56 citations · 166 across the 9 of their papers we have counts for
6 papers · 1 filter
Black-hole masses of type 1 AGN in the XMM-Newton bright serendipitous survey
A. Caccianiga, R. Fanali, P. Severgnini +3
We derive masses of the central super-massive black hole (SMBH) and accretion rates for 154 type1 AGN belonging to a well-defined X-ray-selected sample, the XMM-Newton Serendipitou…
NGC454: unveiling a new "changing look" AGN
Elena Marchese, Valentina Braito, Roberto Della Ceca +2
We present a detailed analysis of the X-ray spectrum of the Seyfert 2 galaxy NGC454E, belonging to the interacting system NGC454. Observations performed with Suzaku, XMM-Newton and…
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…
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…
GALEX measurements of the Big Blue Bump as a tool to study bolometric corrections in AGNs
Elena Marchese, R. Della Ceca, A. Caccianiga +2
Active Galactic Nuclei emit over the entire electromagnetic spectrum with the peak of the accretion disk emission in the far-UV, a wavelength range historically difficult to invest…
The XBS sample of type 1 AGNs: Radio loudness vs. physical parameters
A. Caccianiga, P. Severgnini, R. Della Ceca +2
We have studied the relationship between the AGN radio-loudness and the mass of the central black-hole by using the ~190 type 1 AGN selected in the XMM-Newton Bright Survey (XBS).…