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The BeppoSAX High Energy Large Area Survey -V. The nature of the hard X-ray source populations and its evolution
F. La Franca, F. Fiore, C. Vignali +7
We present optical spectroscopic identifications of hard X-ray (5-10 keV) selected sources belonging to the HELLAS sample obtained with BeppoSAX down to a 5-10 keV flux limit of f_…
XMM-EPIC observation of MCG-6-30-15: Direct evidence for the extraction of energy from aspinning black hole?
Joern Wilms, Christopher S. Reynolds, Mitchell C. Begelman +4
We present XMM-Newton European Photon Imaging Camera (EPIC) observations of the bright Seyfert 1 galaxy MCG-6-30-15, focusing on the broad Fe K line at ~6keV and the associated…
XMM-Newton observations of the cluster of galaxies Abell496 -Measurements of the elemental abundances in the intracluster medium-
T. Tamura, J. A. M. Bleeker, J. S. Kaastra +2
The results from XMM-Newton observations of the relaxed cluster of galaxies Abell~496 are presented. The spatially-resolved X-ray spectra taken by the European Photon Imaging Camer…
The chemical enrichment of the ICM with BeppoSAX
Sabrina De Grandi, Silvano Molendi
We review observations on the chemical enrichment of the intracluster medium (ICM) performed using BeppoSAX MECS data. The picture emerging is that non-cooling flow clusters have f…
On the metal abundance in the core of M87
Silvano Molendi, Fabio Gastaldello
We revisit the XMM-Newton observation of M87 to make a new and more detailed measurement of the metal abundance profile. After having verified that spectral fits with single temper…
The BeppoSAX view of the X-ray active nucleus of NGC4258
F. Fiore, S. Pellegrini, G. Matt +9
BeppoSAX observed NGC4258 on December 1998, when its 2-10 keV luminosity was \~1E41 erg/s. 100% variability is observed in the 3-10 keV band on timescales of a half a day while 20%…