activity
20022026
most citedThe HELLAS2XMM survey. VII. The hard X-ray luminosity function of AGN up to z=4: more absorbed AGN at low luminosities and high redshifts

423 citations · 964 across the 23 of their papers we have counts for

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Showing 2015Show all

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astro-ph.HE2015★ 31 cited

NuSTAR and multifrequency study of the two high-redshift blazars S5 0836+710 and PKS 2149-306

G. Tagliaferri, G. Ghisellini, M. Perri +15

The most powerful blazars are the flat spectrum radio quasars whose emission is dominated by a Compton component peaking between a few hundred keV and a few hundred MeV. We selecte…