629 citations · 2.5k across the 44 of their papers we have counts for
Showing 2000 · astro-phShow all
2 papers · 2 filters
astro-ph2000★ 91 cited
Heavy X-ray Absorption in Soft X-ray Weak Active Galactic Nuclei
S. C. Gallagher, W. N. Brandt, A. Laor +4
Recent ROSAT studies have identified a significant population of Active Galactic Nuclei (AGN) that are notably faint in soft X-rays relative to their optical fluxes. Are these AGN…
astro-ph2000★ 28 cited
The complex X-ray absorbers of NGC 3516 observed by BeppoSAX
E. Costantini, F. Nicastro, A. Fruscione +10
In this paper we present the analysis of two broad band (0.1-150 keV) BeppoSAX observations of the Seyfert 1 galaxy NGC 3516. The two observations were taken 4 months apart, on 199…