Publicación
Is the Bremer Deep Field reionized, at z ∼ 7?
We show herein that the population of star-forming galaxies in the Bremer Deep Field (BDF) has enough ionizing power to form two large ionized bubbles that...
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PublicaciónJWST Constraints on the UV Luminosity Density at Cosmic Dawn: Implications for 21 cm CosmologyAn unprecedented array of new observational capabilities are starting to yield key constraints on models of the epoch of first light in the Universe. In this...
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PublicaciónLarge Scale Absorbers in the Environment of High-z Radio-GalaxiesWe discuss a number of interesting questions that arise from studies of extended absorbers observed in high redshift radio-galaxies. We propose to carry out 2-D...
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CharlaLet there be light: galaxy formation for the noviceThe origin of the galaxies represents an important focus of current cosmological research, both observational and theoretical. Its resolution involves a...
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PublicaciónLines in the cosmic microwave background spectrum from the epoch of cosmological helium recombinationThe main goal of this work is to calculate the contributions of bound-bound transitions of helium to the cosmological recombination spectrum. We show that...
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PublicaciónLines in the cosmic microwave background spectrum from the epoch of cosmological hydrogen recombinationWe compute the spectral distortions of the cosmic microwave background (CMB) arising during the epoch of cosmological hydrogen recombination within the standard...
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PublicaciónLooking for the traces of the early Universe in the Fornax dSph galaxyWe present the full Star Formation History as a function of radius of the Fornax dSph galaxy. We also present the preliminary results of the spatial...
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PublicaciónLow deuterium abundance in the z_abs=3.514 absorber towards APM 08279+5255{A high-resolution, high signal-to-noise HIRES-Keck spectrum of APM 08279+5255 reveals a feature in the HI Lyalpha profile of the z_abs=3.514 absorber at the...
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CharlaMatter-antimatter sourced dark matterCosmological and astrophysical e xperimental data demark a large share of the limits of our knowledge in fundamental physics. I'll review two pieces of evidence...