activity
19942022
most citedA 3 dimensional diagnostic diagram for Seyfert 2s: probing X-ray absorption and Compton thickness

453 citations · 3.3k across the 50 of their papers we have counts for

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11 papers · 1 filter

astro-ph.HE2022★ 56 cited

ASTRI Mini-Array Core Science at the Observatorio del Teide

S. Vercellone, C. Bigongiari, A. Burtovoi +84

The ASTRI (Astrofisica con Specchi a Tecnologia Replicante Italiana) Project led by the Italian National Institute for Astrophysics (INAF) is developing and will deploy at the Obse…

astro-ph.HE2022★ 14 cited

Extragalactic Observatory Science with the ASTRI Mini-Array at the Observatorio del Teide

F. G. Saturni, C. H. E. Arcaro, B. Balmaverde +47

The ASTRI Mini-Array is a next-generation system of nine imaging atmospheric Cherenkov telescopes that is going to be built at the Observatorio del Teide site. After a first phase,…

astro-ph.HE2021★ 14 cited

Dramatic changes in the observed velocity of the accretion disk wind in MCG-03-58-007 are revealed by XMM-Newton and NuSTAR

V. Braito, J. N. Reeves, G. Matzeu +6

Past X-ray observations of the nearby Seyfert 2 MCG-03-58-007 revealed the presence of a powerful and highly variable disk wind, where two possible phases outflowing with $v_{\rm o…

astro-ph.HE2021★ 26 cited

Direct observation of an extended X-ray jet at =6.1

L. Ighina, A. Moretti, F. Tavecchio +6

We report on the direct observation of an extended X-ray jet in the =6.1 radio-loud Active Galactic Nucleus PSO J030947.49+271757.31 from a deep Chandra X-ray observation (128 k…

astro-ph.HE2015★ 5 cited

The structure of the X-ray absorber in Mrk 915 revealed by Swift

P. Severgnini, L. Ballo, V. Braito +5

In this paper we present the results obtained with a monitoring programme (23 days long) performed with Swift-XRT on the local Seyfert galaxy Mrk 915. The light-curve analysis show…

astro-ph.HE2015★ 6 cited

AGN feedback in action: a new powerful wind in 1SXPSJ050819.8+172149?

L. Ballo, P. Severgnini, V. Braito +4

Galaxy merging is widely accepted to be a key driving factor in galaxy formation and evolution, while the feedback from AGN is thought to regulate the BH-bulge coevolution and the…

astro-ph.HE2015★ 354 cited

The XMM-Newton serendipitous survey. VII. The third XMM-Newton serendipitous source catalogue

S. R. Rosen, N. A. Webb, M. G. Watson +37

Thanks to the large collecting area (3 x ~1500 cm at 1.5 keV) and wide field of view (30' across in full field mode) of the X-ray cameras on board the European Space Agency X-r…

astro-ph.HE2013★ 56 cited

Studying the relationship between X-ray emission and accretion in AGNs using the XMM-Newton Bright Serendipitous Survey

R. Fanali, A. Caccianiga, P. Severgnini +5

We study the link between the X-ray emission in radio-quiet AGNs and the accretion rate on the central Supermassive Black Hole using a statistically well-defined and representative…

astro-ph.HE2011★ 78 cited

Blazars in the early Universe

Marta Volonteri, Francesco Haardt, Gabriele Ghisellini +1

We investigate the relative occurrence of radio--loud and radio-quiet quasars in the first billion years of the Universe, powered by black holes heavier than one billion solar mass…

astro-ph.HE2010★ 61 cited

Cross-correlation of the 2XMMi catalogue with Data Release 7 of the Sloan Digital Sky Survey

F. -X. Pineau, C. Motch, F. Carrera +5

The Survey Science Centre of the XMM-Newton satellite released the first incremental version of the 2XMM catalogue in August 2008 . With more than 220,000 X-ray sources, the 2XMMi…

astro-ph.HE2010★ 121 cited

Chasing the heaviest black holes of jetted Active Galactic Nuclei

G. Ghisellini, R. Della Ceca, M. Volonteri +7

We investigate the physical properties of the 10 blazars at redshift greater than 2 detected in the 3-years all sky survey performed by the Burst Alert Telescope (BAT) onboard the…