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List of works by Michael T. Murphy

A Catalogue of Damped Lyman Alpha Absorption Systems and Radio Flux Densities of the Background Quasars

A Correlation between Galaxy Morphology and MgiiHalo Absorption Strength ⬇️

scientific article

A Unique View of AGN-driven Molecular Outflows: The Discovery of a Massive Galaxy Counterpart to a Z = 2.4 High-metallicity Damped Lyα Absorber

scientific article published in the Astrophysical Journal

A new analysis of fine-structure constant measurements and modelling errors from quasar absorption lines ⬇️

scholarly article

A new candidate for probing Population III nucleosynthesis with carbon-enhanced damped Lyα systems

scholarly article

A new measurement of the intergalactic temperature at z ∼ 2.55–2.95

scientific article

A new method for detecting velocity shifts and distortions between optical spectra ⬇️

scholarly article

Collaborative Workspaces to Accelerate Discovery

article published in 2017

Comment on “Limits on the Time Variation of the Electromagnetic Fine-Structure Constant in the Low Energy Limit from Absorption Lines in the Spectra of Distant Quasars”

scientific article

Constraining the temperature–density relation of the intergalactic medium with the Lyman α and β forests ⬇️

Constraint on a Varying Proton-Electron Mass Ratio 1.5 Billion Years after the Big Bang ⬇️

scientific article published on 19 February 2015

Constraint on a variation of the proton-to-electron mass ratio from H2 absorption towards quasar Q2348−011

scientific article

Deuterium abundance in the most metal-poor damped Lyman alpha system: converging on Ωb,0h2

scholarly article

Discovery of the transition of a mini-broad absorption line into a broad absorption line in the SDSS quasar J115122.14+020426.3 ⬇️

scientific article

Dust depletion, chemical uniformity and environment of Ca ii H&K quasar absorbers

scientific article

Exploring the origins of a new, apparently metal-free gas cloud at z = 4.4

scientific article

Exploring variations in the fundamental constants with ELTs: the CODEX spectrograph on OWL

First Constraint on Cosmological Variation of the Proton-to-Electron Mass Ratio from Two Independent Telescopes

scientific article published on 06 May 2011

Further Evidence for Cosmological Evolution of the Fine Structure Constant

scientific article

Further evidence for a variable fine-structure constant from Keck/HIRES QSO absorption spectra

article

Galaxy group at z=0.3 associated with the damped Lyman α system towards quasar Q1127-145

scientific article

HIGH-RESOLUTION MOLECULAR SPECTROSCOPY OF H2 AT 10% THE AGE OF THE UNIVERSE; TESTING THE CONSTANCY OF PHYSICAL LAW

Halo gas and galaxy disk kinematics derived from observations and {Lambda}CDM simulations of mg II absorption-selected galaxies at intermediate redshift ⬇️

scholarly article

Halo gas cross sections and covering fractions of mg II absorption selected galaxies

scientific article

Imprints of the first billion years: Lyman limit systems at z ∼ 5

scientific article

Improved constraints on possible variation of physical constants from H I 21-cm and molecular QSO absorption lines

scientific article

Indications of a Spatial Variation of the Fine Structure Constant

scientific article

Keck constraints on a varying fine-structure constant: wavelength calibration errors

Laboratory atomic transition data for precise optical quasar absorption spectroscopy

scholarly article

Laser frequency comb techniques for precise astronomical spectroscopy

scientific article

Laser frequency combs for astronomical observations

scientific article

Limits on Variations in Fundamental Constants from 21-cm and Ultraviolet Quasar Absorption Lines

scientific article published on 22 July 2005

Limits on a gravitational field dependence of the proton-electron mass ratio from H2 in white dwarf stars ⬇️

scientific article published on 18 September 2014

MAGIICAT I. The Mg II absorber-galaxy catalog ⬇️

MAGiiCAT IV. KINEMATICS OF THE CIRCUMGALACTIC MEDIUM AND EVIDENCE FOR QUIESCENT EVOLUTION AROUND RED GALAXIES ⬇️

article

MAGiiCAT V. ORIENTATION OF OUTFLOWS AND ACCRETION DETERMINE THE KINEMATICS AND COLUMN DENSITIES OF THE CIRCUMGALACTIC MEDIUM ⬇️

