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Narrowing the discovery space of the cosmological 21-cm signal using multi-wavelength constraints
Jiten Dhandha, Anastasia Fialkov, Thomas Gessey-Jones +6
The cosmic 21-cm signal is a promising probe of the early Universe, owing to its sensitivity to the thermal state of the neutral intergalactic medium (IGM) and properties of the fi…
Model-independent constraints on the hydrogen-ionizing emissivity at z>6
Charlotte A. Mason, Rohan P. Naidu, Sandro Tacchella +1
Modelling reionization often requires significant assumptions about the properties of ionizing sources. Here, we infer the total output of hydrogen-ionizing photons (the ionizing e…
Stacking the Cosmic Web in Fluorescent Lyman alpha Emission with MUSE
Sofia G. Gallego, Sebastiano Cantalupo, Simon Lilly +12
Cosmological simulations suggest that most of the matter in the Universe is distributed along filaments connecting galaxies. Illuminated by the cosmic UV background (UVB), these st…
Gamma Ray Burst and star formation rates: The physical origin for the redshift evolution of their ratio
M. Trenti, R. Perna, S. Tacchella
Gamma Ray Bursts (GRBs) and galaxies at high redshift represent complementary probes of the star formation history of the Universe. In fact, both the GRB rate and the galaxy lumino…
Keck-I MOSFIRE spectroscopy of the z~12 candidate galaxy UDFj-39546284
P. L. Capak, A. Faisst, J. D. Vieira +3
We report the results of deep (4.6h) H band spectroscopy of the well studied z~12 H-band dropout galaxy candidate UDFj-39546284 with MOSFIRE on Keck-I. These data reach a sensitivi…
A physical model for the 0 < z < 8 redshift evolution of the galaxy UV luminosity and stellar mass functions
Sandro Tacchella, Michele Trenti, C. Marcella Carollo
We present a model to understand the redshift evolution of the UV luminosity and stellar mass functions of Lyman Break Galaxies. Our approach is based on the assumption that the lu…