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Spectral Energy Distributions of 3C 279 revisited: BeppoSAX observations and variability models
L. Ballo, L. Maraschi, F. Tavecchio +9
We present the BeppoSAX observations of 3C 279 performed in 1997 January 13-23 simultaneously with gamma-ray pointings with EGRET on board CGRO and optical observations at the Tori…
Hard X-ray properties of blazars
D. Donato, G. Ghisellini, G. Tagliaferri +1
We have considered all blazars observed in the X-ray band and for which the slope of the X-ray spectrum is available. We have collected 421 spectra of 268 blazars, including 12 arc…
The BMW X-ray Cluster Survey
Alberto Moretti, Luigi Guzzo, Sergio Campana +7
We describe the main features of the BMW survey of serendipitous X-ray clusters, based on the still unexploited ROSAT-HRI archival observations. The sky coverage, surface density a…
BMW: a ROSAT-HRI source catalogue obtained with a wavelet transform detection algorithm
M. R. Panzera, S. Campana, S. Covino +6
In collaboration with the Observatories of Palermo and Rome and the SAX-SDC we are constructing a multi-site interactive archive system featuring specific analysis tools. In this c…