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Determining the primordial helium abundance and UV background using fluorescent emission in star-free dark matter haloes
Calvin Sykes, Michele Fumagalli, Ryan Cooke +1
Observational measures of the primordial helium mass fraction, , are of interest for cosmology and fundamental particle physics. Current measures obtained from H II regi…
Gas filaments of the cosmic web located around active galaxies in a proto-cluster
H. Umehata, M. Fumagalli, I. Smail +15
Cosmological simulations predict the Universe contains a network of intergalactic gas filaments, within which galaxies form and evolve. However, the faintness of any emission from…
The MUSE Ultra Deep Field (MUDF). II. Survey design and the gaseous properties of galaxy groups at 0.5 < z < 1.5
M. Fossati, M. Fumagalli, E. K. Lofthouse +12
We present the goals, design, and first results of the MUSE Ultra Deep Field (MUDF) survey, a large programme using the Multi Unit Spectroscopic Explorer (MUSE) instrument at the E…
The Evolution of O I over 3.2 < z < 6.5: Reionization of the Circumgalactic Medium
George D. Becker, Max Pettini, Marc Rafelski +11
We present a survey for metal absorption systems traced by neutral oxygen over . Our survey uses Keck/ESI and VLT/X-Shooter spectra of 199 QSOs with redshifts up to…
BlueMUSE: Project Overview and Science Cases
Johan Richard, Roland Bacon, Jérémy Blaizot +59
We present the concept of BlueMUSE, a blue-optimised, medium spectral resolution, panoramic integral field spectrograph based on the MUSE concept and proposed for the Very Large Te…
Modelling the chemical enrichment of Population III supernovae: The origin of the metals in near-pristine gas clouds
Louise Welsh, Ryan Cooke, Michele Fumagalli
The most metal-poor, high redshift damped Lyman-alpha systems (DLAs) provide a window to study some of the first few generations of stars. In this paper, we present a novel model t…
ALMA unveils widespread molecular gas clumps in the ram pressure stripped tail of the Norma jellyfish galaxy
Pavel Jachym, Jeffrey D. P. Kenney, Ming Sun +8
We present the first high-resolution map of the cold molecular gas distribution, as traced by CO(2-1) emission with ALMA, in a prominent ram pressure stripped tail. The Norma clust…
Fluorescent rings in star-free dark matter haloes
Calvin Sykes, Michele Fumagalli, Ryan Cooke +2
Photoheating of the gas in low-mass dark matter (DM) haloes prevents baryons from cooling, leaving the haloes free of stars. Gas in these 'dark' haloes remains exposed to the ultra…
Linking gas and galaxies at high redshift: MUSE surveys the environments of six damped Lyman alpha galaxies at z~3
Ruari Mackenzie, Michele Fumagalli, Tom Theuns +12
We present results from a survey of galaxies in the fields of six z>3 Damped Lyman alpha systems (DLAs) using the Multi Unit Spectroscopic Explorer (MUSE) at the Very Large Telesco…
Ultraviolet Perspectives on Diffuse Gas in the Largest Cosmic Structures
Joseph N. Burchett, Daisuke Nagai, Iryna Butsky +31
The past decade has seen an explosion of discoveries and new insights into the diffuse gas within galaxies, galaxy clusters, and the filaments composing the Cosmic Web. A new decad…
The MUSE Ultra Deep Field (MUDF). I. Discovery of a group of Ly nebulae associated with a bright quasar pair
E. Lusso, M. Fumagalli, M. Fossati +17
We present first results from Multi Unit Spectroscopic Explorer (MUSE) observations at the Very Large Telescope in the MUSE Ultra Deep Field (MUDF), a arcmi…
MUSE sneaks a peek at extreme ram-pressure stripping events - IV. Hydrodynamic and gravitational interactions in the Blue Infalling Group
Matteo Fossati, Michele Fumagalli, Giuseppe Gavazzi +5
We report new wide-field (~ 4 x 4 square arcmin) MUSE observations of the Blue Infalling Group (BIG), a compact group of galaxies located at a projected distance of ~ 150 kpc from…