The XMM-Newton Serendipitous Survey. V. The Second XMM-Newton Serendipitous Source Catalogue (2008)
Watson, M. G., Schröder, A. C., Fyfe, D., Page, C. G., Lamer, G., Mateos, S., ...
Aims: Pointed observations with XMM-Newton provide the basis for creating catalogues of X-ray sources detected serendipitously in each field. This paper describes the creation and characteristics of...
The cosmological properties of AGN in the XMM-Newton Hard Bright Survey (2008)
Della Ceca, R., Caccianiga, A., Severgnini, P., Maccacaro, T., Brunner, H., Carrera, F. J., ...
(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 intrinsic Nh...
The XMM-Newton bright serendipitous survey: identification and optical spectral properties (2008)
Caccianiga, A., Severgnini, P., Della Ceca, R., Maccacaro, T., Cocchia, F., Barcons, X., ...
The cosmological properties of AGN in the XMM-Newton hard bright survey (2008)
Della Ceca, R., Caccianiga, A., Severgnini, P., Maccacaro, T., Brunner, H., Carrera, F. J., ...
The XMM-Newton bright serendipitous survey. Identification and optical spectral properties (2007)
Caccianiga, A., Severgnini, P., Della Ceca, R., Maccacaro, T., Cocchia, F., Barcons, X., ...
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 (identification...
Barcons, X., Carrera, F. J., Ceballos, M. T., Page, M. J., Bussons-Gordo, J., Corral, A., ...
We present the XMM-Newton Medium sensitivity Survey (XMS), including a total of 318 X-ray sources found among the serendipitous content of 25 XMM-Newton target fields. The XMS comprises four largely...
Heavily obscured AGN with BeppoSAX, INTEGRAL, SWIFT, XMM and Chandra: prospects for Simbol-X (2007)
Della Ceca, R., Severgnini, P., Caccianiga, A., Comastri, A., Gilli, R., Fiore, F., ...
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, despite their importance...
Elusive AGN in the XMM-Newton bright serendipitous survey (2007)
Caccianiga, A., Severgnini, P., Della Ceca, R., Maccacaro, T., Carrera, F. J., Page, M. J.
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 the host galaxy...
The XMM-SSC survey of hard-spectrum XMM-Newton sources 1: optically bright sources (2007)
Page, M. J., Lehmann, I., Boller, Th., Watson, M. G., Dwelly, T., Hess, S., ...
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 X-ray background....
The Kormendy relation of massive elliptical galaxies at z ~ 1.5: evidence for size evolution (2007)
Longhetti, M., Saracco, P., Severgnini, P., Della Ceca, R., Mannucci, F., Bender, R., ...
The XMM-SSC survey of hard-spectrum XMM–Newton sources – I. Optically bright sources (2007)
Page, M. J., Lehmann, I., Boller, Th., Watson, M. G., Dwelly, T., Hess, S., ...
The stellar content of the XMM-Newton Bright Serendipitous Survey (2006)
Lopez-Santiago, J., Micela, G., Sciortino, S., Favata, F., Caccianiga, A., Della Ceca, R., ...
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 young stellar...
The Kormendy relation of massive elliptical galaxies at z~1.5. Evidence for size evolution ? (2006)
Longhetti, M., Saracco, P., Severgnini, P., Della Ceca, R., Mannucci, F., Bender, R., ...
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 spectroscopically classified as...
Extremely compact massive galaxies at z~1.4 (2006)
Trujillo, I., Feulner, G., Goranova, Y., Hopp, U., Longhetti, M., Saracco, P., ...
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
An X-ray bright ERO hosting a type 2 QSO (2006)
Severgnini, P., Caccianiga, A., Braito, V., Della Ceca, R., Maccacaro, T., Akiyama, M., ...
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) extremely red objects...
The HELLAS2XMM survey: IX. Spectroscopic identification of super-EROs hosting AGNs (2006)
Maiolino, R., Mignoli, M., Pozzetti, L., Severgnini, P., Brusa, M., Vignali, C., ...
Extremely compact massive galaxies at z ~ 1.4 (2006)
Trujillo, I., Feulner, G., Goranova, Y., Hopp, U., Longhetti, M., Saracco, P., ...
