929 citations · 3.5k across the 42 of their papers we have counts for
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astro-ph.HE2010
The high-redshift Universe with the International X-ray Observatory
A. Comastri, P. Ranalli, R. Gilli +3
We discuss some of the main open issues related to the light-up and evolution of the first accreting sources powering high redshift luminous quasars. We discuss the perspectives of…
astro-ph.HE2009★ 13 cited
Suzaku observation of the Phoenix Galaxy
G. Matt, S. Bianchi, H. Awaki +5
In recent years, several Seyfert 2 galaxies have been discovered that change state when observed in X-rays a few years apart, switching from Compton-thin to reflection-dominated or…