Gwen C. Rudie
YOU?
Author Swipe
View article: LATIS Data Release: ∼4200 Spectra of <i>z</i> ∼ 2–3 Galaxies, Redshifts, and Intergalactic Medium Tomography Maps
LATIS Data Release: ∼4200 Spectra of <i>z</i> ∼ 2–3 Galaxies, Redshifts, and Intergalactic Medium Tomography Maps Open
We present the data release of the Ly α Tomography IMACS Survey (LATIS), one of the largest optical spectroscopic surveys of faint high-redshift galaxies. The survey provides 7408 optical spectra of candidate z ∼ 2–3 galaxies and QSOs in t…
View article: LATIS: Galaxy–Environment Relations at Cosmic Noon and the Role of Sample Selection
LATIS: Galaxy–Environment Relations at Cosmic Noon and the Role of Sample Selection Open
We investigate the environmental dependence of galaxy properties at z ∼ 2.5 using the Ly α Tomography IMACS Survey (LATIS), which provides high-resolution three-dimensional maps of intergalactic medium (IGM) overdensity via Ly α forest tom…
View article: H <scp>i</scp> Properties of Field Galaxies at <i>z</i> ≈ 0.2–0.6: Insights into Declining Cosmic Star Formation
H <span>i</span> Properties of Field Galaxies at <i>z</i> ≈ 0.2–0.6: Insights into Declining Cosmic Star Formation Open
We report statistically significant detection of H i 21 cm emission from intermediate-redshift ( z ≈ 0.2–0.6) galaxies. By leveraging multisightline galaxy survey data from the Cosmic Ultraviolet Baryon Survey and deep radio observations f…
View article: LATIS: Galaxy-Environment Relations at Cosmic Noon and the Role of Sample Selection
LATIS: Galaxy-Environment Relations at Cosmic Noon and the Role of Sample Selection Open
We investigate the environmental dependence of galaxy properties at $z\sim2.5$ using the Ly$α$ Tomography IMACS Survey (LATIS), which provides high-resolution three-dimensional maps of intergalactic medium (IGM) overdensity via Ly$α$ fores…
View article: MUSEQuBES: Physical conditions, origins, and multi-element abundances of the circumgalactic medium of an isolated, star-forming dwarf galaxy at z=0.57
MUSEQuBES: Physical conditions, origins, and multi-element abundances of the circumgalactic medium of an isolated, star-forming dwarf galaxy at z=0.57 Open
In dwarf galaxy models, outflows expel metal-enriched interstellar medium (ISM) into the circumgalactic medium (CGM) to reproduce their observed low metallicities, but measurements of dwarf CGM properties are scarce. We present a study of …
View article: CECILIA: Gas-Phase Physical Conditions and Multi-Element Chemistry at Cosmic Noon
CECILIA: Gas-Phase Physical Conditions and Multi-Element Chemistry at Cosmic Noon Open
Galaxies at Cosmic Noon (z$\sim$2-3) are characterized by rapid star formation that will lead to significant metal enrichment in the interstellar medium (ISM). While much observational evidence suggests that these galaxies are chemically d…
View article: Erratum: “Exploring the Relationship between Stellar Mass, Metallicity, and Star Formation Rate at <i>z</i> ∼ 2.3 in KBSS-MOSFIRE” (2025, ApJ, 984, 188)
Erratum: “Exploring the Relationship between Stellar Mass, Metallicity, and Star Formation Rate at <i>z</i> ∼ 2.3 in KBSS-MOSFIRE” (2025, ApJ, 984, 188) Open
View article: CECILIA: Ultradeep Rest-optical Spectra of Faint Galaxies at Cosmic Noon
CECILIA: Ultradeep Rest-optical Spectra of Faint Galaxies at Cosmic Noon Open
Intrinsically faint galaxies at z ∼ 2–3 offer critical insights into early galaxy formation, tracing low-metallicity, low-mass systems during cosmic noon and serving as analogs to reionization-era galaxies. We present ultradeep JWST/NIRSpe…
View article: LATIS: Comparing Galaxy and IGM Tomography Maps as Tracers of Large-scale Structure and Protoclusters at <i>z</i> ∼ 2.5
LATIS: Comparing Galaxy and IGM Tomography Maps as Tracers of Large-scale Structure and Protoclusters at <i>z</i> ∼ 2.5 Open
We investigate the consistency of intergalactic medium (IGM) tomography and galaxy surveys as tracers of the cosmic web and protoclusters at z ∼ 2.5. We use maps from the Ly α Tomography IMACS Survey (LATIS), which trace the distributions …
View article: LATIS: A Sample of IGM-selected Protoclusters and Protogroups at <i>z</i> ∼ 2.5
LATIS: A Sample of IGM-selected Protoclusters and Protogroups at <i>z</i> ∼ 2.5 Open
The Ly α Tomography IMACS Survey (LATIS) has produced large 3D maps of the intergalactic medium (IGM), providing a new window on the cosmic web at z ∼ 2.5. A key advantage of Ly α tomography is that it enables the discovery of overdense re…
View article: The Milky Way Radial Metallicity Gradient as an Equilibrium Phenomenon: Why Old Stars Are Metal Rich
The Milky Way Radial Metallicity Gradient as an Equilibrium Phenomenon: Why Old Stars Are Metal Rich Open
