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24 papers · 2 filters
A population of faint, old, and massive quiescent galaxies at 3 < z < 4 revealed by JWST NIRSpec Spectroscopy
Themiya Nanayakkara, Karl Glazebrook, Colin Jacobs +13
Here we present a sample of 12 massive quiescent galaxy candidates at z~3-4 observed with the James Webb Space Telescope (JWST) Near Infrared Spectrograph (NIRSpec). These galaxies…
JWST catches the assembly of a ultra-low-mass galaxy
Yoshihisa Asada, Marcin Sawicki, Guillaume Desprez +14
Using CANUCS imaging we found an apparent major merger of two ultra-low-mass galaxies ( each) that are doubly imaged and magnified 12-15$\t…
The first large catalogue of spectroscopic redshifts in Webb's First Deep Field, SMACS J0723.37327
Gaël Noirot, Guillaume Desprez, Yoshihisa Asada +20
We present a spectroscopic redshift catalogue of the SMACS J0723.37327 field ("Webb's First Deep Field") obtained from JWST/NIRISS grism spectroscopy and supplemented with JWST/…
Identifying and Characterizing the Most Heavily Dust-Obscured Galaxies at
Nicholas S. Martis, Danilo M. Marchesini, Adam Muzzin +2
We present 65 extremely dust-obscured galaxies from the UltraVISTA DR3 survey of the COSMOS field at . In contrast to other studies of dusty galaxies, we select our sample b…
Electron density variations in the interstellar medium and the average frequency profile of a scintle from pulsar scintillation spectra
N. Bartel, M. S. Burgin, E. N. Fadeev +4
We observed the scintillation pattern of nine bright pulsars at 324 MHz and three at 1.68 GHz and analyzed the wavenumber spectrum which is related to electron density variations o…
GOGREEN: a critical assessment of environmental trends in cosmological hydrodynamical simulations at z ~ 1
Egidijus Kukstas, Michael L. Balogh, Ian G. McCarthy +28
Recent observations have shown that the environmental quenching of galaxies at z ~ 1 is qualitatively different to that in the local Universe. However, the physical origin of these…
The THESAN project: Lyman-alpha emitter luminosity function calibration
Clara Xu, Aaron Smith, Josh Borrow +6
The observability of Lyman-alpha emitting galaxies (LAEs) during the Epoch of Reionization can provide a sensitive probe of the evolving neutral hydrogen gas distribution, thus set…
The MillenniumTNG Project: The galaxy population at
Rahul Kannan, Volker Springel, Lars Hernquist +11
The early release science results from have yielded an unexpected abundance of high-redshift luminous galaxies that seems to be in tension with current theories of…
The Velocity Dispersion Function for Massive Quiescent and Star-Forming Galaxies at 0.6 z 1.0
Lance Taylor, Rachel Bezanson, Arjen van der Wel +10
We present the first direct spectroscopic measurement of the stellar velocity dispersion function (VDF) for massive quiescent and star-forming galaxies at . For t…
A large-scale kinematic study of molecular gas in high-z cluster galaxies: Evidence for high levels of kinematic asymmetry
W. J. Cramer, A. G. Noble, K. Massingill +14
We investigate the resolved kinematics of the molecular gas, as traced by ALMA in CO (2-1), of 25 cluster member galaxies across three different clusters at a redshift of $z\sim1.6…
VLT/UVES Observation of the SDSS J2357-0048 Outflow
Doyee Byun, Nahum Arav, Patrick B. Hall
We found a broad absorption line (BAL) outflow in the VLT/UVES spectrum of the quasar SDSS J235702.54-004824.0, in which we identified four subcomponents. We measured the column de…
The Mass Scale of High-Redshift Galaxies: Virial Mass Estimates Calibrated with Stellar Dynamical Models from LEGA-C
Arjen van der Wel, Josha van Houdt, Rachel Bezanson +9
