Hello chandra-users,
The CIAO team is pleased to announce the 04 April 2011 release of the
CIAO contributed science tarfile. The new tarfile may be download via
ciao-install (http://cxc.harvard.edu/ciao/download/) or from the CIAO
Contributed Scripts Page (http://cxc.harvard.edu/ciao/download/scripts/).
The changes in this release are:
o) chandra_repro
http://cxc.harvard.edu/ciao/ahelp/chandra_repro.html
* workaround added for the "Incorrect GTIs when time-filtering
grating data with dmcopy opt=all" bug. The GTIs are calculated correctly
for grating data with this workaround.
* bug fix: EDSER sub-pixel algorithm cannot be applied to
continuous-clocking mode data; the script uses pix_adj=none in this case.
* script prints the version number when verbosity is greater than 0.
o) check_ciao_version
http://cxc.harvard.edu/ciao/ahelp/check_ciao_version.html
* NEW! Check that your CIAO and CALDB installations are up to date.
o) combine_spectra
http://cxc.harvard.edu/ciao/ahelp/combine_spectra.html
* temporary files are written to the 'outroot' directory (instead
of the working directory) before being moved to /tmp.
* script prints the version number when verbosity is greater than 0.
o) specextract
http://cxc.harvard.edu/ciao/ahelp/specextract.html
* new parameter, bkgresp, to determine whether a background ARF and
RMF should be created. Set to "no" to create just a background spectrum
(e.g. if the background will be subtracted in analysis).
* the user is prompted for the bkgfile parameter (previously it was
hidden).
* if the input regions are not in physical coordinates, the tool
dmmakereg is run to convert them for input to arfcorr. This only applies
when the parameters "correct=yes" and "weight=no".
* an ObsID header keyword is no longer required in the background
file. This resolves problems when using the blank-sky background files,
for instance. (The ObsID keyword is required in the source and aspect
solution file input only when stacks of each are entered and must be
matched.)
* if the input file does not have a TDET column, the ARF file is
created with binwmap="det=8" instead of "tdet=8".
* aspect files are matched to the source and background files by
time intervals, not ObsID.
* script prints the version number when verbosity is greater than 0.
o) acis_bkgrnd_lookup, acis_fef_lookup, get_sky_limits, & hrc_bkgrnd_lookup
* script prints the version number when verbosity is greater than 0.
Elizabeth Galle
for the CIAO team
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