The CIAO team is pleased to announce the November release of the
CIAO contributed science tarfile. The changes in this release are
o) SherpaCL
Initial release of the experimental sherpacl application that allows
users to use CIAO 3.4 syntax for Sherpa and ChIPS commands in CIAO 4.
The language that can be used is currently limited. Refer to "ahelp
sherpacl" and the sherpa website
(http://cxc.harvard.edu/sherpa/sherpacl/) for more information and usage
examples.
We welcome user feedback on this project via the CXC HelpDesk
(http://cxc.harvard.edu/helpdesk/).
o) New deflare script
The deflare script allows users to create a GTI filter from a background
lightcurve using either the lc_clean or lc_sigma_clip methods directly
from the UNIX prompt, without having to start up ChIPS or Sherpa.
o) Improvements to lc_clean and lc_sigma_clip
Both routines have been updated to better handle data with "extreme"
lightcurves: either by erroring out or being able to create GTI files
which contain a large number of time intervals.
The screen output (when verbose is set) has been modified to provide
more information on the length of each interval.
The CIAO Contributed science tarfile contains analysis scripts and
modules that extend the functionality of CIAO. The contributed scripts
are written and maintained by local CIAO users at the CXC. More
information on each of the scripts is available from the CIAO 4.1
Contributed Scripts Page
(http://cxc.harvard.edu/ciao/download/scripts/). Check that page for
announcements about new scripts and updates to existing ones.
Elizabeth Galle
for the CIAO team
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