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19992026
most citedEvidence for ultra-fast outflows in radio-quiet AGNs: I - detection and statistical incidence of Fe K-shell absorption lines

658 citations · 9.5k across the 195 of their papers we have counts for

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astro-ph2008★ 115 cited

The XMM-Newton long look of NGC 1365: uncovering of the obscured X-ray source

G. Risaliti, M. Salvati, M. Elvis +10

We present an analysis of the extreme obscuration variability observed during an XMM-Newton 5-days continuous monitoring of the AGN in NGC 1365. The source was in a reflection-domi…

astro-ph2008★ 55 cited

A Comprehensive X-ray Spectral Analysis of the Seyfert 1.5 NGC 3227

A. Markowitz, J. N. Reeves, I. M. George +5

We present results of a 100 ks XMM observation of the Seyfert 1.5 NGC 3227. Our best-fit broadband model to the pn spectrum consists of a moderately flat (photon index 1.57) hard X…

astro-ph2007★ 37 cited

3-5 micron spectroscopy of obscured AGNs in ULIRGs

E. Sani, G. Risaliti, M. Salvati +6

We present the results of infrared L-band (3-4 micron) and M-band (4-5 micron) VLT-ISAAC spectroscopy of five bright Ultraluminous InfraRed Galaxies (ULIRGs) hosting an AGN. From o…

astro-ph2007★ 85 cited

Relativistic Iron K Emission and absorption in the Seyfert 1.9 galaxy MCG-5-23-16

V. Braito, J. N. Reeves, G. C. Dewangan +9

We present the results of the simultaneous deep XMM and Chandra observations of the bright Seyfert 1.9 galaxy MCG-5-23-16, which is thought to have one of the best known examples o…

astro-ph2006★ 38 cited

The stellar content of the XMM-Newton Bright Serendipitous Survey

J. Lopez-Santiago, G. Micela, S. Sciortino +5

Context: The comparison of observed counts in a given sky direction with predictions by Galactic models yields constraints to the spatial distribution and the stellar birthrate of…

astro-ph2006★ 244 cited

Extremely compact massive galaxies at z~1.4

I. Trujillo, G. Feulner, Y. Goranova +9

The optical rest-frame sizes of 10 of the most massive (~5x10^{11}h_{70}^{-2}M_sun) galaxies found in the near-infrared MUNICS survey at 1.2<z<1.7 are analysed. Sizes were estimate…

astro-ph2006★ 96 cited

Fe K Emission and Absorption in the XMM-EPIC Spectrum of the Seyfert Galaxy IC 4329a

A. Markowitz, J. Reeves, V. Braito

We present a detailed analysis of the XMM-Newton long-look of the Seyfert galaxy IC 4329a. The Fe K bandpass is dominated by two resolved peaks at 6.4 keV and 7.0 keV, consistent w…

astro-ph2006★ 18 cited

An X-ray bright ERO hosting a type 2 QSO

P. Severgnini, A. Caccianiga, V. Braito +8

We present the XMM-Newton and the optical-VLT spectra along with the optical and the near-infrared photometric data of one of the brightest X-ray (F(2-10 keV)~1e-13 erg/s cm^2) ext…

astro-ph2005★ 21 cited

The double AGN in NGC 6240 revealed through 3-5 micron spectroscopy

G. Risaliti, E. Sani, R. Maiolino +7

We present 3-5 micron spectroscopy of the interacting system NGC 6240, showing the presence of two active galactic nuclei. The brightest (southern) nucleus shows up with a starburs…

astro-ph2005★ 6 cited

Low Redshift BAL QSOs in the Eigenvector 1 Context

J. W. Sulentic, D. Dultzin-Hacyan, P. Marziani +4

We attempt to characterize the geometry of Broad Absorption Line (BAL) QSOs by studying a low redshift sample of 12 sources. We find that the majority of these sources are Populati…

astro-ph2005

The Bright Side of the Hard X-ray Sky: The XMM-Newton Bright Survey

R. Della Ceca, A. Caccianiga, P. Severgnini +3

We discuss here the main goals and some interesting results of the "XMM-Newton Bright Serendipitous Survey", a research program conducted by the XMM-Newton Survey Science Center in…

astro-ph2005★ 82 cited

Unveiling the nature of Ultraluminous Infrared Galaxies with 3-4 micron spectroscopy

