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Faint progenitors of luminous quasars: why don't we see them?
Edwige Pezzulli, Rosa Valiante, Maria C. Orofino +3
Observational searches for faint active nuclei at have been extremely elusive, with a few candidates whose high- nature is still to be confirmed. Interpreting this lack…
Interpreting the evolution of galaxy colours from to
Mattia Mancini, Raffaella Schneider, Luca Graziani +4
We attempt to interpret existing data on the evolution of the UV luminosity function and UV colours, , of galaxies at , to improve our understanding of their du…
Super-Eddington growth of the first black holes
Edwige Pezzulli, Rosa Valiante, Raffaella Schneider
The assembly of the first super massive black holes (SMBHs) at is still a subject of intense debate. If black holes (BHs) grow at their Eddington rate, they must star…
From the first stars to the first black holes
Rosa Valiante, Raffaella Schneider, Marta Volonteri +1
The growth of the first super massive black holes (SMBHs) at z > 6 is still a major challenge for theoretical models. If it starts from black hole (BH) remnants of Population III s…
The dust content of the most metal-poor star-forming galaxies
Raffaella Schneider, Leslie Hunt, Rosa Valiante
Although dust content is usually assumed to depend uniquely on metallicity, recent observations of two extremely metal-poor dwarf galaxies have suggested that this may not always b…