activity
20152026
most citedThe Grism Lens-Amplified Survey from Space (GLASS). I. Survey overview and first data release

225 citations · 668 across the 21 of their papers we have counts for

collaborators

24 papers

astro-ph.GA2026

Cosmic Collisions I: Optical Morphologies for MIRI-selected galaxies from the PRIMER survey

Gregory Troiani, Allison Kirkpatrick, Leyna Bajaj +7

We present the first results of visual morphology classifications from the Cosmic Collisions project, comprising 14,657 galaxies from the JWST Public Release IMaging for Extragalac…

astro-ph.GA2026

PRISMS. GHZ1. A standard tale of galaxy evolution with atypical ionizing conditions at

Borja Pérez-Díaz, Marco Castellano, Javier Álvarez-Márquez +33

[Abridged] The first operating years of the James Webb Space Telescope (JWST) have revealed a surprising number of UV-bright objects, many of them characterized by t…

astro-ph.GA2026

The Roman eXtreme Deep Field (RXDF)

Haojing Yan, Anton M. Koekemoer, Yue Shen +127

The Roman eXtreme Deep Field (RXDF) program is one of the five General Astrophysics Survey (GAS) programs approved for observing time with the Nancy Grace Roman Space Telescope in…

astro-ph.CO2026

Probing the faint end of simulated galaxy counts at z>3

Flaminia Fortuni, Emiliano Merlin, Marco Castellano +2

Simulations and observations now probe comparable redshift regimes with unprecedented accuracy, enabling direct consistency tests through forward modeling. In a previous work, we i…

astro-ph.GA2026

Beyond the [OIII]4363 auroral line: [NeIII]3868 as a direct tracer of electron temperature

Borja Pérez-Díaz, José M. Vílchez, Marco Castellano +9

Auroral lines enable accurate measurements of chemical abundances in ionized gaseous nebulae thanks to their sensitivity to electron temperature. However, metal-enriched systems re…

astro-ph.GA2026★ 2 cited

ULTIMATE-deblending I. A 50-band Ultraviolet to Mid-infrared Photometric Catalog Combining Space- and Ground-based Data in the JWST/PRIMER survey

Hanwen Sun, Tao Wang, Ke Xu +16

Our understanding of the early Universe has long been limited by biased galaxy samples selected through various color criteria. With deep JWST infrared imaging, mass-complete galax…

astro-ph.GA2025★ 1 cited

Significant Evidence of an AGN Contribution in GHZ2 at z = 12.34

Oscar A. Chavez Ortiz, Steven L. Finkelstein, Adele Plat +18

GHZ2 is among the highest-redshift galaxies discovered to date, exhibiting a spectrum rich with prominent emission lines in the rest-frame ultraviolet (UV) and optical. These featu…

astro-ph.GA2025

JWST Spectroscopic Insights Into the Diversity of Galaxies in the First 500 Myr: Short-Lived Snapshots Along a Common Evolutionary Pathway

Guido Roberts-Borsani, Pascal Oesch, Richard Ellis +21

We investigate the nature and spectroscopic diversity of early galaxies from a sample of 41 sources at z>10 with JWST/NIRSpec prism observations. We compare the properties of stron…

astro-ph.GA2025★ 7 cited

The GLASS-JWST Early Release Science Programme: The NIRISS Spectroscopic Catalogue

Peter J. Watson, Benedetta Vulcani, Tommaso Treu +18

We present a spectroscopic redshift catalogue of sources in the Abell 2744 cluster field, derived from JWST/NIRISS observations taken as part of the GLASS-JWST Early Release Scienc…

astro-ph.GA2025★ 1 cited

The Cosmic Evolution Early Release Science Survey (CEERS)

Steven L. Finkelstein, Micaela B. Bagley, Pablo Arrabal Haro +96

We present the Cosmic Evolution Early Release Science (CEERS) Survey, a 77.2 hour Director's Discretionary Early Release Science Program. CEERS demonstrates, tests, and validates e…

astro-ph.GA2024★ 1 cited

ALMA detection of [OIII] 88um at z=12.33: Exploring the Nature and Evolution of GHZ2 as a Massive Compact Stellar System

