eventfile1.fits: events file for source detected in the center of the FoV
image1.fits: image file for source detected in the center of the FoV
lc1.fits: light curve for source detected in the center of the FoV
spec1.fits: source spectrum for source detected in the center of the FoV
bkgspec1.fits: background spectrum for source detected in the center of the FoV
arf1.fits: ancillary file for source detected in the center of the FoV
rmf.fits: response file 

eventfile2.fits: events file for source detected in the midway of the FoV
image2.fits: image file for source detected in the midway of the FoV
lc2.fits: light curve for source detected in the midway of the FoV
spec2.fits: source spectrum for source detected in the midway of the FoV
bkgspec2.fits: background spectrum for source detected in the midway of the FoV
arf2.fits: ancillary file  for source detected in the midway of the FoV

eventfile3.fits: events file for source detected in the corner of the FoV
image3.fits: image file for source detected in the corner of the FoV
lc3.fits: light curve for source detected in the corner of the FoV
spec3.fits: source spectrum for source detected in the corner of the FoV
bkgspec3.fits: background spectrum for source detected in the corner of the FoV
arf3.fits: ancillary file for source detected in the corner of the FoV