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20122026
most citedMetallicity Evolution of Damped Lyman-alpha Systems out to z~5

321 citations · 3.4k across the 72 of their papers we have counts for

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72 papers · 1 filter

astro-ph.GA2026

A VLA Study of the Disturbed Massive Cluster PLCK G165.7 + 67.0 and Its Two Narrow Angle Tail Galaxies

Aurora Wilde, Eric F. Jimenez-Andrade, Brenda L. Frye +11

Since spectroscopic measurements provide only the line-of-sight velocity, transverse motions are difficult to constrain. In the vast majority of cases, transverse velocities have b…

astro-ph.GA2026

The KAGG survey: KCWI Analysis of Gas around Galaxies at z~3-5

Grecco A. Oyarzún, Marc Rafelski, J. Xavier Prochaska +5

We present the KCWI Analysis of Gas around Galaxies (KAGG) survey of Ly emission around Damped Ly Absorbers (DLAs) at z~3-5 with the Keck Cosmic Web Imager (KCWI) integral-fi…

astro-ph.GA2026

A dense, metal-rich absorber driven by a heavily dust-obscured galaxy: The direct evidence of CGM enrichment at

Qinyue Fei, Seiji Fujimoto, Gabriel Brammer +23

We report the serendipitous discovery of a dense, metal-enriched circumgalactic medium (CGM) absorber at z=7.03, together with its host galaxy, identified along the sightline towar…

astro-ph.GA2026

The Qz5 Survey (II): Metallicity Evolution of Damped Lyα Systems Out to z5

Marie Wisz, Marc Rafelski, Grecco Oyarzun +10

Damped Ly absorbers (DLAs) are the highest \HI\ column density (\NHI) absorption line systems detected in the spectra of background quasars. DLAs dominate the neutral gas conten…

astro-ph.GA2025

ALMA and JWST Imaging of Quasars: No Spatial Position Offset Observed Between Quasars and Their Host Galaxies

Aurora Wilde, Marcel Neeleman, Romain Meyer +4

We present a study determining the spatial offset between the position of the supermassive black hole (as traced through their broad line regions) and the host galaxy in six $z > 6…

astro-ph.GA2025★ 4 cited

A [CII]-158-micron Survey of DLA galaxies at z~4: Observations of Dense and Metal-Enriched Neutral Gas within the Circumgalactic Medium of Star-Forming Galaxies

Marcel Neeleman, Nissim Kanekar, J. Xavier Prochaska +2

We present a survey undertaken with the Atacama Large Millimeter/submillimeter Array (ALMA) to study the galaxies associated with a representative sample of 16 damped Ly-alpha abso…

astro-ph.GA2025

Kiloparsec-Scale Alignment of a Radio Jet with Cool Gas and Dust in a z~6 Quasar

Fabian Walter, Eduardo Banados, Chris Carilli +11

We present high-angular resolution (0.068", ~400pc) ALMA imaging of the [CII] line and dust continuum emission of PSO J352.4034-15.3373, a radio-loud quasar at z=5.83. The observat…

astro-ph.GA2025★ 4 cited

The Qz5 Survey (I): How the HI Mass Density of the Universe Evolves With Cosmic Time

Grecco A. Oyarzún, Marc Rafelski, Lise Christensen +9

We report that the neutral hydrogen (HI) mass density of the Universe () increases with cosmic time since , peaks at , and then decreases toward $z \sim…

astro-ph.GA2025

A massive HI-absorption-selected galaxy at

Balpreet Kaur, Nissim Kanekar, Marcel Neeleman +4

We use the Karl G. Jansky Very Large Array (VLA) and the Atacama Large Millimeter/submillimeter Array (ALMA) to detect , , and rest-frame 349-GHz continuu…

astro-ph.GA2025★ 6 cited

ALMA 360 pc high-frequency observations reveal warm dust in the center of a quasar

Romain A. Meyer, Fabian Walter, Fabio Di Mascia +3

The temperature of the cold dust in z>6 galaxies is a potential tracer of Active Galactic Nucleus (AGN) and stellar feedback, and is the dominant source of uncertainty in inferring…

astro-ph.GA2024

Pushing ALMA to the limit: 140 pc resolution observations of a z=6.6 quasar-galaxy merger resolve strikingly different morphologies of dust continuum and [CII] 158 um emission

Romain A. Meyer, Bram Venemans, Marcel Neeleman +2

We present resolution ALMA observations of [C II] and dust continuum emission of the quasar J0305--3150, resolved over $\sim 300-40…

astro-ph.GA2024

An HI-absorption-selected cold rotating disk galaxy at

B. Kaur, N. Kanekar, M. Neeleman +3

We have used the Atacama Large Millimeter/submillimeter Array (ALMA) to map CO(3-2) emission from a galaxy, DLA-B1228g, associated with the high-metallicity damped Lyman- absorb…

astro-ph.GA2024★ 26 cited

A quasar-galaxy merger at : rapid host growth via accretion of two massive satellite galaxies