The Bright Side of the Hard X-ray Sky: The XMM-Newton Bright Survey (2005)
Della Ceca, R., Caccianiga, A., Severgnini, P., Maccacaro, T., Cocchia, F., Braito, V.
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 two complementary...
The HELLAS2XMM survey. IX. Spectroscopic identification of super-EROs hosting AGNs (2005)
Maiolino, R., Mignoli, M., Pozzetti, L., Severgnini, P., Brusa, M., Vignali, C., ...
We present VLT near-IR spectroscopic observations of three X-ray sources characterized by extremely high X-ray-to-optical ratios (X/O>40), extremely red colors (6.3
Dating the stellar population in massive early-type galaxies at $z\sim$1.5 (2005)
Longhetti, M., Saracco, P., Severgnini, P., Della Ceca, R., Braito, V., Mannucci, F., ...
We present the analysis of 10 massive early-type galaxies at $z\sim1.5$. They have been identified by means of a near-IR low resolution spectroscopic follow-up of a complete sample of 36 bright (K'...
Braito, V., Maccacaro, T., Caccianiga, A., Severgnini, P., Della Ceca, R.
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_x ~ 0.66. An...
XMM-Newton spectroscopy of an X-ray selected sample of RL AGNs (2005)
Galbiati, E., Caccianiga, A., Maccacaro, T., Braito, V., Della Ceca, R., Severgnini, P., ...
Looking for obscured QSOs in the X-ray emitting ERO population (2005)
Severgnini, P., Della Ceca, R., Braito, V., Saracco, P., Longhetti, M., Bender, R., ...
The TESIS project: are type 2 QSO hidden in x-ray emitting EROs? (2005)
Severgnini, P., Della Ceca, R., Braito, V., Saracco, P., Longhetti, M., Bender, R., ...
The TESIS project: revealing massive early-type galaxies at z > 1 (2005)
Saracco, P., Longhetti, M., Severgnini, P., Della Ceca, R., Braito, V., Bender, R., ...
Dating the stellar population in massive early-type galaxies at z~ 1.5 (2005)
Longhetti, M., Saracco, P., Severgnini, P., Della Ceca, R., Braito, V., Mannucci, F., ...
The density of very massive evolved galaxies to z= 1.7 (2005)
Saracco, P., Longhetti, M., Severgnini, P., Della Ceca, R., Braito, V., Mannucci, F., ...
The density of very massive evolved galaxies to z~1.7 (2004)
Saracco, P., Longhetti, M., Severgnini, P., Della Ceca, R., Braito, V., Mannucci, F., ...
We spectroscopically identified 7 massive evolved galaxies with magnitudes 17.8
X-ray Line Emitting Objects in XMM-Newton Observations: the Tip of the Iceberg (2004)
Maccacaro, T., Braito, V., Della Ceca, R., Severgnini, P., Caccianiga, A.
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-Newton observations....
XMM-Newton spectroscopy of an X-ray selected sample of RL AGNs (2004)
Galbiati, E., Caccianiga, A., Maccacaro, T., Braito, V., Della Ceca, R., Severgnini, P., ...
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 spectral...
Looking for obscured QSOs in the X-ray emitting ERO population (2004)
Severgnini, P., Della Ceca, R., Braito, V., Saracco, P., Longhetti, M., Bender, R., ...
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 of them we have...
Exploring the X-ray Sky with the XMM-Newton Bright Serendipitous Survey (2004)
Della Ceca, R., Maccacaro, T., Caccianiga, A., Severgnini, P., Braito, V., Barcons, X., ...
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 band, respectively....
The broad-band properties of the XMM-Newton Bright Serendipitous Sources (2004)
Della Ceca, R., Maccacaro, T., Caccianiga, A., Severgnini, P., Braito, V.
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 project, we present...
The XMM-Newton and BeppoSAX view of the Ultra Luminous Infrared Galaxy MKN 231 (2004)
Braito, V., Della Ceca, R., Piconcelli, E., Severgnini, P., Bassani, L., Cappi, M., ...
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 Galaxies. By combining...
