Astronomy and Astrophysics – Astrophysics
Scientific paper
1998-02-05
Astronomy and Astrophysics
Astrophysics
4 pages, including 4 Postscript figures. To appear in the proceedings of the ``Active X-ray Sky: Results from BeppoSAX and Ros
Scientific paper
10.1016/S0920-5632(98)00298-9
Ground and in flight calibrations of the MECS experiment on board Beppo-SAX have demonstrated that this is currently the best X-ray imaging experiment above 3 keV. The MECS on-axis PSF has a half power radius of about 1 arcmin. Moreover due to a fortunate combination of detector and mirror PSFs the total PSF depends only weakly on the energy. Finally the degradation of the PSF with off axis angle is negligible within an off-axis angle of 10 arcminutes. Encouraged by these results we developed techniques to analyze galaxy clusters observed with Beppo-SAX. In this proceeding we quantify spectral distortions introduced by the energy dependent PSF when performing spatially resolved spectroscopy of the core of the Virgo cluster.
D'Acri F.
de Grandi Sabrina
Molendi Silvano
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