activity
19942004
most citedExtragalactic Background Light: new constraints from the study of the photon-photon absorption on blazar spectra

1 citations · 1 across the 2 of their papers we have counts for

collaborators

9 papers

astro-ph20041 cited

Extragalactic Background Light: new constraints from the study of the photon-photon absorption on blazar spectra

M. Mapelli, R. Salvaterra, A. Ferrara

The study of the Extragalactic Background Light (EBL) is crucial to understand many astrophysical problems (as the formation of first stars, the evolution of galaxies and the role…

astro-ph2004

Feedback Processes at Cosmic Dawn

A. Ferrara, R. Salvaterra

The consequences of energy injection associated with stellar activity in galaxies have been often referred to as ``feedback effects''. Assessing the detailed physics and the role o…

astro-ph2002

On the Direct Detectability of the Cosmic Dark Ages: 21-cm Emission from Minihalos

Ilian T. Iliev, Paul R. Shapiro, Andrea Ferrara +1

In the standard Cold Dark Matter (CDM) theory of structure formation, virialized minihalos (with T_vir}<10^4 K) form in abundance at high redshift (z>6), during the cosmic ``dark a…

astro-ph2000

Physical Processes at Cosmic Dawn

Andrea Ferrara

In this summary paper I will focus on the four main topics discussed at this Conference: (i) First luminous sources in the universe, (ii) Reionization, (iii) Intergalactic medium a…

astro-ph2000

Feedback Processes in the Early Universe

A. Ferrara, B. Ciardi, S. Marri +1

Feedback effects due to massive stars and supernovae in the first objects are shown to strongly regulate both galaxy formation/evolution and the reionization process. Here we revie…

astro-ph1998

Intergalactic H_2 Photodissociation and the Soft UV Background Produced by Population III Objects

Benedetta Ciardi, Andrea Ferrara, Tom Abel

We study the effects of the ionizing and dissociating photons produced by PopIII objects on the surrounding intergalactic medium. We find that the typical size of a H_2 photodissoc…