The HELLAS2XMM survey. V. Near-Infrared observations of X-ray sources with extreme X/O ratios (2004)
Mignoli, M., Pozzetti, L., Comastri, A., Brusa, M., Ciliegi, P., Cocchia, F., ...
We present the results of deep near-infrared observations of 11 hard X-ray selected sources in the Hellas2XMM survey, with faint optical magnitude (R>24) and high X-ray-to-optical flux ratio. All but...
Exploring the X-ray sky with the XMM-Newton bright serendipitous survey (2004)
Della Ceca, R., Maccacaro, T., Caccianiga, A., Severgnini, P., Braito, V., Barcons, X., ...
Exploring the X-ray sky with the XMM-Newton bright serendipitous survey (2004)
Della Ceca, R., Maccacaro, T., Caccianiga, A., Severgnini, P., Braito, V., Barcons, X., ...
Exploring the X-ray sky with the XMM Newton bright serendipitous survey (2004)
Della Ceca, R., Maccacaro, T., Caccianiga, A., Severgnini, P., Braito, V., Barcons, X., ...
First ten authors only listed.
The XMM-Newton HBS28 sample: studying the obscuration in hard X-ray selected AGNs (2003)
Caccianiga, A., Severgnini, P., Braito, V., Della Ceca, R., Maccacaro, T., Barcons, X., ...
This paper presents the analysis of a statistically complete sample of 28 serendipitous X-ray sources selected in 82 pointed XMM-Newton fields down to a count-rate of 0.002 counts s^-1(4.5-7.5 keV...
The TESIS project: revealing massive early-type galaxies at z>1 (2003)
Saracco, P., Longhetti, M., Severgnini, P., Della Ceca, R., Braito, V., Bender, R., ...
We present the preliminary results of an on-going near-IR low resolution spectroscopic follow-up of a complete sample of 30 bright (K'
The TESIS project: Are type 2 QSO hidden in X-ray emitting EROs? (2003)
Severgnini, P., Della Ceca, R., Braito, V., Saracco, P., Longhetti, M., Bender, R., ...
Here we present the results obtained from the analysis of 75 ksec of XMM-Newton observations of a sample of EROs selected from one MUNICS field (K'
The HELLAS2XMM 1dF survey: on the nature of high X-ray to optical flux ratio sources (2003)
Fiore, F., Brusa, M., Cocchia, F., Baldi, A., Carangelo, N., Ciliegi, P., ...
We present results from the photometric and spectroscopic identification of 122 X-ray sources discovered by XMM-Newton in the 2-10 keV band (the HELLAS2XMM 1dF sample). One of the most interesting...
The TNG EROs Spectroscopic Identification Survey (TESIS) (2003)
Saracco, P., Longhetti, M., Della Ceca, R., Severgnini, P., Braito, V., Bender, R., ...
We are carrying on a near-IR very low resolution spectroscopic follow-up in parallel with XMM-Newton observations of a complete sample of ~30 bright (K'
The Ultra Luminous Infrared Galaxy MKN 231: New clues from BeppoSAX and XMM-Newton (2003)
Braito, V., Della Ceca, R., Piconcelli, E., Severgnini, P., Bassani, L., Cappi, M., ...
We present BeppoSAX and XMM-Newton observations of MKN 231. These observations and in particular the BeppoSAX PDS data allowed us to unveil, for the first time, the highly absorbed (N$_H\sim...
Brusa, M., Comastri, A., Mignoli, M., Fiore, F., Ciliegi, P., Vignali, C., ...
We present extensive optical, radio and infrared follow-up observations of a sample of 35 hard X-ray (2-10 keV) selected sources discovered serendipitously in the PV XMM-Newton observation of the...
Fiore, F., Brusa, M., Cocchia, F., Baldi, A., Carangelo, N., Ciliegi, P., ...
We present results from the photometric and spectroscopic identification of 122 X-ray sources recently discovered by XMM-Newton in the 2-10 keV band (the HELLAS2XMM 1dF sample). Their flux cover the...
A Hard Medium Survey with ASCA. IV: the Radio-Loud Type 2 QSO AXJ0843+294 2 (2003)
Della Ceca, R., Braito, V., Beckmann, V., Caccianiga, A., Cagnoni, I., Gioia, I. M., ...
