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ALMA-JELLY II. Constraining the radial profiles of the quenching timescales in ram-pressure-stripped galaxies
Roberto P. Infurna, Matteo Fossati, Alessandro Boselli +21
We investigate the environmental quenching histories and spatial progression of ram-pressure stripping in 11 galaxies in the nearby Coma, Norma, and A1367 clusters. As part of the…
A Giant Disk Galaxy Two Billion Years After The Big Bang
Weichen Wang, Sebastiano Cantalupo, Antonio Pensabene +14
Observational studies showed that galaxy disks are already in place in the first few billion years of the universe. The early disks detected so far, with typical half-light radii o…
Metal line emission around z<1 galaxies
Rajeshwari Dutta, Michele Fumagalli, Matteo Fossati +7
We characterize, for the first time, the average extended emission in multiple lines ([OII], [OIII], and Hbeta) around a statistical sample of 560 galaxies at z~0.25-0.85. By stack…
The stellar population of a Ly emitting group associated with a damped Ly absorber
Giulia Pruto, Michele Fumagalli, Marc Rafelski +4
We present near-infrared observations, acquired with the Wide Field Camera 3 (WFC3) on board of the Hubble Space Telescope (HST), of a Ly double-clumped emitting nebula at $z \a…
The MUSE Ultra Deep Field (MUDF). VI. The relationship between galaxy properties and metals in the circumgalactic medium
Alexander Beckett, Marc Rafelski, Mitchell Revalski +10
We present intial results associating galaxies in the MUSE Ultra Deep Field (MUDF) with gas seen in absorption along the line-of-sight to two bright quasars in this field, to explo…
Not So Round: VLA Observations of the Starless Dark Matter Halo Candidate Cloud-9
Alejandro Benítez-Llambay, Rajeshwari Dutta, Michele Fumagalli +1
Observations with FAST recently detected HI 21-cm emission near M94, revealing an intriguing object, Cloud-9, without an optical counterpart. Subsequent analysis suggests Cloud-9 i…
MUSE Analysis of Gas around Galaxies (MAGG) -- VI. The cool and enriched gas environment of z3 Ly emitters
Marta Galbiati, Rajeshwari Dutta, Michele Fumagalli +2
We present a novel dataset that extends our view of the cosmic gas around z3-4 Ly emitting galaxies (LAEs) in the Muse Analysis of Gas around Galaxies (MAGG) survey by…
The MUSE Ultra Deep Field (MUDF). V. Characterizing the Mass-Metallicity Relation for Low Mass Galaxies at -
Mitchell Revalski, Marc Rafelski, Alaina Henry +13
Using more than 100 galaxies in the MUSE Ultra Deep Field with spectroscopy from the Hubble Space Telescope's Wide Field Camera 3 and the Very Large Telescope's Multi Unit Spectros…
Probing coherence in metal absorption towards multiple images of strong gravitationally lensed quasars
Rajeshwari Dutta, Ana Acebron, Michele Fumagalli +3
We present a tomographic analysis of metal absorption lines arising from the circumgalactic medium (CGM) of galaxies at z~0.5-2, using Multi Unit Spectroscopic Explorer (MUSE) obse…
Quasar Sightline and Galaxy Evolution (QSAGE) -- III. The mass-metallicity and fundamental metallicity relation of 2.2 galaxies
H. M. O. Stephenson, J. P. Stott, F. Cullen +8
We present analysis of the mass-metallicity relation (MZR) for a sample of 67 [OIII]-selected star-forming galaxies at a redshift range of ()…
Galaxy Formation and Symbiotic Evolution with the Inter-Galactic Medium in the Age of ELT-ANDES
Valentina D'Odorico, James S. Bolton, Lise Christensen +21
High-resolution absorption spectroscopy toward bright background sources has had a paramount role in understanding early galaxy formation, the evolution of the intergalactic medium…
Resolving the physics of Quasar Ly Nebulae (RePhyNe): I. Constraining Quasar host halo masses through Circumgalactic Medium kinematics
Stephanie de Beer, Sebastiano Cantalupo, Andrea Travascio +8
Ly nebulae ubiquitously found around z>2 quasars can supply unique constraints on the properties of the Circumgalactic Medium, such as its density distribution, provided the qua…
