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Indications of a Spatial Variation of the Fine Structure ConstantFurther Evidence for Cosmological Evolution of the Fine Structure ConstantComment 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”Laser frequency combs for astronomical observations.Strong limit on a variable proton-to-electron mass ratio from molecules in the distant universe.Limits on a gravitational field dependence of the proton-electron mass ratio from H2 in white dwarf stars.Further evidence for a variable fine-structure constant from Keck/HIRES QSO absorption spectraCollaborative Workspaces to Accelerate DiscoveryImproved constraints on possible variation of physical constants from H I 21-cm and molecular QSO absorption linesA Catalogue of Damped Lyman Alpha Absorption Systems and Radio Flux Densities of the Background QuasarsOrigin of Metals around Galaxies. I. Catalogs of Metal-line Absorption Doublets from High-resolution Quasar SpectraImprints of the first billion years: Lyman limit systems at z ∼ 5The density, the cosmic microwave background, and the proton-to-electron mass ratio in a cloud at redshift 0.9A Unique View of AGN-driven Molecular Outflows: The Discovery of a Massive Galaxy Counterpart to a Z = 2.4 High-metallicity Damped Lyα AbsorberPrecision measures of the primordial abundance of deuteriumThe explosion energy of early stellar populations: the Fe-peak element ratios in low-metallicity damped Lyα systems★A new candidate for probing Population III nucleosynthesis with carbon-enhanced damped Lyα systemsThe neutral hydrogen cosmological mass density atz= 5Metal-enriched, subkiloparsec gas clumps in the circumgalactic medium of a faint z = 2.5 galaxy★The Giant Gemini GMOS survey of zem > 4.4 quasars – I. Measuring the mean free path across cosmic timeA new measurement of the intergalactic temperature at z ∼ 2.55–2.95Constraining the temperature–density relation of the intergalactic medium with the Lyman α and β forestsExploring the origins of a new, apparently metal-free gas cloud at z = 4.4The UVES Spectral Quasar Absorption Database (SQUAD) data release 1: the first 10 million secondsMAGiiCAT VI. The Mg ii Intragroup Medium Is Kinematically ComplexSubaru Telescope limits on cosmological variations in the fine-structure constantThe highly ionized circumgalactic medium is kinematically uniform around galaxiesPrecise limits on cosmological variability of the fine-structure constant with zinc and chromium quasar absorption linesPossible Population III remnants at redshift 3.5MAGiiCAT IV. KINEMATICS OF THE CIRCUMGALACTIC MEDIUM AND EVIDENCE FOR QUIESCENT EVOLUTION AROUND RED GALAXIESThe dust content of damped Lyman α systems in the Sloan Digital Sky SurveyA new analysis of fine-structure constant measurements and modelling errors from quasar absorption linesMAGiiCAT V. ORIENTATION OF OUTFLOWS AND ACCRETION DETERMINE THE KINEMATICS AND COLUMN DENSITIES OF THE CIRCUMGALACTIC MEDIUMThe VLT SINFONI Mg II program for line emitters (SIMPLE). II. Background quasars probing z ~ 1 galactic windsConstraint on a Varying Proton-Electron Mass Ratio 1.5 Billion Years after the Big BangProbing the circumgalactic medium of active galactic nuclei with background quasarsThe Magellan uniform survey of damped Lyman α systems – II. Paucity of strong molecular hydrogen absorption★HIGH-RESOLUTION MOLECULAR SPECTROSCOPY OF H2 AT 10% THE AGE OF THE UNIVERSE; TESTING THE CONSTANCY OF PHYSICAL LAWLaboratory atomic transition data for precise optical quasar absorption spectroscopyA new method for detecting velocity shifts and distortions between optical spectra
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description
hulumtues
@sq
researcher
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wetenschapper
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հետազոտող
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name
Michael T Murphy
@es
Michael T Murphy
@nl
Michael T Murphy
@sl
Michael T. Murphy
@en
type
label
Michael T Murphy
@es
Michael T Murphy
@nl
Michael T Murphy
@sl
Michael T. Murphy
@en
prefLabel
Michael T Murphy
@es
Michael T Murphy
@nl
Michael T Murphy
@sl
Michael T. Murphy
@en
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