Galaxies and Intergalactic Matter at Redshift z~3: Overview

Abstract

We present the first results from a survey of the relative spatial distributions of galaxies, intergalactic neutral hydrogen, and intergalactic metals at high redshift. We obtained high-resolution spectra of 8 bright QSOs at 3.1<z<4.1 and spectroscopic redshifts for 431 Lyman-break galaxies (LBGs) at slightly lower redshifts. Comparing the locations of galaxies to the absorption lines in the QSO spectra shows that the intergalactic medium contains less neutral hydrogen than the global average within r<0.5h^-1 comoving Mpc of LBGs and more than average at slightly larger distances 1<r<5 h^-1 comoving Mpc. The intergalactic medium within the largest overdensities at z~3, which will presumably evolve into the intracluster medium by z~0, is rich in neutral hydrogen and CIV. The lack of HI absorption at small distances from LBGs appears unlikely to be produced solely by the Lyman continuum radiation they emit; it may show that the galaxies' supernovae-driven winds maintain their measured outflow velocities of ~600 km/s for a few hundred million years and drive away nearby intergalactic gas. We present correlation functions of galaxies with Lyman-alpha forest flux decrements, with CIV systems, and with other galaxies. We describe the association of galaxies with damped Lyman-a systems and with intergalactic HeII opacity. A strong observed correlation of galaxies with intergalactic metals supports the idea that Lyman-break galaxies' winds have enriched their surroundings.

32 pages including 26 figures. To appear in ApJ

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• Constraining beta(z) and Omega_m from redshift-space distortions in z~3 galaxy surveys
• The Sextet Arcs: a Strongly Lensed Lyman Break Galaxy in the ACS Spectroscopic Galaxy Survey towards Abell 1689
• Measuring the Halo Mass of z=3 Damped Ly-alpha Absorbers from the Absorber-Galaxy Cross-correlation
• Cosmic metal density evolution in neutral gas: insights from observations and cosmological simulations
• The association between gas and galaxies II: The 2-point correlation function
• Temperature and Entropy Fields of Baryonic Gas in the Universe
• Winds and Infalling Gas in Lyman Break Galaxies
• Joint modeling of the probability distribution and power spectrum of the Lya forest: comparison with observations at z=3
• A Fundamental Test for Galaxy Formation Models: Matching the Lyman-$\alpha$ Absorption Profiles of Galactic Halos over Three Decades in Distance
• The afterglow and host galaxy of GRB 090205: evidence for a Ly-alpha emitter at z=4.65
• Probing High-Redshift Galaxy Formation at the Highest Luminosities: New Insights from DEIMOS Spectroscopy
• The triply-ionized carbon forest from eBOSS: cosmological correlations with quasars in SDSS-IV DR14
• The Mean Absorption Line Spectra of a Selection of Luminous z~6 Lyman Break Galaxies
• The VLT LBG Redshift Survey - IV. Gas and galaxies at z ~ 3 in observations and simulations
• Cosmic Galaxy-IGM HI Relation at $z\sim 2-3$ Probed in the COSMOS/UltraVISTA $1.6$ deg${}^2$ Field
• Simulating MOS science on the ELT: Ly$\alpha$ forest tomography
• Into the Lyα jungle: exploring the circumgalactic medium of galaxies at z ~ 4-5 with MUSE
• The WIRCam Deep Survey II: Mass Selected Clustering
• The metallicity distribution of HI systems in the EAGLE cosmological simulation
• A Search for Oxygen in the Low-Density Lyman-alpha Forest Using the Sloan Digital Sky Survey
• The Wide Field Imager Lyman-Alpha Search (WFILAS) for Galaxies at Redshift ~5.7: II. Survey Design and Sample Analysis
• Beyond Lyman-alpha: Constraints and Consistency Tests from the Lyman-beta Forest
• Double-Damped Lyman Alpha Absorption: A Possible Large Neutral Hydrogen Gas Filament Near Redshift z=1
• Understanding large-scale structure in the SSA22 protocluster region using cosmological simulations
• Galaxies with Background QSOs, I: A Search for Strong Galactic H-alpha Lines
• A New Constraint on the Physical Nature of Damped Lyman Alpha Systems
• On the connection between the metal-enriched intergalactic medium and galaxies: an OVI-galaxy cross-correlation study at $z<1$
• A new model framework for circumgalactic Ly$\alpha$ radiative transfer constrained by galaxy-Ly$\alpha$ forest clustering
• Constraining quasar host halo masses with the strength of nearby Lyman-alpha forest absorption
• Mapping the "invisible" circumgalactic medium around a z $\sim$ 4.5 radio galaxy with MUSE
• A new superwind galaxy: XMM-Newton observations of NGC 6810
• Detecting z > 2 Type IIn Supernovae
• How do galactic winds affect the Lyalpha forest?
