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We analyze four XMM-Newton galaxy clusters in order to test whether their soft X-ray excess emission in the 0.2-0.5 keV band as reported by Kaastra et al. (2003) maintains after the application of the current knowledge of the XMM-Newton…

Astrophysics · Physics 2008-11-26 J. Nevalainen , M. Bonamente , J. Kaastra

The low background, good spatial resolution and great sensitivity of the EPIC-pn camera on XMM-Newton give useful limits for the detection of extended sources even during the short exposures made during slewing maneouvers. In this paper we…

Astrophysics · Physics 2007-05-23 V. Lazaro , R. Saxton , A. M. Read , M. P. Esquej , M. J. Freyberg , B. Altieri , D. Bermejo

Procedures based on current methods to detect sources in X-ray images are applied to simulated XMM images. All significant instrumental effects are taken into account, and two kinds of sources are considered -- unresolved sources…

Astrophysics · Physics 2009-11-06 I. Valtchanov , M. Pierre , R. Gastaud

We describe in detail the nature of XMM-Newton EPIC background and its various complex components, summarising the new findings of the XMM-Newton EPIC background working group, and provide XMM-Newton background blank sky event files for use…

Astrophysics · Physics 2009-11-13 J. A. Carter , A. M. Read

We have investigated the X-ray spectral properties of a sample of 138 X-ray sources detected serendipitously in $XMM-Newton$ observations of the Galactic plane, at an intermediate to faint flux level. We divide our sample into 5 subgroups…

High Energy Astrophysical Phenomena · Physics 2015-06-18 R. S. Warwick , K. Byckling , D. Pérez-Ramírez

Aims: We present a uniform catalog of the images and radial profiles of the temperature, abundance, and brightness for 70 clusters of galaxies observed by XMM-Newton. Methods: We use a new "first principles" approach to the modeling and…

Astrophysics · Physics 2009-11-13 S. L. Snowden , R. M. Mushotzky , K. D. Kuntz , D. S. Davis

We present results on the spectroscopic analysis of XMM-Newton EPIC data of the central 0.5/h_50 Mpc regions of the clusters of galaxies Coma, A1795 and A3112. The temperature of the hot intracluster gas as determined by modeling the 2 - 7…

Astrophysics · Physics 2009-11-07 J. Nevalainen , R. Lieu , M. Bonamente , D. Lumb

The EPIC detectors on XMM-Newton provide the most sensitive broad band (0.3-12 keV) X-ray spectra to date. Observations of 6 Seyfert 1 galaxies, covering a wide luminosity range, are examined with the aim of identifying the primary X-ray…

Astrophysics · Physics 2007-05-23 Ken Pounds , James Reeves

We present a sample of eight extended X-ray sources detected in the wide-field (~2.3 deg^2), bright (2-10 ksec) XMM-Newton/2dF survey, reaching a flux limit of ~2 X 10^{-14} erg/s/cm^2. Of these, seven are identified as secure X-ray…

Astrophysics · Physics 2010-03-19 T. Gaga , M. Plionis , S. Basilakos , I. Georgantopoulos , A. Georgakakis

We report on the production of a large area, shallow, sky survey, from XMM-Newton slews. The great collecting area of the mirrors coupled with the high quantum efficiency of the EPIC detectors have made XMM-Newton the most sensitive X-ray…

Astrophysics · Physics 2009-11-13 R. D. Saxton , A. M. Read , P. Esquej , M. J. Freyberg , B. Altieri , D. Bermejo

Small angular scale structure of the soft X-ray background correlated with the galaxy distribution is investigated. An extensive data sample from the ROSAT and XMM-Newton archives are used. Excess emission below 1 keV extending up to at…

Astrophysics · Physics 2007-05-23 A. M. Soltan , M. J. Freyberg , G. Hasinger

Photometric observations of galaxies at submillimetre to millimetre wavelengths (50 - 1000 GHz) are susceptible to spatial variations in both the background CMB temperature and CIB emission that can be comparable to the flux from the target…

Astrophysics of Galaxies · Physics 2015-06-22 Simone Ferraro , Brandon Hensley

An alternative scheme is described to estimate the layer 1 LAXPC 20 background for faint sources where the source contribution to the 50-80 keV count rate is less than 0.25 counts/sec (15 milli-crabs or $6 \times 10^{-11}$ ergs/s/cm$^2$).…

Instrumentation and Methods for Astrophysics · Physics 2021-07-07 Ranjeev Misra , Jayashree Roy , J. S. Yadav

XMM-Newton background maps for the 3 EPIC instruments in their different instrument/mode/filter combinations and in several energy bands have been constructed using a superposition of many pointed observations. Event datasets for the…

Astrophysics · Physics 2007-05-23 A. M. Read

We present preliminary results from a XMM-Newton spectroscopic survey of hard (2 -10 keV) X-ray sources detected serendipitously in seven EPIC FOVs. All observations were performed during the performance/verif ication phase. The resulting…

Astrophysics · Physics 2007-05-23 E. Piconcelli , L. Bassani , M. Cappi , F. Fiore , G. Di Cocco , M. Trifoglio

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 energy bands (0.5-4.5 keV and 4.5-7.5…

Astrophysics · Physics 2007-05-23 R. Della Ceca , A. Caccianiga , P. Severgnini , T. Maccacaro , F. Cocchia , V. Braito

Low energy protons (<100-300 keV) in the Van Allen belt and the outer regions can enter the field of view of X-ray focusing telescopes, interact with the Wolter-I optics, and reach the focal plane. The use of special filters protects the…

Instrumentation and Methods for Astrophysics · Physics 2016-07-20 Valentina Fioretti , Andrea Bulgarelli , Giuseppe Malaguti , Daniele Spiga , Andrea Tiengo

We undertake a spectral study of a sample of bright X-ray sources taken from six XMM-Newton fields at high galactic latitudes, where AGN are the most populous class. These six fields were chosen such that the observation had an exposure…

High Energy Astrophysical Phenomena · Physics 2015-05-30 M. A. Hassan , B. A. Korany , R. Misra , I. A. M. Issa , M. K. Ahmed , F. A. Abdel-Salam

XMM-Newton background maps for the 3 EPIC instruments in their different instrument/mode/filter combinations and in several energy bands have been constructed using a superposition of 72 pointed observations. Event datasets, with point…

Astrophysics · Physics 2009-11-07 Andrew M. Read , Trevor J. Ponman

We investigate the levels of small scale structure in surface brightness images of the core of the X-ray bright cool-core galaxy cluster AWM 7. After subtraction of a model of the smooth cluster emission, we find a number of approximately…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 J. S. Sanders , A. C. Fabian