Metallicities of both gas and stars decline toward large radii in spiral galaxies, a trend known as the radial metallicity gradient. We quantify the evolution of the metallicity gradient in the Milky Way as traced by APOGEE red giants with…
View article: Empirical Calibration of Na I D and Other Absorption Lines as Tracers of High-Redshift Neutral Outflows
Empirical Calibration of Na I D and Other Absorption Lines as Tracers of High-Redshift Neutral Outflows Open
Recent JWST observations of massive galaxies at z > 2 have detected blueshifted absorption in Na I D and other resonant absorption lines, indicative of strong gas outflows in the neutral phase. However, the measured mass outflow rates are …
View article: Exploring the Relationship between Stellar Mass, Metallicity, and Star Formation Rate at <i>z</i> ∼ 2.3 in KBSS-MOSFIRE
Exploring the Relationship between Stellar Mass, Metallicity, and Star Formation Rate at <i>z</i> ∼ 2.3 in KBSS-MOSFIRE Open
The metal enrichment of a galaxy is determined by the cycle of baryons in outflows, inflows, and star formation. The relative contribution and timescale of each process sets the relationship between stellar mass, metallicity, and the star …
View article: The Morphology and Kinematics of a Giant, Symmetric Nebula around a Radio-loud Quasar 3C 57: Extended Rotating Gas or Biconical Outflows?
The Morphology and Kinematics of a Giant, Symmetric Nebula around a Radio-loud Quasar 3C 57: Extended Rotating Gas or Biconical Outflows? Open
Gas flows between galaxies and the circumgalactic medium play a crucial role in galaxy evolution. When ionized by a quasar, these gas flows can be directly traced as giant nebulae. We present a study of a giant nebula around a radio-loud q…
View article: Connecting the growth of galaxies to the large-scale environment in a massive node of the Cosmic Web at <i>z</i> ∼ 3
Connecting the growth of galaxies to the large-scale environment in a massive node of the Cosmic Web at <i>z</i> ∼ 3 Open
A direct link between the large-scale environment and galaxy properties is very well established in the local Universe. However, very little is known about the role of the environment for galaxy growth before the peak of the cosmic star fo…
View article: The Milky Way Radial Metallicity Gradient as an Equilibrium Phenomenon: Why Old Stars are Metal-Rich
The Milky Way Radial Metallicity Gradient as an Equilibrium Phenomenon: Why Old Stars are Metal-Rich Open
Metallicities of both gas and stars decline toward large radii in spiral galaxies, a trend known as the radial metallicity gradient. We quantify the evolution of the metallicity gradient in the Milky Way as traced by APOGEE red giants with…
View article: A survey of extremely metal-poor gas at cosmic noon
A survey of extremely metal-poor gas at cosmic noon Open
Aims. We aim to study the high-precision chemical abundances of metal-poor gas clouds at cosmic noon (2 < z < 4) and investigate the associated enrichment histories. Methods. We analyze the abundances of four newly discovered metal-poor ga…
View article: The Cosmic Ultraviolet Baryon Survey (CUBS). IX. The Enriched Circumgalactic and Intergalactic Medium Around Star-forming Field Dwarf Galaxies Traced by O vi Absorption
The Cosmic Ultraviolet Baryon Survey (CUBS). IX. The Enriched Circumgalactic and Intergalactic Medium Around Star-forming Field Dwarf Galaxies Traced by O vi Absorption Open
The shallow potential wells of star-forming dwarf galaxies make their surrounding circumgalactic and intergalactic medium (CGM/IGM) sensitive laboratories for studying the inflows and outflows thought to regulate galaxy evolution. We prese…
View article: KBSS-InCLOSE. I. Design and First Results from the Inner Circumgalactic Medium of QSO Line-of-sight Emitting Galaxies at z ∼ 2–3 <sup>*</sup>
KBSS-InCLOSE. I. Design and First Results from the Inner Circumgalactic Medium of QSO Line-of-sight Emitting Galaxies at z ∼ 2–3 <sup>*</sup> Open
We present the design and first results of the inner circumgalactic medium (CGM) of QSO line-of-sight emitting galaxies at z ∼ 2–3, Keck Baryonic Structure Survey (KBSS)-InCLOSE. The survey will connect galaxy properties (e.g., stellar mas…
View article: The Milky Way Radial Metallicity Gradient as an Equilibrium Phenomenon: Why Old Stars are Metal-Rich
The Milky Way Radial Metallicity Gradient as an Equilibrium Phenomenon: Why Old Stars are Metal-Rich Open
Metallicities of both gas and stars decline toward large radii in spiral galaxies, a trend known as the radial metallicity gradient. We quantify the evolution of the metallicity gradient in the Milky Way as traced by APOGEE red giants with…
