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Early Results from GLASS-JWST. XIX: A High Density of Bright Galaxies at in the Abell 2744 Region
Marco Castellano, Adriano Fontana, Tommaso Treu +38
We report the detection of a high density of redshift galaxies behind the foreground cluster Abell 2744, selected from imaging data obtained recently with NIRCam onbo…
The production of ionizing photons in UV-faint z~3-7 galaxies
Gonzalo Prieto-Lyon, Victoria Strait, Charlotte A. Mason +20
The demographics of the production and escape of ionizing photons from UV-faint early galaxies is a key unknown in discovering the primary drivers of reionization. With the advent…
Early results from GLASS-JWST. XIV: A spectroscopically confirmed protocluster 650 million years after the Big Bang
Takahiro Morishita, Guido Roberts-Borsani, Tommaso Treu +39
We present the spectroscopic confirmation of a protocluster at behind the galaxy cluster Abell2744 (hereafter A2744-z7p9OD). Using JWST NIRSpec, we find seven galaxies wit…
Early results from GLASS-JWST. VI: Extreme rest-optical equivalent widths detected in NIRISS Wide Field Slitless Spectroscopy
K. Boyett, S. Mascia, L. Pentericci +27
Wide Field Slitless Spectroscopy (WFSS) provides a powerful tool for detecting strong line emission in star forming galaxies (SFGs) without the need for target pre-selection. As pa…
The GLASS James Webb Space Telescope Early Release Science Program. I. Survey Design and Release Plans
T. Treu, G. Roberts-Borsani, M. Bradac +43
The GLASS James Webb Space Telescope Early Release Science (hereafter GLASS-JWST-ERS) Program will obtain and make publicly available the deepest extragalactic data of the ERS camp…
Early Results from GLASS-JWST. I: Confirmation of Lensed Lyman-Break Galaxies Behind the Abell 2744 Cluster With NIRISS
Guido Roberts-Borsani, Takahiro Morishita, Tommaso Treu +29
We present the first search for , continuum-confirmed sources with NIRISS/WFS spectroscopy over the Abell 2744 Frontier Fields cluster, as part of the GLASS-JWST ERS s…
Early results from GLASS-JWST. XI: Stellar masses and mass-to-light ratio of z>7 galaxies
P. Santini, A. Fontana, M. Castellano +26
We exploit James Webb Space Telescope (JWST) NIRCam observations from the GLASS-JWST-Early Release Science program to investigate galaxy stellar masses at z>7. We first show that J…
Early results from GLASS-JWST. X: Rest-frame UV-optical properties of galaxies at 7 < z < 9
N. Leethochawalit, M. Trenti, P. Santini +23
We present the first James Webb Space Telescope/NIRCam-led determination of galaxy properties based on broadband imaging from 0.8 to 5~ as part of the GLASS-JW…
Early results from GLASS-JWST. III: Galaxy candidates at z9-15
Marco Castellano, Adriano Fontana, Tommaso Treu +27
We present the results of a first search for galaxy candidates at z9--15 on deep seven-bands NIRCam imaging acquired as part of the GLASS-JWST Early Release Science Program o…
Properties of the interstellar medium in star-forming galaxies at redshifts 2 < z < 5 from the VANDELS survey
A. Calabrò, L. Pentericci, M. Talia +16
Gaseous flows inside and outside galaxies are key to understanding galaxy evolution, as they regulate their star formation activity across cosmic time. We study the ISM kinematics…
Strong C IV emission from star-forming galaxies: a case for high Lyman continuum photon escape
A. Saxena, E. Cryer, R. S. Ellis +8
Finding reliable indicators of Lyman continuum (LyC) photon leakage from galaxies is essential in order to infer their escape fraction in the epoch of reionisation, where direct me…