Dynamical models for galaxies at with spatially resolved (long-slit) stellar kinematic data from LEGA-C are used to calibrate virial mass estimates defined as $M_…
MAGAZ3NE: High Stellar Velocity Dispersions for Ultra-Massive Quiescent Galaxies at
Ben Forrest, Gillian Wilson, Adam Muzzin +17
In this work we publish stellar velocity dispersions, sizes, and dynamical masses for 8 ultra-massive galaxies (UMGs; log(/M, ) from the Massive Ancient Ga…
The Sparkler: Evolved High-Redshift Globular Clusters Captured by JWST
Lamiya A. Mowla, Kartheik G. Iyer, Guillaume Desprez +17
Using data from JWST, we analyze the compact sources ("sparkles") located around a remarkable galaxy (the "Sparkler") that is strongly gravitationally lensed b…
The GOGREEN Survey: Constraining the Satellite Quenching Timescale in Massive Clusters at
Devontae Baxter, Michael Cooper, Michael Balogh +15
We model satellite quenching at by combining massive () clusters at from the GOGREEN and…
Beyond UVJ: Color Selection of Galaxies in the JWST Era
Jacqueline Antwi-Danso, Casey Papovich, Joel Leja +8
We present a new rest-frame color-color selection method using "synthetic and '', colors to identify star-forming and quiescent galaxies. Our method is…
3D-DASH: The Widest Near-Infrared Hubble Space Telescope Survey
Lamiya A. Mowla, Sam E. Cutler, Gabriel B. Brammer +15
The 3D-Drift And SHift (3D-DASH) program is a \textit{Hubble Space Telescope} WFC3 F160W imaging and G141 grism survey of the equatorial COSMOS field. 3D-DASH extends the legacy of…
Resolved Stellar Mass Maps of Galaxies in the Hubble Frontier Fields: Evidence for Mass Dependency in Environmental Quenching
Vivian Yun Yan Tan, Adam Muzzin, Z. Cemile Marsan +9
One of the challenges in understanding the quenching processes for galaxies is connecting progenitor star-forming populations to their descendant quiescent populations over cosmic…
CLEAR: The Evolution of Spatially Resolved Star Formation in Galaxies between using H Emission Line Maps
Jasleen Matharu, Casey Papovich, Raymond C. Simons +14
Using spatially resolved H-alpha emission line maps of star-forming galaxies, we study the evolution of gradients in galaxy assembly over a wide range in redshift (). Ou…
The THESAN project: ionizing escape fractions of reionization-era galaxies
Jessica Y. -C. Yeh, Aaron Smith, Rahul Kannan +6
A fundamental requirement for reionizing the Universe is that a sufficient fraction of the ionizing photons emitted by galaxies successfully escapes into the intergalactic medium.…
An Assessment of the In-Situ Growth of the Intracluster Light in the High Redshift Galaxy Cluster SpARCS1049+56
Capucine Barfety, Félix-Antoine Valin, Tracy M. A. Webb +11
The formation of the stellar mass within galaxy cluster cores is a poorly understood process. It features the complicated physics of cooling flows, AGN feedback, star formation and…
LEGA-C: analysis of dynamical masses from ionized gas and stellar kinematics at z~0.8
Caroline M. S. Straatman, Arjen van der Wel, Josha van Houdt +12
We compare dynamical mass estimates based on spatially extended stellar and ionized gas kinematics ( and , respectively) of 157 star formi…
The Farthest Quasar Mini-BAL Outflow from its Central Source: VLT/UVES Observation of SDSSJ0242+0049
Doyee Byun, Nahum Arav, Patrick B. Hall
We analyze VLT/UVES observations of the quasar SDSS J024221.87+004912.6. We identify four absorption outflow systems: a CIV BAL at , and three n…
Sensitive Chandra coverage of a representative sample of weak-line quasars: revealing the full range of X-ray properties
Q. Ni, W. N. Brandt, B. Luo +8
We present deeper Chandra observations for weak-line quasars (WLQs) in a representative sample that previously had limited X-ray constraints, and perform X-ray photometric analyses…