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The impact of primordial supersonic flows on early structure formation, reionization and the lowest-mass dwarf galaxies
Umberto Maio, Leon V. E. Koopmans, Benedetta Ciardi
Tseliakhovich & Hirata recently discovered that higher-order corrections to the cosmological linear-perturbation theory lead to supersonic coherent baryonic flows just after recomb…
The interplay between chemical and mechanical feedback from the first generation of stars
Umberto Maio, Sadegh Khochfar, Jarrett L. Johnson +1
We study cosmological simulations of early structure formation, including non-equilibrium molecular chemistry, metal pollution from stellar evolution, transition from population II…
The transition from population III to population II-I star formation
U. Maio, B. Ciardi, K. Dolag +2
We present results from the first cosmological simulations which study the onset of primordial, metal-free (population III), cosmic star formation and the transition to the present…
Power spectrum extraction for redshifted 21-cm epoch of reionization experiments: the LOFAR case
Geraint Harker, Saleem Zaroubi, Gianni Bernardi +13
One of the aims of the Low Frequency Array (LOFAR) Epoch of Reionization (EoR) project is to measure the power spectrum of variations in the intensity of redshifted 21-cm radiation…
Foregrounds for observations of the cosmological 21 cm line: II. Westerbork observations of the fields around 3C196 and the North Celestial Pole
G. Bernardi, A. G. de Bruyn, G. Harker +11
In the coming years a new insight into galaxy formation and the thermal history of the Universe is expected to come from the detection of the highly redshifted cosmological 21 cm l…