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The Swift Satellite:
Swift is a
NASA Medium-class Explorer(MIDEX).
satellite with international partecipation, planned for a 2004 launch.
The aim of this observatory is the study of
Gamma ray burst (GRB).
On board of Swift there are
3 instruments working at different wavelenghts. I am working on the
calibration and data analysis software of the X-ray instrument
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Clusters of galaxies:
I am part of the BMW
BMW clusters project.
We have constructed a new X-ray selected sample of candidate
distant clusters of galaxies from the recently completed
BMW survey of serendipitous X-ray sources over all
ROSAT HRI archive data.
The sample includes $\sim 300$ candidates,with a significantly
large sky coverage ($ \sim 100 deg^2 at 10^{-13} erg/sec/cm^2$ )
down to a flux limit of$ 3 \times 10^{-14} erg/sec/cm^2$.
These features make it an ideal data set for finding rare,
massive clusters at $z \sim 0.6-1$.
I actively partecipate to the optical/ir follow up
but my speciality is the analysis and simulations of X--Ray data.
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X--Ray background:
we have been the first in analyzing 1 Msec data of the CDFS (Canpana et
al. 2001) and we published the deepest logN-logS distribution ever
published todate (Moretti et al. 2002) !!!
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