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Properties of X-ray selected Broad Absorption Line Quasars
A. J. Blustin, T. Dwelly, M. J. Page +6
Broad absorption line quasars (commonly termed BALQSOs) contain the most dramatic examples of AGN-driven winds. The high absorbing columns in these winds, ~10^24 cm^-2, ensure that…
Correlated Multi-Waveband Variability in the Blazar 3C~279 from 1996 to 2007
R. Chatterjee, S. G. Jorstad, A. P. Marscher +12
We present the results of extensive multi-waveband monitoring of the blazar 3C~279 between 1996 and 2007 at X-ray energies (2-10 keV), optical R band, and 14.5 GHz, as well as imag…
The multiwavelength variability of 3C 273
S. Soldi, M. Türler, S. Paltani +11
We present an update of 3C 273's database hosted by the ISDC, completed with data from radio to gamma-ray observations over the last 10 years. We use this large data set to study t…
The warm absorber in NGC 5548: The lean years
R. G. Detmers, J. S. Kaastra, E. Costantini +2
We study the variability of the warm absorber and the gas responsible for the emission lines in the Seyfert 1 galaxy NGC 5548, in order to constrain the location and physical prope…
X-ray Variability of the Seyfert 1 Markarian 335: Power Spectrum and Time Lags
P. Arevalo, I. M. McHardy, D. P. Summons
To investigate further the comparison between AGN and black hole X-ray binaries, we have studied the main X-ray variability properties of the Seyfert 1 Galaxy Markarian 335. We put…
Fourier-resolved energy spectra of the Narrow Line Seyfert 1 Mkn 766
P. Arevalo, I. M. McHardy, A. Markowitz +4
We compute Fourier-resolved X-ray spectra of the Seyfert 1 Markarian 766 to study the shape of the variable components contributing to the 0.3-10 keV energy spectrum and their time…