activity
20142026
most citedEarly results from GLASS-JWST. III: Galaxy candidates at z9-15

339 citations · 3.8k across the 90 of their papers we have counts for

collaborators

90 papers

astro-ph.GA2026

Beyond UV: Rest-frame B-band and Apparent Luminosity Functions of z=5-9 Galaxies

Nicha Leethochawalit, Takahiro Morishita, Tirawut Worrakitpoonpon +1

We present new measurements of galaxy luminosity functions (LFs) from JWST/NIRCam imaging over the redshift range z=4.5-9.7, using photometric catalogs from JADES and public extrag…

astro-ph.GA2024★ 28 cited

The Dual Nature of GHZ9: Coexisting Active Galactic Nuclei and Star Formation Activity in a Remote X-ray Source at z = 10.145

Lorenzo Napolitano, Marco Castellano, Laura Pentericci +33

We present James Webb Space Telescope (JWST)/NIRSpec PRISM spectroscopic characterization of GHZ9 at z= 10.145 0.010, currently the most distant source detected by the Chandr…

astro-ph.GA2024★ 14 cited

The GLASS-JWST Early Release Science Program. IV. Data release of 263 spectra from 245 unique sources

S. Mascia, G. Roberts-Borsani, T. Treu +24

We release fully reduced spectra obtained with NIRSpec onboard JWST as part of the GLASS-JWST Early Release Science Program and a follow-up Director's Discretionary Time program 27…

astro-ph.GA2024★ 9 cited

The BoRG- Survey: Abundance and Mass-to-light Ratio of Luminous Galaxies from Independent Sight Lines with NIRSpec

Sofía Rojas-Ruiz, Micaela B. Bagley, Guido Roberts-Borsani +12

We present new results on the rest-frame UV luminosity function (UVLF) and stellar mass-to-light (M/L) ratio of bright (M mag) spectroscopically-confirmed gal…

astro-ph.GA2024

The BoRG-JWST Survey: Program Overview and First Confirmations of Luminous Reionization-Era Galaxies from Pure-Parallel Observations

Guido Roberts-Borsani, Micaela Bagley, Sofía Rojas-Ruiz +18

We present the BoRG-JWST survey, a combination of two JWST Cycle 1 programs aimed at obtaining NIRSpec spectroscopy of representative, UV-bright galaxy candidates across 2…

astro-ph.GA2024

Dissecting the Interstellar Media of A Wolf-Rayet Galaxy at

Takahiro Morishita, Massimo Stiavelli, Stefan Schuldt +1

We report JWST/NIRSpec observations of a star-forming galaxy at , MACSJ1149-WR1. We securely detect two temperature-sensitive auroral lines, [SIII]6312 (7.4) and [OII]73…

astro-ph.GA2024★ 13 cited

JWST NIRSpec Spectroscopy of the Remarkable Bright Galaxy GHZ2/GLASS-z12 at Redshift 12.34

Marco Castellano, Lorenzo Napolitano, Adriano Fontana +28

We spectroscopically confirm the mag galaxy GHZ2/GLASS-z12 to be at redshift . The source was selected via NIRCam photometry in GLASS-JWST ERS data, p…

astro-ph.GA2024★ 1 cited

Diverse Oxygen Abundance in Early Galaxies Unveiled by Auroral Line Analysis with JWST

Takahiro Morishita, Massimo Stiavelli, Claudio Grillo +10

We present deep JWST NIRSpec observations in the sightline of MACS J1149.5+2223, a massive cluster of galaxies at . We report the spectroscopic redshift of 28 sources at $3…

astro-ph.GA2024★ 5 cited

The THESAN project: galaxy sizes during the epoch of reionization

Xuejian Shen, Mark Vogelsberger, Josh Borrow +12

We investigate galaxy sizes at redshift with the cosmological radiation-magneto-hydrodynamic simulation suite THESAN(-HR). These simulations simultaneously capture the…

astro-ph.GA2023★ 20 cited

Early results from GLASS-JWST. XXVII. The mass-metallicity relation in lensed field galaxies at cosmic noon with NIRISS

Xianlong He, Xin Wang, Tucker Jones +20

We present a measurement of the mass-metallicity relation (MZR) at cosmic noon, using the JWST near-infrared wide-field slitless spectroscopy obtained by the GLASS-JWST Early Relea…

astro-ph.GA2023★ 2 cited

The puzzling properties of the MACS1149-JD1 galaxy at z=9.11

Massimo Stiavelli, Takahiro Morishita, Marco Chiaberge +6

We analyze new JWST NIRCam and NIRSpec data on the redshift 9.11 galaxy MACS1149-JD1. Our NIRCam imaging data reveal that JD1 comprises three spatially distinct components. Our spe…

astro-ph.GA2023★ 4 cited

Enhanced Sub-kpc Scale Star-formation: Results From A JWST Size Analysis of 341 Galaxies At 5<z<14

