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19962026
most citedThe eROSITA X-ray telescope on SRG

884 citations · 6.5k across the 85 of their papers we have counts for

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astro-ph2008★ 1 cited

2XMM J100451.6+411627: A cool core cluster at z=0.82

Matthias Hoeft, Georg Lamer, Jan Kohnert +1

- Aims: Gas cooling in the centre of massive galaxy clusters is believed to feed the most powerful active galactic nuclei in the Universe. How often clusters at high redshift show…

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★ 489 cited

The XMM-Newton Serendipitous Survey. V. The Second XMM-Newton Serendipitous Source Catalogue

M. G. Watson, A. C. Schröder, D. Fyfe +47

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…

astro-ph2008★ 184 cited

The Subaru/XMM-Newton Deep Survey (SXDS): III. X-Ray Data

Yoshihiro Ueda, Michael G. Watson, Ian M. Stewart +10

We present the X-ray source catalog in the Subaru/XMM-Newton deep survey. A continuous area of 1.14 deg^2 centered at R.A. = 02h18m and Dec. = -05d is mapped by seven pointings wit…

astro-ph2008

2XMM J083026+524133: The most X-ray luminous cluster at redshift 1

G. Lamer, M. Hoeft, J. Kohnert +2

In the distant universe X-ray luminous clusters of galaxies are rare objects. Large area surveys are therefore needed to probe the high luminosity end of the cluster population at…

astro-ph2008★ 27 cited

X-ray absorption in distant type II QSOs

M. Krumpe, G. Lamer, A. Corral +7

We present the results of the X-ray spectral analysis of an XMM-Newton-selected type II QSO sample with z>0.5 and 0.5-10 keV flux of 0.3-33 x 10^{-14} erg/s/cm^2. The distribution…

astro-ph2008★ 14 cited

Indications for 3 Mpc-scale large-scale structure associated with an X-ray luminous cluster of galaxies at z=0.95

R. Fassbender, H. Boehringer, G. Lamer +5

X-ray luminous clusters of galaxies at z~1 are emerging as major cosmological probes and are fundamental tools to study the cosmic large-scale structure and environmental effects o…

astro-ph2007★ 89 cited

The XMM-Newton Serendipitous Survey V. Optical identification of the XMM-Newton Medium sensitivity Survey (XMS)

X. Barcons, F. J. Carrera, M. T. Ceballos +53

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 comp…

astro-ph2007★ 57 cited

BLOX: The Bonn Lensing, Optical, and X-ray selected galaxy clusters -- I. Cluster catalog construction

J. P. Dietrich, T. Erben, G. Lamer +4

The mass function of galaxy clusters is an important cosmological probe. Differences in the selection method could potentially lead to biases when determining the mass function. Fr…

astro-ph2007★ 4 cited

RBS1423 - a new QSO with relativistic reflection from an ionised disk

M. Krumpe, G. Lamer, A. D. Schwope +1

We present the analysis and results of a 20 ks XMM-Newton observation of RBS1423. X-ray spectral analysis is used to establish a significantly broadened relativistic iron K-alpha l…

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★ 16 cited

The XMM-Newton Survey in the Marano Field I. The X-ray data and optical follow-up

M. Krumpe, G. Lamer, A. D. Schwope +6

We report on a medium deep XMM-Newton survey of the Marano Field and optical follow-up observations. The mosaicked XMM-Newton pointings in this optical quasar survey field cover 0.…

astro-ph2006★ 31 cited

Strange magnification pattern in the large separation lens SDSS J1004+4112 from optical to X-rays

G. Lamer, A. Schwope, L. Wisotzki +1

We present simultaneous XMM-Newton UV and X-ray observations of the quadruply lensed quasar SDSS J1004+4112 (RBS 825). Simultaneously with the XMM-Newton observations we also perfo…

astro-ph2005★ 238 cited

Discovery of an X-ray-Luminous Galaxy Cluster at z=1.4

C. R. Mullis, P. Rosati, G. Lamer +4

We report the discovery of a massive, X-ray-luminous cluster of galaxies at z=1.393, the most distant X-ray-selected cluster found to date. XMMU J2235.3-2557 was serendipitously de…

astro-ph2004★ 59 cited

X-ray spectra of XMM-Newton serendipitous medium flux sources

S. Mateos, X. Barcons, F. J. Carrera +7

We report on the results of a detailed analysis of the X-ray spectral properties of a large sample of sources detected serendipitously with the XMM-Newton observatory in 25 selecte…

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-ph2003★ 46 cited

Complex X-ray spectral behaviour of NGC 4051 in the low flux state

P. Uttley, R. D. Taylor, I. M. McHardy +4

The Narrow Line Seyfert 1 galaxy NGC 4051 was observed in one of its prolonged low-lux states by XMM-Newton in November 2002. Here we present the results of an analysis of EPIC-pn…

astro-ph2003★ 1 cited

Catching NGC4051 in the low state with XMM-Newton

P. Uttley, R. D. Taylor, I. M. McHardy +4

The Narrow Line Seyfert 1 galaxy NGC4051 shows unusual low flux states, lasting several months, when the 2-10 keV X-ray spectrum becomes unusually hard (photon index<1) while the s…

astro-ph2003★ 31 cited

Catching NGC 4051 in the low state with Chandra

P. Uttley, A. Fruscione, I. McHardy +1

We report the results from a Chandra TOO observation of the low-luminosity Narrow Line Seyfert 1 galaxy NGC 4051, obtained during a 6-week duration low-flux state in 2001 February.…

astro-ph2003★ 10 cited

A serendipitous survey for galaxy clusters by the XMM-Newton Survey Science Center

A. D. Schwope, G. Lamer, D. Burke +5

We describe the initial results of a programme to detect and identify extended X-ray sources found serendipitously in XMM-Newton observations. We have analysed 186 EPIC-PN images a…

astro-ph2003★ 88 cited

An absorption event in the X-ray lightcurve of NGC 3227

G. Lamer, P. Uttley, I. M. McHardy

We have monitored the Seyfert galaxy NGC 3227 with the Rossi X-ray Timing Explorer (RXTE) since January 1999. During late 2000 and early 2001 we observed an unusual hardening of th…

astro-ph2002★ 26 cited

The XMM-Newton Serendipitous Source Catalogue

M. G. Watson, J. P. Pye, M. Denby +17

We describe the production, properties and scientific potential of the XMM-Newton catalogue of serendipitous X-ray sources. The first version of this catalogue is nearing completio…