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A new high-precision strong lensing model of the galaxy cluster MACS J0416.1-2403
Pietro Bergamini, Piero Rosati, Eros Vanzella +8
We present a new high-precision parametric strong lensing model of the galaxy cluster MACS J0416.1-2403, at z=0.396, which takes advantage of the MUSE Deep Lensed Field (MDLF), wit…
The MUSE Deep Lensed Field on the Hubble Frontier Field MACS~J0416
E. Vanzella, G. B. Caminha, P. Rosati +21
Context: A census of faint and tiny star forming complexes at high redshift is key to improving our understanding of reionizing sources, galaxy growth and the formation of globular…
Constraints on the [CII] luminosity of a proto-globular cluster at z~6 obtained with ALMA
F. Calura, E. Vanzella, S. Carniani +11
We report on ALMA observations of D1, a system at z~6.15 with stellar mass M_* ~ 10^7 M_sun containing globular cluster (GC) precursors, strongly magnified by the galaxy cluster MA…
The search for galaxy cluster members with deep learning of panchromatic HST imaging and extensive spectroscopy
G. Angora, P. Rosati, M. Brescia +9
The next generation of data-intensive surveys are bound to produce a vast amount of data, which can be dealt with using machine-learning methods to explore possible correlations wi…
An excess of small-scale gravitational lenses observed in galaxy clusters
Massimo Meneghetti, Guido Davoli, Pietro Bergamini +11
Cold dark matter (CDM) constitutes most of the matter in the Universe. The interplay between dark and luminous matter in dense cosmic environments like galaxy clusters is studied t…
ALMA Lensing Cluster Survey: an ALMA galaxy signposting a MUSE galaxy group at z=4.3 behind 'El Gordo'
K. I. Caputi, G. B. Caminha, S. Fujimoto +24
We report the discovery of a Multi Unit Spectroscopic Explorer (MUSE) galaxy group at z=4.32 lensed by the massive galaxy cluster ACT-CL J0102-4915 (aka El Gordo) at z=0.87, associ…
Quantum Phases of Time Order in Many-Body Ground States
Tie-Cheng Guo, Li You
Understanding phases of matter is of both fundamental and practical importance. Prior to the widespread appreciation and acceptance of topological order, the paradigm of spontaneou…
Probing the circum-stellar medium 2.8 Gyr after the Big Bang: detection of Bowen fluorescence in the Sunburst arc
E. Vanzella, M. Meneghetti, A. Pastorello +13
We discovered Bowen emission arising from a strongly lensed (i.e., with magnification factor >20) source hosted in the Sunburst arc at z=2.37. We claim this source is plausibly…
CLASH-VLT: a full dynamical reconstruction of the mass profile of Abell S1063 from 1 kpc out to the virial radius
B. Sartoris, A. Biviano, P. Rosati +8
Context: The shape of the mass density profiles of cosmological halos informs us of the nature of DM and DM-baryons interactions. Previous estimates of the inner slope of the mass…
Candidate Population III stellar complex at z=6.629 in the MUSE Deep Lensed Field
E. Vanzella, M. Meneghetti, G. B. Caminha +20
We discovered a strongly lensed (μ>40) Lya emission at z=6.629 (S/N~18) in the MUSE Deep Lensed Field (MDLF) targeting the Hubble Frontier Field galaxy cluster MACS~J0416. Dedicate…
On the accuracy of time-delay cosmography in the Frontier Fields Cluster MACS J1149.5+2223 with supernova Refsdal
C. Grillo, P. Rosati, S. H. Suyu +3
We study possible systematic effects on the values of the cosmological parameters measured through strong lensing analyses of the HFF galaxy cluster MACS J1149.5+2223. We use the o…