25 citations · 49 across the 4 of their papers we have counts for
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astro-ph2008★ 21 cited
The Reddest DR3 SDSS/XMM Quasars
Monica Young, Martin Elvis, Guido Risaliti
We have cross-correlated the SDSS DR3 Schneider et al. (2005) quasar catalog with the XMM-Newton archive. Color and redshift selections (g - r > 0.5 and 0.9 z < 2.1) result in a sa…
astro-ph2007★ 25 cited
New flaring of an ultraluminous X-ray source in NGC 1365
R. Soria, A. Baldi, G. Risaliti +4
We have studied a highly variable ultraluminous X-ray source (ULX) in the Fornax galaxy NGC 1365, with a series of 12 Chandra and XMM-Newton observations between 2002 and 2006. In…
astro-ph2007★ 1 cited
X-ray absorption in Active Galactic Nuclei
R. Maiolino, G. Risaliti
We review some of the main physical and statistical properties of the X-ray absorber in AGNs. In particular, we review the distribution of the absorbing column density inferred fro…