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Energy-shifted lines in XMM-Newton spectra of Seyfert Galaxies
A. L. Longinotti, S. Sim, K. Nandra +2
In the recent literature on AGNs it has been often reported that spectra of Seyfert 1 Galaxies show resonant absorption lines of Fe K which are redshifted from the rest frame posit…
The Ionized Gas and Nuclear Environment in NGC 3783 V. Variability and Modeling of the Intrinsic Ultraviolet Absorption
J. R. Gabel, S. B. Kraemer, D. M. Crenshaw +13
We present results on the location, physical conditions, and geometry of the outflow in the Seyfert 1 galaxy NGC 3783 from a study of the variable intrinsic UV absorption. Based on…
The Space Density of Moderate Luminosity Active Galaxies at z=3
K. Nandra, E. S. Laird, C. C. Steidel
We present an estimate of the space density of Active Galactic Nuclei (AGN) at z=3. Combining deep X-ray data with Lyman Break Galaxy (LBG) colour-selection in the rest-frame UV ma…
The relationship between X-ray variability amplitude and black hole mass in active galactic nuclei
Paul M. O'Neill, Kirpal Nandra, Iossif E. Papadakis +1
We have investigated the relationship between the 2-10 keV X-ray variability amplitude and black hole mass for a sample of 46 radio-quiet active galactic nuclei observed by ASCA. T…
X-ray properties of UV-selected star forming galaxies at z~1 in the Hubble Deep Field North
E. S. Laird, K. Nandra, K. L. Adelberger +2
We present an analysis of the X-ray emission from a large sample of ultraviolet (UV) selected, star forming galaxies with 0.74<z<1.32 in the Hubble Deep Field North (HDF-N) region.…