Subject: Crab peaksizes vs. offaxis

Dear Stéphane,

Now the 'mass-production' with j_ima_src_locator works.
[I need to submit an SPR since there is an incorrect matching
 of images and significance maps when an index table is used
 as input; this functionality has consequently been erased from
 the Analysis User Manual.]

In order to analyze how well the NCOR correction works the
fitted peaksizes of all Crab observations since revolution 170
have been plotted as a function of (approximate) off-axis angle
in 4 different energy bands
   black    3-6 keV
   red      6-10 keV
   green    10-15 keV
   blue     15-25 keV

I don't know how far you are in your mosaic_spec analysis but these
results suggest that for JMX1 the correction should be increased
at the edge of the FOV. For JMX2 the dropping is not so pronounced
but still present.

Some points fall below the general trend. I have to check whether
there are additional ScWs that must be removed e.g. low HV ones etc.

Regards

Niels Jørgen
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Niels J. Westergaard
Danish National Space Center
Juliane Maries Vej 30, DK 2100 Copenhagen O
Phone: +45 35325705; FAX:  +45 35362475