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19972022
most citedX-ray Spectral Survey with XMM--Newton of a Complete Sample of Nearby Seyfert Galaxies

228 citations · 2.3k across the 63 of their papers we have counts for

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astro-ph2008★ 103 cited

The XMM-Newton Serendipitous Survey. VI. The X-ray Luminosity Function

J. Ebrero, F. J. Carrera, M. J. Page +6

We present the X-ray luminosity function of AGN in three energy bands (Soft: 0.5-2 keV, Hard: 2-10 keV and Ultrahard: 4.5-7.5 keV). We have used the XMS survey along with other hig…

astro-ph2008★ 99 cited

High precision X-ray logN-logS distributions: implications for the obscured AGN population

S. Mateos, R. S. Warwick, F. J. Carrera +13

We have constrained the extragalactic source count distributions over a broad range of X-ray fluxes and in various energy bands to test whether the predictions from X-ray backgroun…

astro-ph2008★ 105 cited

The cosmological properties of AGN in the XMM-Newton Hard Bright Survey

R. Della Ceca, A. Caccianiga, P. Severgnini +7

(ABRIDGED) We investigate here the XLF of absorbed (Nh between 4E21 and E24 cm-2) and unabsorbed (Nh < 4E21 cm-2) AGN, the fraction of absorbed AGN as a function of Lx (and z), the…

astro-ph2008

Science with Simbol-X

F. Fiore, M. Arnaud, U. Briel +20

Simbol-X is a French-Italian mission, with a participation of German laboratories, for X-ray astronomy in the wide 0.5-80 keV band. Taking advantage of emerging technology in mirro…

astro-ph2007

The Simbol-X view of the unresolved X-ray background

A. Comastri, R. Gilli, F. Fiore +3

We will briefly discuss the importance of sensitive X-ray observations above 10 keV for a better understanding of the physical mechanisms associated to the Supermassive Black Hole…

astro-ph2007★ 56 cited

The XMM-Newton bright serendipitous survey. Identification and optical spectral properties

A. Caccianiga, P. Severgnini, R. Della Ceca +12

AIMS: We present the optical classification and redshift of 348 X-ray selected sources from the XMM-Newton Bright Serendipitous Survey (XBS) which contains a total of 400 objects (…

astro-ph2007★ 4 cited

Heavily obscured AGN with BeppoSAX, INTEGRAL, SWIFT, XMM and Chandra: prospects for Simbol-X

R. Della Ceca, P. Severgnini, A. Caccianiga +6

According to the latest versions of synthesis modeling of the Cosmic X-ray Background, Compton Thick AGN should represent ~50% of the total absorbed AGN population. However, despit…

astro-ph2007★ 73 cited

Elusive AGN in the XMM-Newton bright serendipitous survey

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

AIMS: We investigate here the nature of all the sources (35 in total) in the XBS survey (which is 86% optically identified) showing an optical spectrum dominated by the light from…

astro-ph2007★ 2 cited

The XMM-SSC survey of hard-spectrum XMM-Newton sources 1: optically bright sources

M. J. Page, I. Lehmann, Th. Boller +15

We present optical and X-ray data for a sample of serendipitous XMM-Newton sources that are selected to have 0.5-2 keV vs 2-4.5 keV X-ray hardness ratios which are harder than the…

astro-ph2007★ 46 cited

The XMM-Newton serendipitous survey IV. The AXIS X-ray source counts and angular clustering

F. J. Carrera, J. Ebrero, S. Mateos +14

AXIS (An XMM-Newton International Survey) is a survey of 36 high Galactic latitude XMM-Newton observations covering 4.8 deg2 and containing 1433 serendipitous X-ray sources detecte…

astro-ph2007★ 1 cited

Searching for absorbed AGN in the 2XMM-Newton pre-release EPIC Serendipitous Source Catalogue

Elisabetta Memola, Alessandro Caccianiga, Filomena Cocchia +7

We aim to test a method of efficiently selecting X-ray obscured AGN in the 2XMM-Newton EPIC Serendipitous Source Catalogue. By means of a strong correlation established using the X…

astro-ph2006★ 151 cited

The Kormendy relation of massive elliptical galaxies at z~1.5. Evidence for size evolution ?

M. Longhetti, P. Saracco, P. Severgnini +6

We present the morphological analysis based on HST-NIC2 (0.075 arcsec/pixel) images in the F160W filter of a sample of 9 massive field (> 10^{11} M_\odot) galaxies spectroscopicall…

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-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★ 228 cited

X-ray Spectral Survey with XMM--Newton of a Complete Sample of Nearby Seyfert Galaxies

M. Cappi, F. Panessa, L. Bassani +15

Results obtained from an X-ray spectral survey of nearby Seyfert galaxies using XMM--Newton are reported. The sample was optically selected, well defined, complete in B mag, and di…

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★ 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★ 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

X-ray properties of the "Composite" Seyfert/Star-forming galaxies

A. Wolter, G. Trinchieri, R. Della Ceca +7

An enigmatic, small class of IR and X-ray luminous sources, named ``Composite'' starburst/Seyfert galaxies, has been defined from IRAS and RASS data. The objects have optical spect…

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…