Takahiro Morishita, Massimo Stiavelli, Ranga-Ram Chary +7

We present a comprehensive search and analysis of high-redshift galaxies in a suite of nine public JWST extragalactic fields taken in Cycle 1, covering a total effective search are…

astro-ph.IM2023★ 4 cited

The Near Infrared Imager and Slitless Spectrograph for the James Webb Space Telescope -- I. Instrument Overview and in-Flight Performance

Rene Doyon, C. J Willott, John B. Hutchings +60

The Near-Infrared Imager and Slitless Spectrograph (NIRISS) is the science module of the Canadian-built Fine Guidance Sensor (FGS) onboard the James Webb Space Telescope (JWST). NI…

astro-ph.GA2023★ 2 cited

A Multi-Wavelength Investigation of Dust and Stellar Mass Distributions in Galaxies: Insights from High-Resolution JWST Imaging

Zhaoran Liu, Takahiro Morishita, Tadayuki Kodama

We study the morphological properties of mid-infrared selected galaxies at in the SMACS J0723.3-7327 cluster field, to investigate the mechanisms of galaxy mass assembl…

astro-ph.GA2023★ 11 cited

Early results from GLASS-JWST. XX: Unveiling a population of "red-excess'' galaxies in Abell2744 and in the coeval field

Benedetta Vulcani, Tommaso Treu, Antonello Calabro +26

We combine JWST/NIRCam imaging and MUSE data to characterize the properties of galaxies in different environmental conditions in the cluster Abell2744 () and in its immed…

astro-ph.GA2023★ 17 cited

Early Results from GLASS-JWST XXIII: The transmission of Lyman-alpha from UV-faint z ~ 3-6 galaxies

Gonzalo Prieto-Lyon, Charlotte Mason, Sara Mascia +18

Lyman-alpha (Ly) emission from galaxies can be used to trace neutral hydrogen in the epoch of reionization, however, there is a degeneracy between the attenuation of Ly in th…

astro-ph.GA2023★ 70 cited

The GLASS-JWST Early Release Science Program. III. Strong lensing model of Abell 2744 and its infalling regions

Pietro Bergamini, Ana Acebron, Claudio Grillo +23

We present a new high-precision, JWST-based, strong lensing model for the galaxy cluster Abell 2744 at . By combining the deep, high-resolution JWST imaging from the GLAS…

astro-ph.GA2023★ 9 cited

A massive interacting galaxy 510 million years after the Big Bang

Kristan Boyett, Michele Trenti, Nicha Leethochawalit +24

JWST observations confirm the existence of galaxies as early as 300Myr and at a higher number density than expected based on galaxy formation models and HST observations. Yet, sour…

astro-ph.GA2023★ 85 cited

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

S. Mascia, L. Pentericci, A. Calabro' +29

The escape fraction of Lyman-continuum (LyC) photons () is a key parameter for determining the sources of cosmic reionization at . At these redshifts, owing to th…

astro-ph.GA2023★ 55 cited

Early Results from GLASS-JWST. XXI: Rapid assembly of a galaxy at z=6.23 revealed by its C/O abundance

Tucker Jones, Ryan Sanders, Yuguang Chen +21

The abundance of carbon relative to oxygen (C/O) is a promising probe of star formation history in the early universe, as the ratio changes with time due to production of these ele…

astro-ph.GA2023★ 36 cited

The GLASS-JWST Early Release Science Program. II. Stage I release of NIRCam imaging and catalogs in the Abell 2744 region

Diego Paris, Emiliano Merlin, Adriano Fontana +27

We present images and a multi-wavelength photometric catalog based on all of the JWST NIRCam observations obtained to date in the region of the Abell 2744 galaxy cluster. These dat…

astro-ph.GA2022★ 6 cited

Near-infrared characterization of ultra-diffuse galaxies in Abell 2744 by JWST/NIRISS imaging

Ryota Ikeda, Takahiro Morishita, Takafumi Tsukui +10

We present a search and characterization of ultra-diffuse galaxies (UDGs) in the Frontier Fields cluster Abell~2744 at . We use JWST/NIRISS F200W observations, acquired as…

astro-ph.GA2022★ 123 cited

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…

astro-ph.GA2022★ 58 cited

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…