• Probing Outflows in z= 1~2 Galaxies through FeII/FeII* Multiplets
• Local Starbursts in a Cosmological Context
• Where Outflows Meet Inflows: Gas Kinematics in SSA22 Lyman-$\alpha$ Blob 2 Decoded by Advanced Radiative Transfer Modelling
• The changing circumgalactic medium over the last 10 Gyr I: physical and dynamical properties
• On the Search for Quasar Light Echoes
• Galactic winds - How to launch galactic outflows in typical Lyman-break galaxies
• A Direct Detection of Gas Accretion: The Lyman Limit System in 3C 232
• Discovery of a Metal-Line Absorber Associated with a Local Dwarf Starburst Galaxy
• MUSEQuBES: The relation between Ly$\alpha$ emitters and C IV absorbers at $z\approx 3.3$
• Spectropolarimetry of the superwind filaments of the starburst galaxy M82 II: kinematics of the dust surrounding the nuclear starburst
• Constraints on the Abundance of Highly Ionized Proto-Cluster Regions from the Absence of Large Voids in the Lyman Alpha Forest
• First-generation Science Cases for Ground-based Terahertz Telescopes
• Probing Reionization and Early Cosmic Enrichment with the MgII Forest
• Imaging of diffuse HI absorption structure in the SSA22 proto-cluster region at z = 3.1
• Bright Lyman Break Galaxy Candidates in the Sloan Digital Sky Survey First Data Release
• Substructure within the SSA22 protocluster at $z\approx 3.09$
• Clustering of galaxies at z=3 around the probable Damped Ly-alpha absorber towards QSO APM 08279+5255
• A galaxy as the source of a Civ absorption system close to the epoch of reionization
• Discovery of an unusually compact lensed Lyman Break Galaxy from the Hyper Suprime-Cam Survey
• H I gas in higher density regions of the intergalactic medium
• The impact of galactic winds from LBGs on the Intergalactic Medium
• Galaxy Bulge Formation: Interplay with Dark Matter Halo and Central Supermassive Black Hole
• The UV spectrum of HS1700+6416 I. Predicting the metal line content of the far UV spectrum
• The relationship between gas and galaxies at z<1 using the Q0107 quasar triplet
• Toward an Improved Analytical Description of Lagrangian Bias
• The Proximity Effect Around High Redshift Galaxies
• Searching for the shadows of giants: characterising protoclusters with line of sight Lyman-α absorption
• A Search for Lyman Break Galaxies in the CDF-S Using Swift UVOT
• Escape of Lyman alpha Emission in the Starburst Galaxy Mkn 357 - a Wind's Far Side
• Anisotropic Galactic Outflows and Enrichment of the Intergalactic Medium. II. Numerical Simulations
• The association between gas and galaxies III: The Cross-correlation of Galaxies and Ly-alpha Absorbers at z ~ 1
• Deciphering stellar metallicities in the early Universe: Case study of a young galaxy at z = 4.77 in the MUSE eXtremely Deep Field
• The Quasar / Galaxy Pair PKS 1327-206 / ESO 1327-2041: Absorption Associated with a Recent Galaxy Merger
• The extent of intergalactic metal enrichment from galactic winds during the Cosmic Dawn
• Halo Masses of MgII absorbers at z\sim 0.5 from SDSS DR7
• Metal content of the circumgalactic medium around star-forming galaxies at z $\sim$ 2.6 as revealed by the VIMOS Ultra-Deep Survey
• Observations of the Gas Reservoir around a Star Forming Galaxy in the Early Universe
• Medium-resolution spectroscopy of galaxies with redshifts 2.3 < z < 3.5
• Hadronic Interactions of Energetic Charged Particles in Protogalactic Outflow Environments and Implications for the Early Evolution of Galaxies
• Low-Metallicity Gas Clouds in a Galaxy Proto-Cluster at Redshift 2.38
• Evolution of CIV Absorbers. II. Where does CIV live?
