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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…
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…
Disk kinematics at high redshift: DysmalPy's extension to 3D modeling and comparison with different approaches
Lilian L. Lee, Natascha M. Förster Schreiber, Sedona H. Price +14
Spatially-resolved emission line kinematics are invaluable to investigating fundamental galaxy properties and have become increasingly accessible for galaxies at thro…
Little Red Dots at an Inflection Point: Ubiquitous "V-Shaped" Turnover Consistently Occurs at the Balmer Limit
David J. Setton, Jenny E. Greene, Anna de Graaff +18
Among the most puzzling early discoveries of JWST are "Little Red Dots" -- compact red sources that host broad Balmer emission lines and, in many cases, exhibit a "V shaped" change…
JWST Reveals Bulge-dominated Star-forming Galaxies at Cosmic Noon
Chloë E. Benton, Erica J. Nelson, Tim B. Miller +10
Hubble Space Telescope imaging shows that most star-forming galaxies at cosmic noon -- the peak of cosmic star formation history -- appear disk-dominated, leaving the origin of the…
RUBIES: JWST/NIRSpec resolves evolutionary phases of dusty star-forming galaxies at
Olivia R. Cooper, Gabriel Brammer, Kasper E. Heintz +24
The dearth of high quality spectroscopy of dusty star-forming galaxies (DSFGs) -- the main drivers of the assembly of dust and stellar mass at the peak of activity in the Universe…
UNCOVER: 404 Error -- Models Not Found for the Triply Imaged Little Red Dot A2744-QSO1
Yilun Ma, Jenny E. Greene, David J. Setton +20
JWST has revealed an abundance of compact, red objects at dubbed "little red dots" (LRDs), whose SEDs display a faint blue UV continuum followed by a steep rise in th…
Stacking and Analyzing MOSDEF Galaxies by Spectral Types: Implications for Dust Geometry and Galaxy Evolution
Brian Lorenz, Mariska Kriek, Alice E. Shapley +12
We examine star-formation and dust properties for a sample of 660 galaxies at in the MOSDEF survey by dividing them into groups with similarly-shaped spectral…
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…
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…
RUBIES: a complete census of the bright and red distant Universe with JWST/NIRSpec
Anna de Graaff, Gabriel Brammer, Andrea Weibel +25
We present the Red Unknowns: Bright Infrared Extragalactic Survey (RUBIES), providing JWST/NIRSpec spectroscopy of red sources selected across ~150 arcmin from public JWST/NIRC…
JADES Ultra-red Flattened Objects: Morphologies and Spatial Gradients in Color and Stellar Populations
Justus L. Gibson, Erica Nelson, Christina C. Williams +20
One of the more surprising findings after the first year of JWST observations is the large number of spatially extended galaxies (ultra-red flattened objects, or UFOs) among the op…
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…
DESI Massive Post-Starburst Galaxies at have compact structures and dense cores
Yunchong Zhang, David J. Setton, Sedona H. Price +33
Post-starburst galaxies (PSBs) are young quiescent galaxies that have recently experienced a rapid decrease in star formation, allowing us to probe the fast-quenching period of gal…
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 ALMA-CRISTAL survey: Dust temperature and physical conditions of the interstellar medium in a typical galaxy at z=5.66
V. Villanueva, R. Herrera-Camus, J. Gonzalez-Lopez +25
We present new m dust continuum observations from the ALMA of HZ10 (CRISTAL-22), a dusty main-sequence galaxy at =5.66 as part of the [CII] Resolved Ism in…
Carbon and Iron Deficiencies in Quiescent Galaxies at z=1-3 from JWST-SUSPENSE: Implications for the Formation Histories of Massive Galaxies
Aliza G. Beverage, Martje Slob, Mariska Kriek +20
We present the stellar metallicities and multi-element abundances (C, Mg, Si, Ca, Ti, Cr, and Fe) of 15 massive (log ) quiescent galaxies at z=1-3, derived fro…
The First Combined H and Rest-UV Spectroscopic Probe of Galactic Outflows at High Redshift
Emily Kehoe, Alice E. Shapley, N. M Forster Schreiber +6
We investigate the multi-phase structure of gas flows in galaxies. We study 80 galaxies during the epoch of peak star formation () using data from Keck/LRIS and V…
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 JWST-SUSPENSE Ultradeep Spectroscopic Program: Survey Overview and Star-Formation Histories of Quiescent Galaxies at 1 < z < 3
Martje Slob, Mariska Kriek, Aliza G. Beverage +19
We present an overview and first results from the Spectroscopic Ultradeep Survey Probing Extragalactic Near-infrared Stellar Emission (SUSPENSE), executed with NIRSpec on JWST. The…
Efficient formation of a massive quiescent galaxy at redshift 4.9
Anna de Graaff, David J. Setton, Gabriel Brammer +23
Within the established framework of structure formation, galaxies start as systems of low stellar mass and gradually grow into far more massive galaxies. The existence of massive g…
UNCOVER NIRSpec/PRISM Spectroscopy Unveils Evidence of Early Core Formation in a Massive, Centrally Dusty Quiescent Galaxy at
David J. Setton, Gourav Khullar, Tim B. Miller +28
We report the spectroscopic confirmation of a massive (), HST-dark () quiescent galaxy at…