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XMM­Newton CCF Release Note
XMM­CCF­REL­64
EPIC MOS ASTROMETRY
D Lumb
February 19, 2001
1 CCF components
Name of CCF VALDATE List of Blocks
changed
CAL VERSION XSCS flag
EMOS1 LINCOORD 0015 2000­01­01T00:00:00 FOV NO
EMOS2 LINCOORD 0015 2000­01­01T00:00:00 FOV NO
2 Changes
It was noted by colleagues in SACLAY that some bad columns were represented in the FOV extension
rather than the badpix file. The whole sets was re­cast, using the compilation of diffuse X­ray data
sets to ``self­define'' the location of filterwheel edges and shadows cast from one CCD onto another
(see figures). Minor typographical change also in the generation script to account for changes in
deceit functionality with string expressions
3 Scientific Impact of this Update
Necessary for correct implementation
1

XMM­Newton CCF Release XMM­CCF­REL­64 Page: 2
Figure 1: MOS 1 Camera ­detX/detY co­ordinates image of summed diffuse X­ray sources
4 Estimated Scientific Quality
5 Expected Updates
LINCOORD may be updated with better knwoledge of outer MOS CCD positions
6 Acknowledgements

XMM­Newton CCF Release XMM­CCF­REL­64 Page: 3
Figure 2: MOS 2 Camera ­detX/detY co­ordinates image of summed diffuse X­ray sources

XMM­Newton CCF Release XMM­CCF­REL­64 Page: 4
­40
­20
0
20
40
x
[mm]
­40
­20
0
20
40
y
[mm]
Positions
of
CCDs
in
EMOS1
1
X
Y
2
X
Y
3
X
Y
4
X
Y
5
X
Y
6
X
Y 7
X
Y
Figure 3: MOS 1 Camera ­ output of calview visualisation of the field of view co­ordiantes