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Constraints on the Lyman continuum escape fraction for faint star forming galaxies
J. Japelj, E. Vanzella, F. Fontanot +6
Star forming galaxies have long been considered the dominant sources of the cosmic ultraviolet background radiation at early epochs. However, observing and characterizing the galax…
Paving the way for the JWST: witnessing globular cluster formation at z>3
E. Vanzella, F. Calura, M. Meneghetti +17
We report on five compact, extremely young (<10Myr) and blue (β_UV<-2.5, F_λ=λ^β) objects observed with VLT/MUSE at redshift 3.1169, 3.235, in addition to three objects at z=6.145.…
Illuminating gas in-/outflows in the MUSE deepest fields: discovery of Ly-alpha nebulae around forming galaxies at z~3.3
E. Vanzella, I. Balestra, M. Gronke +11
We report on the discovery of extended Ly-alpha nebulae at z~3.3 in the Hubble Ultra Deep Field (HUDF, ~ 40 kpc X 80 kpc) and behind the Hubble Frontier Fields galaxy cluster MACSJ…
A refined mass distribution of the cluster MACS J0416.12403 from a new large set of spectroscopic multiply lensed sources
G. B. Caminha, C. Grillo, P. Rosati +11
We report the spectroscopic confirmation of 22 new multiply lensed sources behind the Hubble Frontier Field (HFF) galaxy cluster MACS~J0416.12403 (MACS 0416), using archival dat…
MUSE integral-field spectroscopy towards the Frontier Fields cluster Abell S1063: II. Properties of low luminosity Lyman alpha emitters at z>3
W. Karman, K. I. Caputi, G. B. Caminha +11
In spite of their conjectured importance for the Epoch of Reionization, the properties of low-mass galaxies are currently still under large debate. In this article, we study the st…
Precise strong lensing mass profile of the CLASH galaxy cluster MACS 2129
A. Monna, S. Seitz, I. Balestra +12
We present a detailed strong lensing (SL) mass reconstruction of the core of the galaxy cluster MACSJ 2129.4-0741 () obtained by combining high-resolution HST pho…
High-resolution spectroscopy of a young, low-metallicity optically-thin L=0.02L* star-forming galaxy at z=3.12
E. Vanzella, S. De Barros, G. Cupani +29
We present VLT/X-Shooter and MUSE spectroscopy of an faint F814W=28.60+/-0.33 (Muv=-17.0), low mass (~<10^7 Msun) and compact (Reff=62pc) freshly star-forming galaxy at z=3.1169 ma…
CLASH-VLT: Testing the Nature of Gravity with Galaxy Cluster Mass Profiles
L. Pizzuti, B. Sartoris, S. Borgani +13
We use high-precision kinematic and lensing measurements of the total mass profile of the dynamically relaxed galaxy cluster MACS J1206.2-0847 at to estimate the value of…
Dark matter fraction of low-mass cluster members probed by galaxy-scale strong lensing
W. G. Parry, C. Grillo, A. Mercurio +8
We present a strong lensing system, composed of 4 multiple images of a source at z = 2.387, created by two lens galaxies, G1 and G2, belonging to the galaxy cluster MACS J1115.9+01…
The Dark Energy Survey: more than dark energy - an overview
Dark Energy Survey Collaboration, T. Abbott, F. B. Abdalla +138
This overview article describes the legacy prospect and discovery potential of the Dark Energy Survey (DES) beyond cosmological studies, illustrating it with examples from the DES…