G. Risaliti, R. Maiolino, A. Marconi +6

We present the results of L-band spectroscopical observations of local bright ULIRGs, performed with ISAAC at the VLT. We discuss the L-band spectral features of seven single sourc…

astro-ph2005★ 36 cited

Dating the stellar population in massive early-type galaxies at 1.5

M. Longhetti, P. Saracco, P. Severgnini +7

We present the analysis of 10 massive early-type galaxies at . They have been identified by means of a near-IR low resolution spectroscopic follow-up of a complete sample…

astro-ph2005★ 10 cited

The XMM-Newton view of the relativistic spectral features in AXJ0447-0627

R. Della Ceca, L. Ballo, V. Braito +1

The XMM-Newton observation of the optically Type 1 AGN AXJ0447-0627 (z=0.214) unambiguously reveals a complex, bright and prominent set of lines in the 4-8 keV rest frame energy ra…

astro-ph2005★ 8 cited

The first optical validation of an XLEO: a detection in the XMM-Newton observation of the CDFS

V. Braito, T. Maccacaro, A. Caccianiga +2

We present the first optical validation of an X-ray Line-Emitting Object (XLEO) discovered in the XMM-Newton observation of the Chandra Deep Field South. The object is an AGN at z_…

astro-ph2004★ 91 cited

The density of very massive evolved galaxies to z~1.7

P. Saracco, M. Longhetti, P. Severgnini +8

We spectroscopically identified 7 massive evolved galaxies with magnitudes 17.8<K<18.4 at 1.3<z<1.7 over an area of ~160 arcmin^2 of the MUNICS survey. Their rest-frame K-band abso…

astro-ph2004★ 12 cited

X-ray Line Emitting Objects in XMM-Newton Observations: the Tip of the Iceberg

T. Maccacaro, V. Braito, R. Della Ceca +2

We present preliminary results from a novel search for X-ray Line Emitting Objects (XLEOs) in XMM-Newton images. Three sources have been detected in a test-run analysis of 13 XMM-N…

astro-ph2004★ 39 cited

Looking for obscured QSOs in the X-ray emitting ERO population

P. Severgnini, R. Della Ceca, V. Braito +8

We present XMM-Newton data centered on one of the MUNICS Near Infrared Cluster Survey fields (S2F1) and we discuss the X-ray properties of the 6 X-ray emitting EROs found. For one…

astro-ph2004★ 29 cited

XMM-Newton spectroscopy of an X-ray selected sample of RL AGNs

E. Galbiati, A. Caccianiga, T. Maccacaro +6

This paper presents the X-ray spectroscopy of an X-ray selected sample of 25 radio-loud (RL) AGNs extracted from the XBSS sample. The main goal is to study the origin of the X-ray…

astro-ph2004★ 5 cited

First XMM-Newton study of two Narrow-Line Seyfert 1 galaxies discovered in the Sloan Digital Sky Survey

L. Foschini, V. Braito, G. G. C. Palumbo +6

The Early Data Release of the Sloan Digital Sky Survey (SDSS) contains 150 Narrow-Line Seyfert 1 (NLS1) galaxies, most of them previously unknown. We present here the study of the…

astro-ph2004★ 117 cited

Exploring the X-ray Sky with the XMM-Newton Bright Serendipitous Survey

R. Della Ceca, T. Maccacaro, A. Caccianiga +11

ABRIDGED. We present "The XMM-Newton Bright Serendipitous Survey", two flux-limited samples with flux limit fx ~7E-14 cgs in the 0.5-4.5 keV (BSS) and 4.5-7.5 keV (HBSS) energy ban…

astro-ph2004

The broad-band properties of the XMM-Newton Bright Serendipitous Sources

R. Della Ceca, T. Maccacaro, A. Caccianiga +2

We present here "The XMM-Newton Bright Serendipitous Survey", a survey program conducted by the XMM-Newton Survey Science Center. In particular we discuss the main goals of this pr…

astro-ph2004★ 110 cited

2-10 keV luminosity of high-mass binaries as a gauge of ongoing star-formation rate

M. Persic, Y. Rephaeli, V. Braito +4

Based on recent work on spectral decomposition of the emission of star-forming galaxies, we assess whether the integrated 2-10 keV emission from high-mass X-ray binaries (HMXBs), L…

astro-ph2004★ 113 cited

The XMM-Newton and BeppoSAX view of the Ultra Luminous Infrared Galaxy MKN 231

V. Braito, R. Della Ceca, E. Piconcelli +11

We discuss XMM-Newton and BeppoSAX observations of MKN 231, the lowest-redshift Broad Absorption Line (BAL) QSO known so far and one of the best-studied Ultra Luminous Infrared Gal…