MAGiiCAT VI. The Mg ii Intragroup Medium Is Kinematically Complex

scholarly article

MASE: A New Data-Reduction Pipeline for the Magellan Echellette Spectrograph

scientific article

Markov Chain Monte Carlo methods applied to measuring the fine structure constant from quasar spectroscopy

Metal-enriched, subkiloparsec gas clumps in the circumgalactic medium of a faint z = 2.5 galaxy ⬇️

scientific article published on 7 November 2014

Morphological properties of z∼ 0.5 absorption-selected galaxies: the role of galaxy inclination

scientific article

New Results on Quasar Outflows

scholarly article

New constraint on cosmological variation of the proton-to-electron mass ratio from Q0528−250

scientific article

New perspectives on strong z≃ 0.5 Mg ii absorbers: are halo mass and equivalent width anticorrelated?

scientific article

Origin of Metals around Galaxies. I. Catalogs of Metal-line Absorption Doublets from High-resolution Quasar Spectra

scientific article published in the Astrophysical Journal

Possible Population III remnants at redshift 3.5 ⬇️

scientific article

Precise limits on cosmological variability of the fine-structure constant with zinc and chromium quasar absorption lines ⬇️

scientific article

Precision measures of the primordial abundance of deuterium ⬇️

scientific article published in the Astrophysical Journal

Probing the circumgalactic medium of active galactic nuclei with background quasars ⬇️

scientific article

Probing the small-scale structure of the intergalactic medium with ESPRESSO: spectroscopy of the lensed QSO UM673

scholarly article

Revision of VLT/UVES constraints on a varying fine-structure constant

scholarly article

Revisiting the origin of the high metallicities of sub-damped Lyman-alpha systems

scholarly article

Search for Cosmological μ-Variation from High-Redshift H2 Absorption; A Status Report

Selection of ThAr lines for wavelength calibration of echelle spectra and implications for variations in the fine-structure constant

scientific article

Spatial variation in the fine-structure constant - new results from VLT/UVES

scholarly article

Stringent Null Constraint on Cosmological Evolution of the Proton-to-Electron Mass Ratio

scientific article published on 19 December 2008

Strong limit on a variable proton-to-electron mass ratio from molecules in the distant universe

scientific article

Subaru Telescope limits on cosmological variations in the fine-structure constant

scientific article

The CGM at Cosmic Noon with KCWI: Outflows from a Star-forming Galaxy at <i>z</i> = 2.071

scientific article published in 2020

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

The Magellan uniform survey of damped Lyman α systems – I. Cosmic metallicity evolution★

scholarly article

The Magellan uniform survey of damped Lyman α systems – II. Paucity of strong molecular hydrogen absorption★ ⬇️

scientific article

The SINFONI MgiiProgram for Line Emitters (SIMPLE): Discovering Starbursts near QSO Sight Lines ⬇️

scientific article

The UVES Spectral Quasar Absorption Database (SQUAD) data release 1: the first 10 million seconds

scientific article

The VLT SINFONI Mg II program for line emitters (SIMPLE). II. Background quasars probing z ~ 1 galactic winds ⬇️

scientific article

The clustering of luminous red galaxies around Mg ii absorbers

scientific article

The density, the cosmic microwave background, and the proton-to-electron mass ratio in a cloud at redshift 0.9

scientific article published in Astronomy and Astrophysics

The dust content of damped Lyman α systems in the Sloan Digital Sky Survey ⬇️

scholarly article

The explosion energy of early stellar populations: the Fe-peak element ratios in low-metallicity damped Lyα systems

scientific article

The highly ionized circumgalactic medium is kinematically uniform around galaxies ⬇️

scholarly article

The kinematic signature of damped Lyman alpha systems: using theD-index to screen for high column density H i absorbers★

scientific article

The neutral hydrogen cosmological mass density atz= 5 ⬇️

scientific article published on 2 July 2015

The outer halo globular clusters of M31

scientific article

The redshift distribution of intervening weak Mg II quasar absorbers and a curious dependence on quasar luminosity ⬇️

scholarly article

Wavelength calibration of the VLT-UVES spectrograph ⬇️

scientific article

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