• Probing IGM accretion onto faint Lyα emitters at z~2.8
• CDFS-6664: A candidate of Lyman-continuum Emission at z~3.8 detected by HDUV
• A search for galaxies in and around an HI overdense region at z=5
• The Nearby Damped Lyman-alpha Absorber SBS 1543+593: A Large HI Envelope in a Gas-Rich Galaxy Group
• The Baltimore Oriole's Nest: Cool Winds from the Inner and Outer Parts of a Star-Forming Galaxy at z=1.3
• The Baryon Cycle at High Redshifts: Effects of Galactic Winds on Galaxy Evolution in Overdense and Average Regions
• The Utility of Lyman-alpha Emission Lines as a Probe of Interactions between High Redshift Galaxies and their Environments
• Close Galaxy Pairs at z = 3: A Challenge to UV Luminosity Abundance Matching
• Building galaxies, stars, planets and the ingredients for life between the stars. A scientific proposal for a European Ultraviolet-Visible Observatory (EUVO)
• Probing patchy reionisation with JWST: IGM opacity constraints from the Lyman-$\alpha$ forest of galaxies in legacy extragalactic fields
• Galaxy Formation and Dark Matter
• The metal absorption systems of the QSO 0103-260 and the galaxy redshift distribution in the FORS Deep Field
• Long Gamma-Ray Burst Host Galaxies and their Environments
• X-ray Emission of Baryonic Gas in the Universe: Luminosity-Temperature Relationship and Soft-Band Background
• Connection Between Galaxies and HI in the Circumgalactic and Intergalactic Media: Variation According to Galaxy Stellar Mass and Star-formation Activity
• Searching for high-redshift centimeter-wave continuum, line and maser emission using the Square Kilometer Array
• Observational Diagnostics of Gas Flows: Insights from Cosmological Simulations
• Dynamics of Lyman Break Galaxies and Their Host Halos
• Observations of Ly$\alpha$ Emitters at High Redshift
• How are Lyman $\alpha$ absorbers in the cosmic web related to gas-rich galaxies?
• Scaling Relation between Sunyaev-Zel'dovich Effect and X-ray Luminosity and Scale-Free Evolution of Cosmic Baryon Field
• CIV Absorbers in z>4 Quasars: Tracing Early Galactic Halos Evolution
• The Environmental Impact of Lyman-break Galaxies
• Cross-Correlation between Damped Ly-alpha Systems and Ly-break Galaxies in Cosmological SPH Simulations
• A z ~ 5.7 Lyα Emission Line with an Ultra Broad Red Wing
• Metal distribution in the ICM - a comprehensive numerical study of twelve galaxy clusters
• What can distant galaxies teach us about massive stars?
• Modeling the accretion history of supermassive black holes
• Variable Intrinsic Absorption in Mrk 279
• Origin of Metals around Galaxies I: Catalogs of Metal-line Absorption Doublets from High-Resolution Quasar Spectra
• KBSS-InCLOSE I: Design and First Results from the Inner CGM of QSO Line Of Sight Emitting Galaxies at z~2-3
• The Multiphase Intracluster Medium in Galaxy Groups Probed by the Lyman Alpha Forest
• The Sunyaev-Zel'dovich effect due to hyper-starburst galaxy winds
• LATIS: Comparing Galaxy and IGM Tomography Maps as Tracers of Large-scale Structure and Protoclusters at $z\sim 2.5$
• On the Physical Nature of Ly$\alpha$ Transmission Spikes in High Redshift Quasar Spectra
• The Redshift-Space Two Point Correlation Function of ELAIS-S1 Galaxies
• Cosmological-Scale Lyman-alpha Forest Absorption Around Galaxies and AGN Probed with the HETDEX and SDSS Spectroscopic Data
• Joint Lyα emitters - quasars reionization constraints
• The Bright Ages Survey. I. Imaging Data
• The Lyman-$\alpha$ Forest from LBGs: First 3D Correlation Measurement with DESI and Prospects for Cosmology
• Evidence for overdensity around z_em > 4 quasars from the proximity effect
• The Most Distant Galaxies