We discuss the X-ray, optical and radio properties of AX J0843+2942, a high luminosity Type 2 AGN found in the ASCA Hard Serendipitous Survey. The X-ray spectrum is best described by an absorbed...
An XMM-Newton hard X-ray survey of ULIRGs (2003)
Franceschini, A., Braito, V., Persic, M., Della Ceca, R., Bassani, L., Cappi, M., ...
XMM-Newton observations of 10 ULIRGs are reported. The aim is to investigate in hard X-rays a complete ULIRG sample selected from the bright IRAS 60$\mu$m catalogue. All sources are detected in...
XMM-Newton observations expose AGN in apparently normal galaxies (2003)
Severgnini, P., Caccianiga, A., Braito, V., Della Ceca, R., Maccacaro, T., Wolter, A., ...
We have performed a detailed analysis of 3 optically normal galaxies extracted from the XMM Bright Serendipitous Source Sample. Thanks to the good statistics of the XMM-Newton data, we have unveiled...
Pelosi, P, Severgnini, P, Bianchi, E, Terzi, R, Lanza, C, Minoja, G, ...
No abstract available.
Pulmonary infection in brain-injured patients (2003)
Pelosi, P, Apostolou, G, Gomiero, B, Cominotti, S, Severgnini, P, Lucchini, E, ...
No abstract available.
XMM-Newton observations reveal AGN in apparently normal galaxies (2003)
Severgnini, P., Caccianiga, A., Braito, V., Della Ceca, R., Maccacaro, T., Wolter, A., ...
XMM-Newton observations reveal AGN in apparently normal galaxies (2003)
Severgnini, P., Caccianiga, A., Braito, V., Della Ceca, R., Maccacaro, T., Wolter, A., ...
Astronomy Astrophysics manuscript no. November 18, 2002 (2002)
Galaxies Revealed, P. Saracco, M. Longhetti, P. Severgnini, R. Della Ceca, F. Mannucci, ...
We present the results of TNG near-IR low resolution spectroscopy of two (S7F5 254 and S7F5 45) sources belonging to a complete sample of 15 EROs with K'< 18 and R-K'> 5 selected from the MUNICS...
Massive z ~ 1.3 evolved galaxies revealed (2002)
Saracco, P., Longhetti, M., Severgnini, P., Della Ceca, R., Mannucci, F., Bender, R., ...
We present the results of TNG near-IR low resolution spectroscopy of two (S7F5-254 and S7F5-45) sources belonging to a complete sample of 15 EROs with K'5 selected from the MUNICS Survey. Both the...
XMM-Newton observations of ULIRGs I: A Compton-thick AGN in IRAS19254-7245 (2002)
Braito, V., Franceschini, A., Della Ceca, R., Severgnini, P ., Bassani, L., Cappi, M., ...
We present the XMM-Newton observation of the merging system IRAS 19254-7245, also known as The Superantennae, whose southern nucleus is classified as a Seyfert 2 galaxy. The XMM-Newton data have...
TESIS - The TNG EROs Spectroscopic Identification Survey (2002)
Saracco, P., Longhetti, M., Severgnini, P., Della Ceca, R., Bender, R., Drory, N., ...
A near-IR low-resolution spectroscopic follow-up of a complete sample of K1.2 and at estimating their spatial density to put constraints on the galaxy formation and evolution models. In this...
On the nature of X-ray Bright Optically Normal galaxies (2002)
Comastri, A., Brusa, M., Ciliegi, P., Mignoli, M., Fiore, F., Maiolino, R., ...
Multiwavelength observations of the hard X-ray selected sources by Chandra and XMM-Newton surveys have significantly improved our knowledge of the objects responsible of the hard X-ray background. A...
An XMM-Newton Survey of Ultra-Luminous Infrared Galaxies (2002)
Braito, V., Franceschini, A., Della Ceca, R., Bassani, L., Cappi, M., Malaguti, P., ...
We present preliminary results of XMM-Newton observations of 5 Ultra-luminous Infrared Galaxies (ULIRGs), part of a mini-survey program dedicated to 10 ULIRGs selected from the bright IRAS sample....