419 citations · 8.4k across the 198 of their papers we have counts for
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Early Results from GLASS-JWST. XXV. Electron Density in the Interstellar Medium at with NIRSpec High-resolution Spectroscopy
Sijia Li, Xin Wang, Yuguang Chen +17
The electron density () of the interstellar medium (ISM) in star-forming galaxies is intimately linked to star formation and ionization condition. Using the high-resol…
An unambiguous AGN and a Balmer break in an Ultraluminous Little Red Dot at z=4.47 from Ultradeep UNCOVER and All the Little Things Spectroscopy
Ivo Labbe, Jenny E. Greene, Jorryt Matthee +37
We present a detailed exploration of the most optically-luminous Little Red Dot (erg/s, erg/s, F444W=22AB) found to date. Located in the Abell 2744 fie…
PANORAMIC: Discovery of an Ultra-Massive Grand-Design Spiral Galaxy at
Mengyuan Xiao, Christina C. Williams, Pascal A. Oesch +26
We report the discovery of an ultra-massive grand-design red spiral galaxy, named Zhúlóng (Torch Dragon), at in the JWST PANORAMIC survey, identi…
JWST UNCOVERs the Optical Size - Stellar Mass Relation at : Rapid Growth in the Sizes of Low Mass Galaxies in the First Billion Years of the Universe
Tim B. Miller, Katherine A. Suess, David J. Setton +21
We study the rest-frame optical and ultraviolet morphology of galaxies in the first billion years of the Universe. Using JWST data from the UNCOVER and MegaScience surveys targetin…
The MAGPI Survey: Insights into the Lyman-alpha line widths and the size of ionized bubbles at the edge of cosmic reionization
T. Mukherjee, T. Zafar, T. Nanayakkara +18
We present spectroscopic properties of 22 Lyman-alpha emitters(LAEs) at z=5.5-6.6 with Lyman-alpha(Lya) luminosity log([])=42.4-43.5, obtained using VLT/MUSE as…
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…
Age-dating early quiescent galaxies: high star-formation efficiency, but consistent with direct, higher-redshift observations
Crispin Turner, Sandro Tacchella, Francesco D'Eugenio +9
We present a detailed analysis of JWST/NIRSpec and NIRCam observations of ZF-UDS-7329, a massive, quiescent galaxy at redshift , which has been put forward to challenge cosm…
The formation histories of massive and quiescent galaxies in the 3 < z < 4.5 Universe
Themiya Nanayakkara, Karl Glazebrook, Corentin Schreiber +16
We present the formation histories of 19 massive () quiescent (sSFR) galaxy candidates at z~3.0-4.5 observed using JWST/NIRSpec. This completes th…
A Giant Disk Galaxy Two Billion Years After The Big Bang
Weichen Wang, Sebastiano Cantalupo, Antonio Pensabene +14
Observational studies showed that galaxy disks are already in place in the first few billion years of the universe. The early disks detected so far, with typical half-light radii o…
UNCOVER: Significant Reddening in Cosmic Noon Quiescent Galaxies
Jared Siegel, David Setton, Jenny Greene +19
We explore the physical properties of five massive quiescent galaxies at , revealing the presence of non-negligible dust reservoirs. JWST NIRSpec observations were obtain…
The diverse star formation histories of early massive, quenched galaxies in modern galaxy formation simulations
Claudia del P. Lagos, Francesco Valentino, Ruby J. Wright +13
We present a comprehensive study of the star formation histories of massive-quenched galaxies at in 3 semi-analytic models (SHARK, GAEA, GALFORM) and 3 cosmological hydrodyna…
UNCOVERing the High-redshift AGN Population among Extreme UV Line Emitters
Helena Treiber, Jenny Greene, John R. Weaver +23
JWST has revealed diverse new populations of high-redshift () AGN and extreme star-forming galaxies that challenge current models. In this paper, we use rest-frame UV em…
MSA-3D: Metallicity Gradients in Galaxies at with JWST/NIRSpec Slit-stepping Spectroscopy
Mengting Ju, Xin Wang, Tucker Jones +14
The radial gradient of gas-phase metallicity is a powerful probe of the chemical and structural evolution of star-forming galaxies, closely tied to disk formation and gas kinematic…
Gravitational Lensing Reveals Cool Gas within 10-20 kpc around a Quiescent Galaxy
Tania M. Barone, Glenn G. Kacprzak, James W. Nightingale +12
While quiescent galaxies have comparable amounts of cool gas in their outer circumgalactic medium (CGM) compared to star-forming galaxies, they have significantly less interstellar…
Accurate Simultaneous Constraints on the Dust Mass, Temperature and Emissivity Index of a Galaxy at Redshift 7.31
Hiddo Algera, Hanae Inami, Ilse De Looze +21
We present new multi-frequency ALMA continuum observations of the massive [], UV-luminous [] $z=7.31…
MSA-3D: dissecting galaxies at z~1 with high spatial and spectral resolution
Ivana Barišić, Tucker Jones, Kris Mortensen +18
Integral field spectroscopy (IFS) is a powerful tool for understanding the formation of galaxies across cosmic history. We present the observing strategy and first results of MSA-3…
The UNCOVER Survey: First Release of Ultradeep JWST/NIRSpec PRISM spectra for ~700 galaxies from z~0.3-13 in Abell 2744
Sedona H. Price, Rachel Bezanson, Ivo Labbe +38
We present the design and observations of low resolution JWST/NIRSpec PRISM spectroscopy from the Ultradeep NIRSpec and NIRCam ObserVations before the Epoch of Reionization (UNCOVE…
Charting the Lyman-alpha escape fraction in the range 2.9<z<6.7 and consequences for the LAE reionisation contribution
Ilias Goovaerts, Tran Thi Thai, Roser Pello +5
The escape of Lyman-alpha photons at redshifts greater than two is an ongoing subject of study and an important quantity to further understanding of Lyman-alpha emitters (LAEs), th…
The Extreme Low-mass End of the Mass-Metallicity Relation at
Iryna Chemerynska, Hakim Atek, Pratika Dayal +17
The mass-metallicity relation (MZR) provides crucial insights into the baryon cycle in galaxies and provides strong constraints on galaxy formation models. We use \jwst\ NIRSpec ob…
The MUSE eXtremely Deep Field: Detections of circumgalactic SiII* emission at z>~2
Haruka Kusakabe, Valentin Mauerhofer, Anne Verhamme +17
The circumgalactic medium (CGM) serves as a baryon reservoir that connects galaxies to the intergalactic medium and fuels star formation. The spatial distribution of the metal-enri…
The origin of large emission line widths in massive galaxies at redshifts
M. Martínez-Marín, K. Glazebrook, T. Nanayakkara +5
We present a sample of 22 massive galaxies with stellar masses at with deep H and K-band high resolution spectra (R=3500-3000) from Keck/MOSFIRE and VL…
Medium Bands, Mega Science: a JWST/NIRCam Medium-Band Imaging Survey of Abell 2744
Katherine A. Suess, John R. Weaver, Sedona H. Price +39
In this paper, we describe the "Medium Bands, Mega Science" JWST Cycle 2 survey (JWST-GO-4111) and demonstrate the power of these data to reveal both the spatially-integrated and s…
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…
MOSEL survey: Spatially offset Lyman-continuum emission in a new emitter at z=3.088
Anshu Gupta, Cathryn M. Trott, Ravi Jaiswar +9
We present the discovery of a unique Lyman-continuum (LyC) emitter at z=3.088. The LyC emission were detected using the Hubble Space Telescope (HST) WFC3/UVIS F336W filter, coverin…