The MUSE Ultra Deep Field (MUDF). IV. A pair of X-ray weak quasars at the heart of two extended Lyα nebulae
Elisabeta Lusso, Emanuele Nardini, Michele Fumagalli +10
We present the results obtained from follow-up observations of the MUSE Ultra Deep Field (MUDF) at X-ray energies with XMM-Newton. The MUDF is centred on a unique field with two br…
Universal Upper End of the Stellar Initial Mass Function in the Young and Compact LEGUS clusters
Dooseok Escher Jung, Daniela Calzetti, Matteo Messa +21
We investigate the variation in the upper end of stellar initial mass function (uIMF) in 375 young and compact star clusters in five nearby galaxies within Mpc. All the yo…
Towards an automatic approach to modelling the circumgalactic medium: new tools for mock making and fitting of metal profiles in large surveys
Alessia Longobardi, Matteo Fossati, Michele Fumagalli +6
We present two new tools for studying and modelling metal absorption lines in the circumgalactic medium. The first tool, dubbed ``NMF Profile Maker'' (NMFPM), uses a non-negativ…
Towards ultra metal-poor DLAs: linking the chemistry of the most metal-poor DLA to the first stars
Louise Welsh, Ryan Cooke, Michele Fumagalli +1
We present new Keck/HIRES data of the most metal-poor damped Lyman-alpha (DLA) system currently known. By targeting the strongest accessible Fe II features, we have improved the up…
Constraining the LyC escape fraction from LEGUS star clusters with SIGNALS HII region observations: A pilot study of NGC 628
J. W. Teh, K. Grasha, M. R. Krumholz +23
The ionising radiation of young and massive stars is a crucial form of stellar feedback. Most ionising (Lyman-continuum; LyC, ) photons are absorbed close to the stars tha…
JCMT/SCUBA-2 uncovers an excess of m counts on megaparsec scales around high-redshift quasars. Characterization of the overdensities and their alignment with the quasars' Ly nebulae
Fabrizio Arrigoni Battaia, Aura Obreja, Chian-Chou Chen +7
We conducted a systematic survey of the environment of high-z quasars at submillimeter wavelengths to unveil and characterize the surrounding distribution of dusty submillimeter ga…
On the Metallicities and Kinematics of the Circumgalactic Media of Damped Ly Systems at
Stephanie M. Urbano Stawinski, Kate H. R. Rubin, J. Xavier Prochaska +7
We use medium- and high-resolution spectroscopy of close pairs of quasars to analyze the circumgalactic medium (CGM) surrounding 32 damped Ly absorption systems (DLAs). The prim…
Evidence of First Stars-enriched Gas in High-redshift Absorbers
A. Saccardi, S. Salvadori, V. D'Odorico +6
The first stars were born from chemically pristine gas. They were likely massive, and thus they rapidly exploded as supernovae, enriching the surrounding gas with the first heavy e…
Metal line emission from galaxy haloes at z~1
Rajeshwari Dutta, Matteo Fossati, Michele Fumagalli +12
We present a study of the metal-enriched halo gas, traced using MgII and [OII] emission lines, in two large, blind galaxy surveys - the MUSE (Multi Unit Spectroscopic Explorer) Ana…
The MUSE Ultra Deep Field (MUDF). III. Hubble Space Telescope WFC3 Grism Spectroscopy and Imaging
Mitchell Revalski, Marc Rafelski, Michele Fumagalli +18
We present extremely deep Hubble Space Telescope (HST) Wide Field Camera 3 (WFC3) observations of the MUSE Ultra Deep Field (MUDF). This unique region of the sky contains two quasa…
Modelling gas around galaxy pairs and groups using the Q0107 quasar triplet
Alexander Beckett, Simon L. Morris, Michele Fumagalli +3
We examine to what extent disk and outflow models can reproduce observations of H I gas within a few virial radii of galaxies in pairs and groups. Using highly-sensitive HST/COS an…
MUSE Analysis of Gas around Galaxies (MAGG) -- V: Linking ionized gas traced by CIV and SiIV absorbers to Ly emitting galaxies at
Marta Galbiati, Michele Fumagalli, Matteo Fossati +5
We use 28 quasar fields with high-resolution (HIRES and UVES) spectroscopy from the MUSE Analysis of Gas Around Galaxies survey to study the connection between Ly emitters (LAEs…