51 citations · 56 across the 6 of their papers we have counts for
34 papers
Exploring the Hard X-/soft gamma-ray Continuum Spectra with Laue Lenses
F. Frontera, A. Pisa, P. De Chiara +17
The history of X-ray astronomy has shown that any advancement in our knowledge of the X-ray sky is strictly related to an increase in instrument sensitivity. At energies above 60 k…
The X-ray luminosity function and number counts of spiral galaxies
Piero Ranalli, Andrea Comastri, Giancarlo Setti
(abridged) A detailed comparison is performed of the LFs compiled at infrared, radio and optical wavelengths and converted into XLFs using available relations with the XLF directly…
The HELLAS2XMM 1dF survey: on the nature of high X-ray to optical flux ratio sources
F. Fiore, M. Brusa, F. Cocchia +12
We present results from the photometric and spectroscopic identification of 122 X-ray sources discovered by XMM-Newton in the 2-10 keV band (the HELLAS2XMM 1dF sample). One of the…
XMM-Newton Survey of a Distance-limited Sample of Seyfert Galaxies: Preliminary Spectral Results
M. Cappi, G. Di Cocco, F. Panessa +19
An unbiased estimate of the average intrinsic X-ray properties and column density distribution of Seyfert galaxies in the local Universe is crucial to validate unified models of ac…
X-ray spectroscopy and time variability of Narrow Line Seyfert 1
F. Cancelliere, A. Comastri
We present the main results of broad band (0.1-10 keV) BeppoSAX observations of a selected sample of Narrow Line Seyfert 1 galaxies (NLS1s). We have performed a spectroscopic analy…
Beyond the X-ray background with XEUS
A. Comastri, P. Ranalli, M. Brusa
We briefly discuss the perspectives of sensitive hard X-ray observations with the large collecting area X-ray telescopes of XEUS.