heintz, GB Brammer, D Watson, PA Oesch… - Astronomy & …, 2025‏ - aanda.org
Context. One of the surprising early findings with JWST has been the discovery of a strong
“roll-over” or a softening of the absorption edge of Lyα in a large number of galaxies at z≳ 6 …

Spectral shapes of the Ly α emission from galaxies–II. The influence of stellar properties and nebular conditions on the emergent Ly α profiles

MJ Hayes, A Runnholm, C Scarlata… - Monthly Notices of …, 2023‏ - academic.oup.com
We demonstrate how the stellar and nebular conditions in star-forming galaxies modulate
the emission and spectral profile of H i Ly α emission line. We examine the net Ly α output …