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Reionization constraints on primordial magnetic fields
Kanhaiya L. Pandey, T. Roy Choudhury, Shiv K. Sethi +1
We study the impact of the extra density fluctuations induced by primordial magnetic fields on the reionization history in the redshift range: . We perform a comprehens…
Reionization of the Intergalactic Medium
Andrea Ferrara, Stefania Pandolfi
After recombination the cosmic gas was left in a cold and neutral state. However, as the first stars and black holes formed within early galactic systems, their UV and X-ray radiat…
First CO(17-16) emission line detected in a z > 6 quasar
Simona Gallerani, Andrea Ferrara, Roberto Neri +1
We report the serendipitous detection of the CO(17-16) emission line toward the quasar SDSSJ114816.64+525150.3 (J1148) at redshift z = 6.4 obtained with the Plateau de Bure Interfe…
Very extended cold gas, star formation and outflows in the halo of a bright QSO at z>6
C. Cicone, R. Maiolino, S. Gallerani +6
Past observations of QSO host galaxies at z >6 have found cold gas and star formation on compact scales of a few kiloparsecs. We present new high sensitivity IRAM PdBI follow-up ob…
The circumgalactic medium of high redshift galaxies
Andrea Pallottini, Simona Gallerani, Andrea Ferrara
We study the properties of the circumgalactic medium (CGM) of high- galaxies in the metal enrichment simulations presented in Pallottini et al. 2014. At , we find that the…
Constraining dust formation in high-redshift young galaxies
Hiroyuki Hirashita, Andrea Ferrara, Pratika Dayal +1
Core-collapse supernovae (SNe) are believed to be the first significant source of dust in the Universe. Such SNe are expected to be the main dust producers in young high-redshift L…