Jorge A. Zavala, Tom Bakx, Ikki Mitsuhashi +21

We present ALMA observations on the high-redshift galaxy GHZ2 and report a successful detection of the rest-frame 88um atomic transition from doubly-ionized Oxygen at z=12.3327+/-0…

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.IM2024★ 12 cited

The Wide-field Spectroscopic Telescope (WST) Science White Paper

Vincenzo Mainieri, Richard I. Anderson, Jarle Brinchmann +214

The Wide-field Spectroscopic Telescope (WST) is proposed as a new facility dedicated to the efficient delivery of spectroscopic surveys. This white paper summarises the initial con…

astro-ph.GA2024★ 3 cited

Evidence of extreme ionization conditions and low metallicity in GHZ2/GLASS-z12 from a combined analysis of NIRSpec and MIRI observations

Antonello Calabro, Marco Castellano, Jorge A. Zavala +19

GHZ2/GLASS-z12 has been recently observed by JWST with both NIRSpec and MIRI spectrographs, making it the most distant galaxy () with complete spectroscopic coverag…

astro-ph.GA2024★ 66 cited

A luminous and young galaxy at z=12.33 revealed by a JWST/MIRI detection of Hα and [OIII]

Jorge A. Zavala, Marco Castellano, Hollis B. Akins +37

The James Webb Space Telescope (JWST) has discovered a surprising population of bright galaxies in the very early universe (<500 Myrs after the Big Bang) that is hard to explain wi…

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.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.GA2020★ 7 cited

The KMOS Lens-Amplified Spectroscopic Survey (KLASS): Kinematics and clumpiness of low-mass galaxies at cosmic noon

M. Girard, C. A. Mason, A. Fontana +9

We present results from the KMOS Lens-Amplified Spectroscopic Survey (KLASS), an ESO Very Large Telescope (VLT) large program using gravitational lensing to study the spatially res…

astro-ph.GA2020★ 112 cited

Missing [CII] emission from early galaxies

S. Carniani, A. Ferrara, R. Maiolino +9

ALMA observations have revealed that [CII] 158m line emission in high-z galaxies is ~2-3 more extended than the UV continuum emission. Here we explore whether surface br…

astro-ph.IM2018★ 29 cited

A-PHOT: a new, versatile code for precision aperture photometry

E. Merlin, S. Pilo, A. Fontana +5

We present A-PHOT, a new publicly available code for performing aperture photometry on astronomical images, that is particularly well suited for multi-band extragalactic surveys. A…

astro-ph.GA2018★ 42 cited

Mass and Light of Abell 370: A Strong and Weak Lensing Analysis

Victoria Strait, Marusa Bradac, Austin Hoag +13

We present a new gravitational lens model of the Hubble Frontier Fields cluster Abell 370 () using imaging and spectroscopy from Hubble Space Telescope and ground-based…

astro-ph.GA2016★ 53 cited

The Grism Lens-Amplified Survey from Space (GLASS). VI. Comparing the Mass and Light in MACSJ0416.1-2403 using Frontier Field imaging and GLASS spectroscopy

Austin Hoag, Kuang-Han Huang, Tommaso Treu +12

We present a strong and weak gravitational lens model of the galaxy cluster MACSJ0416.1-2403, constrained using spectroscopy from the Grism Lens-Amplified Survey from Space (GLASS)…

astro-ph.GA2015★ 225 cited

The Grism Lens-Amplified Survey from Space (GLASS). I. Survey overview and first data release

T. Treu, K. B. Schmidt, G. B. Brammer +19

We give an overview of the Grism Lens Amplified Survey from Space (GLASS), a large Hubble Space Telescope program aimed at obtaining grism spectroscopy of the fields of ten massive…

astro-ph.GA2015★ 46 cited

Spitzer UltRa Faint SUrvey Program (SURFS UP). II. IRAC-Detected Lyman-Break Galaxies at 6 < z < 10 Behind Strong-Lensing Clusters

Kuang-Han Huang, Maruša Bradač, Brian C. Lemaux +15

We study the stellar population properties of the IRAC-detected galaxy candidates from the Spitzer UltRa Faint SUrvey Program (SURFS UP). Using the Lyman…