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Variable X-ray Absorption in the Seyfert 2 Galaxy Mrk 348
David A. Smith, Ioannis Georgantopoulos, Robert S. Warwick
We present RXTE monitoring observations of the Seyfert 2 galaxy Mrk 348 spanning a 6 month period. The time-averaged spectrum in the 3-20 keV band shows many features characteristi…
The XMM-Newton Serendipitous Survey I. The role of XMM-Newton Survey Science Centre
M. G. Watson
This paper describes the performance of XMM-Newton for serendipitous surveys and summarises the scope and potential of the XMM-Newton Serendipitous Survey. The role of the Survey S…
XMM-Newton observation of the Lockman Hole; I. The X-ray Data
G. Hasinger, B. Altieri, M. Arnaud +25
We report on the first deep X-ray survey with the XMM-Newton observatory during the performance verification phase. The field of the Lockman Hole, one of the best studied sky areas…
The Extended X-ray Halo of the Crab-like SNR G21.5-0.9
R. S. Warwick, J-P. Bernard, F. Bocchino +12
Recent XMM-Newton observations reveal an extended (150") low-surface brightness X-ray halo in the supernova remnant G21.5-0.9. The near circular symmetry, the lack of any limb brig…
A ROSAT HRI survey of bright nearby galaxies
T. P. Roberts, R. S. Warwick
We use the extensive public archive of ROSAT High Resolution Imager (HRI) observations to carry out a statistical investigation of the X-ray properties of nearby galaxies. Specific…