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Authors whose works are in public domain in at least one jurisdiction

List of works by J. Xavier Prochaska

1-50 of 846 results

A definitive survey for Lyman limit systems at z ~ 3.5 with the Sloan Digital Sky Survey

scientific article published in the Astrophysical Journal

Probing the IGM/Galaxy connection. IV. The LCO/WFCCD galaxy survey of 20 fields surrounding UV-bright quasars

scientific article published in January 2011

Probing the Intergalactic Medium–Galaxy Connection toward PKS 0405−123. III. The Galaxy Survey and Correlations with OviAbsorbers

scientific article published in the Astrophysical Journal

Correcting C IV-based virial black hole masses

scientific article published in January 2017

Statistical Detection of the He ii Transverse Proximity Effect: Evidence for Sustained Quasar Activity for >25 Million Years

scientific article published in the Astrophysical Journal

The first data release of the KODIAQ survey

scientific article published in Astronomical Journal

Quasars Probing Quasars. VI. Excess H ɪ absorption within one proper Mpc of z ~ 2 quasars

Evidence for ubiquitous collimated galactic-scale outflows along the star-forming sequence at z ~ 0.5

scientific article published in January 2014

Low-resolution spectroscopy of gamma-ray burst optical afterglows: biases in the Swift sample and characterization of the absorbers

article

Dissecting the properties of optically thick hydrogen at the peak of cosmic star formation history

scientific article published in the Astrophysical Journal

The neutral hydrogen cosmological mass density atz= 5

scientific article published on 2 July 2015

The COS-Halos survey: Keck LRIS and Magellan MagE optical spectroscopy

scientific article published in January 2012

The Giant Gemini GMOS survey of zem > 4.4 quasars – I. Measuring the mean free path across cosmic time

scientific article published on 14 October 2014

A survey of ultraviolet-bright sources behind the halo of M31

scientific article published in January 2009

Further Evidence for Cosmological Evolution of the Fine Structure Constant

scientific article

The Astropy Project: Building an Open-science Project and Status of the v2.0 Core Package

scientific article published in Astronomical Journal

The Sloan Digital Sky Survey damped Ly{alpha} survey: data release 1

scientific article

Multi-messenger Observations of a Binary Neutron Star Merger

scientific article published on 16 October 2017

GRB 080503: implications of a naked short gamma-ray burst dominated by extended emission

scientific article published in the Astrophysical Journal

High-metallicity, photoionized gas in intergalactic large-scale filaments

scholarly article

Quasars probing quasars. I. Optically thick absorbers near luminous quasars

scientific article published in January 2006

Swope Supernova Survey 2017a (SSS17a), the optical counterpart to a gravitational wave source.

scientific article published on 16 October 2017

Closing in on a Short‐Hard Burst Progenitor: Constraints from Early‐Time Optical Imaging and Spectroscopy of a Possible Host Galaxy of GRB 050509b

scientific article published in the Astrophysical Journal

The Spectral and Environment Properties of z ∼ 2.0–2.5 Quasar Pairs

scientific article published in the Astrophysical Journal

The Deuterium to Hydrogen Abundance Ratio toward a Fourth QSO: HS 0105+1619

scientific article published in the Astrophysical Journal

The galactic thick disk stellar abundances

scientific article published in January 2000

Ubiquitous outflows in DEEP2 spectra of star-forming galaxies at z = 1.4

scientific article published in the Astrophysical Journal

Hypernova Signatures in the Late Rebrightening of GRB 050525A

scientific article published in the Astrophysical Journal

The ESI/Keck II damped Ly{alpha} abundance database

scientific article published in January 2003

A detailed study of the optical attenuation of gamma-ray bursts in the Swift era

scholarly article

Molecular hydrogen deficiency in H I-poor galaxies and its implications for star formation

scientific article published in the Astrophysical Journal

No Evidence for Feedback: Unexceptional Low-ionization Winds in Host Galaxies of Low Luminosity Active Galactic Nuclei at Redshift z ∼ 1

scientific article published in the Astrophysical Journal

Light curves of the neutron star merger GW170817/SSS17a: Implications for r-process nucleosynthesis.

scientific article published on 16 October 2017

Observations of the naked-eye GRB 080319B: implications of nature's brightest explosion

scientific article published in the Astrophysical Journal

The Galaxy Hosts and Large‐Scale Environments of Short‐Hard Gamma‐Ray Bursts

scientific article published in the Astrophysical Journal

Chemical abundances of the damped Ly{alpha} systems at z>1.5

scientific article published in January 1999

Galactic chemical abundances at z>3. I. First results from the echellette spectrograph and imager

scientific article published in January 2001

Possible evidence for a variable fine-structure constant from QSO absorption lines: motivations, analysis and results

scholarly article

The host galaxies of Swift dark gamma-ray bursts: observational constraints on highly obscured and very high redshift GRBs

scientific article published in Astronomical Journal

Constraints on Type Ib/c Supernovae and Gamma‐Ray Burst Progenitors

scholarly article

Afterglow observations of Fermi large area telescope gamma-ray bursts and the emerging class of hyper-energetic events

scientific article published in the Astrophysical Journal

The circumgalactic medium of submillimeter galaxies. I. First results from a radio-identified sample

scientific article published in the Astrophysical Journal

A high signal-to-noise ratio composite spectrum of gamma-ray burst afterglows

scientific article published in the Astrophysical Journal

Dust extinction in high-z galaxies with gamma-ray burst afterglow spectroscopy: the 2175 {AA} feature at z = 2.45

scientific article published in the Astrophysical Journal

The connection between a Lyman limit system, a very strong O VI absorber, and galaxies at z ~ 0.203

scientific article

Measurement of the small-scale structure of the intergalactic medium using close quasar pairs.

scientific article

Detection of pristine gas two billion years after the Big Bang

scientific article

A single fast radio burst localized to a massive galaxy at cosmological distance

scientific article published on 27 June 2019

An empirical relation between sodium absorption and dust extinction

scholarly article

Afterglow Upper Limits for Four Short‐Duration, Hard Spectrum Gamma‐Ray Bursts

scientific article published in the Astrophysical Journal