96 citations · 101 across the 2 of their papers we have counts for
4 papers
An XMM-Newton view of the X-ray flat radio-quiet quasar PG 1416-129
D. Porquet, J. N. Reeves, A. Markowitz +3
(abridged) The radio-quiet quasar PG1416-129 (z=0.129) exhibits atypical optical and X-ray properties. Between 1990 and 2000, in response to its optical continuum decrease, the ``c…
Fe K Emission and Absorption in the XMM-EPIC Spectrum of the Seyfert Galaxy IC 4329a
A. Markowitz, J. Reeves, V. Braito
We present a detailed analysis of the XMM-Newton long-look of the Seyfert galaxy IC 4329a. The Fe K bandpass is dominated by two resolved peaks at 6.4 keV and 7.0 keV, consistent w…
X-ray Variability Characteristics of the Seyfert 1 Galaxy NGC 3783
A. Markowitz
We have characterized the energy-dependent X-ray variability properties of the Seyfert~1 galaxy NGC 3783 using archival XMM-Newton and Rossi X-ray Timing Explorer data. The high-fr…
X-ray Fluctuation Power Spectral Densities of Seyfert 1 Galaxies
A. Markowitz, R. Edelson, S. Vaughan +11
By combining complementary monitoring observations spanning long, medium and short time scales, we have constructed power spectral densities (PSDs) of six Seyfert~1 galaxies. These…