View article: Connecting the growth of galaxies to the large-scale environment in a massive node of the Cosmic Web at z~3
Connecting the growth of galaxies to the large-scale environment in a massive node of the Cosmic Web at z~3 Open
A direct link between large-scale environment and galaxy properties is very well established in the local universe. However, very little is known about the role of the environment for galaxy growth before the peak of the cosmic star format…
View article: Lyα Profile Shape as an Escape-fraction Diagnostic at High Redshift
Lyα Profile Shape as an Escape-fraction Diagnostic at High Redshift Open
While the shape of the Ly α profile is viewed as one of the best tracers of ionizing-photon escape fraction ( f esc ) within low-redshift ( z ∼ 0.3) surveys of the Lyman continuum, this connection remains untested at high redshift. Here, w…
View article: The Cosmic Ultraviolet Baryon Survey (CUBS) IX: The enriched circumgalactic and intergalactic medium around star-forming field dwarf galaxies traced by O VI absorption
The Cosmic Ultraviolet Baryon Survey (CUBS) IX: The enriched circumgalactic and intergalactic medium around star-forming field dwarf galaxies traced by O VI absorption Open
The shallow potential wells of star-forming dwarf galaxies make their surrounding circumgalactic and intergalactic medium (CGM/IGM) sensitive laboratories for studying the inflows and outflows thought to regulate galaxy evolution. We prese…
View article: A Precision Cryogenic Positioning Stage for Detector Dithering and Flexure Compensation
A Precision Cryogenic Positioning Stage for Detector Dithering and Flexure Compensation Open
This paper presents the design and technical progress of a precision X-Y stage for detector dithering and flexure compensation. The stage is being developed for use in the Magellan InfraRed Multi-Object Spectrograph, MIRMOS. MIRMOS is a ve…
View article: A Novel Freeform Slicer IFU for the Magellan InfraRed Multi-Object Spectrograph (MIRMOS)
A Novel Freeform Slicer IFU for the Magellan InfraRed Multi-Object Spectrograph (MIRMOS) Open
The Magellan InfraRed Multi-Object Spectrograph (MIRMOS) is a planned next generation multi-object and integral field spectrograph for the 6.5m Magellan telescopes at Las Campanas Observatory in Chile. MIRMOS will perform R$\sim$3700 spect…
View article: The Cosmic Ultraviolet Baryon Survey (CUBS). VII. On the Warm-hot Circumgalactic Medium Probed by O vi and Ne viii at 0.4 ≲ z ≲ 0.7
The Cosmic Ultraviolet Baryon Survey (CUBS). VII. On the Warm-hot Circumgalactic Medium Probed by O vi and Ne viii at 0.4 ≲ z ≲ 0.7 Open
This paper presents a newly established sample of 103 unique galaxies or galaxy groups at 0.4 ≲ z ≲ 0.7 from the Cosmic Ultraviolet Baryon Survey (CUBS) for studying the warm-hot circumgalactic medium (CGM) probed by both O vi and Ne viii …
View article: Discovery of Optically Emitting Circumgalactic Nebulae around the Majority of UV-luminous Quasars at Intermediate Redshift
Discovery of Optically Emitting Circumgalactic Nebulae around the Majority of UV-luminous Quasars at Intermediate Redshift Open
We report the discovery of large, ionized, [O ii ]-emitting circumgalactic nebulae around the majority of 30 UV-luminous quasars at z = 0.4–1.4 observed with deep, wide-field integral field spectroscopy with the Multi-Unit Spectroscopy Exp…
View article: GN-z11 in Context: Possible Signatures of Globular Cluster Precursors at Redshift 10
GN-z11 in Context: Possible Signatures of Globular Cluster Precursors at Redshift 10 Open
The first JWST spectroscopy of the luminous galaxy GN-z11 simultaneously established its redshift at z = 10.6 and revealed a rest-ultraviolet spectrum dominated by signatures of highly ionized nitrogen, which has so far defied clear interp…
View article: The Cosmic Ultraviolet Baryon Survey (CUBS). VIII. Group Environment of the Most Luminous Quasars at z ≈ 1
The Cosmic Ultraviolet Baryon Survey (CUBS). VIII. Group Environment of the Most Luminous Quasars at z ≈ 1 Open
We investigate the group-scale environment of 15 luminous quasars (luminosity L 3000 > 10 46 erg s −1 ) from the Cosmic Ultraviolet Baryon Survey (CUBS) at redshift z ≈ 1. Using the Multi Unit Spectroscopic Explorer integral field spectrog…
View article: Discovery of optically emitting circumgalactic nebulae around the majority of UV-luminous quasars at intermediate redshift
Discovery of optically emitting circumgalactic nebulae around the majority of UV-luminous quasars at intermediate redshift Open
We report the discovery of large ionized, [O II] emitting circumgalactic nebulae around the majority of thirty UV luminous quasars at $z=0.4-1.4$ observed with deep, wide-field integral field spectroscopy (IFS) with the Multi-Unit Spectros…