56 citations · 166 across the 9 of their papers we have counts for
Showing 2011Show all
2 papers · 1 filter
astro-ph.CO2011★ 48 cited
The optical-UV spectral energy distribution of the unabsorbed AGN population in the XMM-Newton Bright Serendipitous Survey
E. Marchese, R. Della Ceca, A. Caccianiga +3
Active galactic nuclei (AGN) emit radiation over a wide range of wavelengths, with a peak of emission in the far-UV region of the electromagnetic spectrum, a spectral region that i…
astro-ph.CO2011
X-ray selected Narrow-Line Seyfert 1 Galaxies
A. Caccianiga, P. Severgnini, R. Della Ceca +3
We present and discuss the properties of a complete and well defined sample of X-ray selected type 1 AGNs including 26 Narrow-Line Seyfert 1 and 129 Broad-Line Seyfert 1 galaxies d…