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BeppoSAX uncovers a type-2 QSO in the hyperluminous infrared galaxy IRAS 09104+4109
A. Franceschini, L. Bassani, L. Cappi +4
We studied with BeppoSAX the infrared luminous galaxy IRAS 09104+4109 over a very wide X-ray band from 0.1 to 80 keV. Our observations indicate the dominance of a thermal component…
On the Relationship between Galaxy Formation and Quasar Evolution
Alberto Franceschini, Guenther Hasinger, Takamitsu Miyaji +1
We compare the evolution with cosmic time of the star-formation rate per comoving volume in galaxies and of the volume emissivity by Active Galactic Nuclei, as a clue to understand…
New photometric models of galactic evolution applied to the HDF
G. L. Granato, L. Silva, L. Danese +4
We summarize our modelling of galaxy photometric evolution (GRASIL code). By including the effects of dust grains and PAHs molecules in a two phases clumpy medium, where clumps are…
FIRBACK Far Infrared Survey with ISO: Data Reduction, Analysis and First Results
Herve Dole, Guilaine Lagache, Jean-Loup Puget +19
FIRBACK is one of the deepest cosmological surveys performed in the far infrared, using ISOPHOT. We describe this survey, its data reduction and analysis. We present the maps of fi…
Diffuse Thermal Emission from Very Hot Gas in Starburst Galaxies: Spatial Results
M. Cappi, M. Persic, S. Mariani +13
New BeppoSAX observations of the nearby prototypical starburst galaxies NGC 253 and M82 are presented. A companion paper (Cappi et al. 1998;astro-ph/9809325) shows that the hard (2…
A Deep 12 Micron Survey with ISO
D. L. Clements, F-X. Desert, A. Franceschini +4
We present the first results of a study of faint 12 micron sources detected with the Infrared Space Observatory (ISO) in four deep, high galactic latitude fields. The sample includ…