Roberto Decarli, Federica Loiacono, Emanuele Paolo Farina +38

We present JWST/NIRSpec Integral Field Spectroscopy in the rest-frame optical bands of the system PJ308-21, a quasar at caught as its host galaxy interacts with companio…

astro-ph.GA2024★ 13 cited

The cold molecular gas in z6 quasar host galaxies

Melanie Kaasinen, Bram Venemans, Kevin C. Harrington +8

Probing the molecular gas reservoirs of z>~6 quasar (QSO) host galaxies is fundamental to understanding the coevolution of star formation and black hole growth in these extreme sys…

astro-ph.GA2024★ 34 cited

A quasar-galaxy merger at : black hole mass and quasar properties from the NIRSpec spectrum

Federica Loiacono, Roberto Decarli, Marco Mignoli +31

We present JWST/NIRSpec integral field data of the quasar PJ308-21 at . As shown by previous ALMA and HST imaging, the quasar has two companion sources, interacting with…

astro-ph.GA2023★ 10 cited

A survey of Ly emission around Damped Ly absorbers at with the Keck Cosmic Web Imager

Grecco A. Oyarzun, Marc Rafelski, Nissim Kanekar +3

We present Keck Cosmic Web Imager (KCWI) Ly integral field spectroscopy of the fields surrounding 14 Damped Ly absorbers (DLAs) at . Of these 14 DLAs, 9 have hig…

astro-ph.GA2023★ 4 cited

Searching for [CII] Emission from the First Sample of OI Absorption-Associated Galaxies with ALMA

Yunjing Wu, Zheng Cai, Jianan Li +13

We report the first statistical analyses of [CII] and dust continuum observations in six strong OI absorber fields at the end of the reionization epoch obtained by the Atacama Larg…

astro-ph.GA2023

ALMA 400pc Imaging of a z=6.5 Massive Warped Disk Galaxy

Marcel Neeleman, Fabian Walter, Roberto Decarli +4

We present 0.075 (~400 pc) resolution ALMA observations of the [CII] and dust continuum emission from the host galaxy of the z=6.5406 quasar, P036+03. We find that the emission ari…

astro-ph.GA2023★ 10 cited

ALMA 300 pc resolution imaging of a z=6.79 quasar: no evidence for supermassive black hole influence on the [C II] kinematics

Romain A. Meyer, Marcel Neeleman, Fabian Walter +1

We present Atacama Large Millimeter/submillimeter Array (ALMA) [C II] 158 and dust continuum observations of the quasar J0109--3047 at a resolution of (…

astro-ph.GA2023★ 80 cited

XQR-30: the ultimate XSHOOTER quasar sample at the reionization epoch

Valentina D'Odorico, E. Banados, G. D. Becker +46

The final phase of the reionization process can be probed by rest-frame UV absorption spectra of quasars at z>6, shedding light on the properties of the diffuse intergalactic mediu…

astro-ph.GA2023★ 40 cited

MIRI/JWST observations reveal an extremely obscured starburst in the z=6.9 system SPT0311-58

J. Álvarez-Márquez, A. Crespo Gómez, L. Colina +29

Using MIRI on-board JWST we present mid-infrared sub-arcsec imaging (MIRIM) and spectroscopy (MRS) of the hyperluminous infrared system SPT0311-58 at z=6.9. MIRI observations are c…

astro-ph.GA2022★ 1 cited

Spectroscopy of High Redshift Galaxies with the ngVLA

C. L. Carilli, M. Neeleman

We present simulations of the capabilities of the ngVLA to image at kpc resolution (), molecular line emission from star forming disk galaxies at high redshift.…

astro-ph.GA2022★ 8 cited

Jansky Very Large Array detections of CO(1-0) emission in HI-absorption-selected galaxies at

Balpreet Kaur, Nissim Kanekar, Marc Rafelski +3

We report a Karl G. Jansky Very Large Array search for redshifted CO(1-0) emission from three HI-absorption-selected galaxies at , identified earlier in their CO(3-2)…

astro-ph.GA2022★ 9 cited

A Massive, Dusty HI-Absorption-Selected Galaxy at Identified in a CO Emission Survey

Balpreet Kaur, Nissim Kanekar, Mitchell Revalski +4

We report a NOrthern Extended Millimeter Array (NOEMA) and Atacama Large Millimeter/submillimeter Array (ALMA) search for redshifted CO emission from the galaxies associated with s…