We have discovered a problem with the recently-released ACIS CTI-corrected
response file (FEF) in the CALDB (2.18 and higher).
Details can be found at
http://cxc.harvard.edu/ciao/caveats/cti.html
The thread "A Note on CTI Correction"
(http://cxc.harvard.edu/ciao/threads/cti_choices/)
describes how to deal with this issue.
Updates to other threads affected by this caveats will be posted as soon
as possible.
_____________________________________________________________________
Antonella Fruscione Harvard-Smithsonian Center for Atrophysics
afruscione@cfa.harvard.edu 60 Garden Street, MS-4
Tel:+1-617-496-7851 Cambridge, MA 02138, USA
_____________________________________________________________________
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