The gas surrounding galaxies outside their disks or interstellar medium and inside their virial
radii is known as the circumgalactic medium (CGM). In recent years this component of …

Neutral-atomic and molecular outflows are a common occurrence in galaxies, near and far.
They operate over the full extent of their galaxy hosts, from the innermost regions of galactic …

The study of galaxy protoclusters is beginning to fill in unknown details of the important
phase of the assembly of clusters and cluster galaxies. This review describes the current …

We report the spectroscopic follow-up of 175 lensed quasar candidates selected using Gaia
Data Release 2 observations following Paper III of this series. Systems include 86 confirmed …

The discovery of quasars a few hundred megayears after the Big Bang represents a major
challenge to our understanding of black holes as well as galaxy formation and evolution …

In this study we explore the complex multiphase gas of the circumgalactic medium (CGM)
surrounding galaxies. We propose and implement a novel, super-Lagrangian 'CGM …

This paper presents a survey of Mg ii absorbing gas in the vicinity of 380 random galaxies,
using 156 background quasi-stellar objects (QSOs) as absorption-line probes. The sample …

Observations reveal that quasar host haloes at z∼ 2 have large covering fractions of cool
dense gas (≳ 60 per cent for Lyman limit systems within a projected virial radius). Most …

Hydrodynamical simulations are increasingly able to accurately model physical systems on
stellar, galactic, and cosmological scales; however, the utility of these simulations is often …

The prevalence of outflow and feedback signatures in active galactic nuclei (AGNs is a
major unresolved question which large integral field unit (IFU) surveys now allow to address …