Calibration Access and Data Handbook
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- PSFmap: two-dimensional array containing the selected part of the PSF
at the requested azimuth and field angle. The PSF map is sampled with either
EPIC MOS (0.040 mm) or EPIC pn (0.140 mm) pixel size. The PSF map cover a
field of view of (Y-EXTENT x Y-PIXSZ, Z-EXTENT x Z-PIXSZ) i.e initially
10.24 x 10.24 mm or 4.7 by 4.7 arcmin (256 x 256 EPIC MOS pixels or 73
by 73 EPIC pn pixels). The integral of the PSFmap is normalized to 1.
The undersampling of the PSF by the pn pixels is taken into account by
retrieving the EPIC pn alignment parameters vs the telescope.