The following is a list of documents that have been added to or
updated on the software webpages:
CIAO website - http://cxc.harvard.edu/ciao/
Sherpa website - http://cxc.harvard.edu/sherpa/
Please do not reply to this email; send questions and comments on the
documentation to the CXC HELPDESK (http://cxc.harvard.edu/helpdesk/).
~Liz Galle, for the CIAO Doc Team
--Summary of Changes--
1 new thread has been added:
Title: Using Parameter Files
Date: 29 Sep 2003
URL: http://cxc.harvard.edu/ciao/threads/param_files/
History: This thread expands upon the basic overview of using
parameter files. Beginners will get a good introduction
to setting and displaying parameters, while advanced users
may learn new ways to reduce the amount of typing required
when running a tool. There are tips and caveats included
for everyone's benefit.
5 threads have been updated:
Title: Introduction to CIAO
Date: 29 Sep 2003
URL: http://cxc.harvard.edu/ciao/threads/ciao_intro/
History: some of the parameter file information has been moved
to the Using Parameter Files thread
Title: Filtering Lightcurves
Date: 15 Sep 2003
URL: http://cxc.harvard.edu/ciao/threads/filter_ltcrv/
History: noted in "Read this thread if" that this method is not
appropriate if you intend to use the ACIS blank-sky
background files
Title: HRC AMP_SF Correction and Reducing Tap-Ringing Distortions
Date: 24 Sep 2003
URL: http://cxc.harvard.edu/ciao/threads/hrc_ampsf/
History: Calibration Update for DS 7.0. If your data was processed
with ASCDSVER DS 7.0 or higher, do not run this thread, as a
more accurate tap-ringing correction has already been applied.
Title: Obtain Grating Spectra from LETG/HRC-S Data
Date: 15 Sep 2003
URL: http://cxc.harvard.edu/ciao/threads/spectra_letghrcs/
History: update to the bug referenced in the Background filtering
section. There is a bug in CIAO 3.0.1 that affects this
filtering step, which is different than the bug that existed
in CIAO 3.0; make sure to read the DM Grating Filtering bug
report.
Title: Obtain Grating Spectra for Multiple Sources - HRC
Date: 15 Sep 2003
URL: http://cxc.harvard.edu/ciao/threads/spectra_multi_hrc/
History: update to the bug referenced in the Background filtering
section. There is a bug in CIAO 3.0.1 that affects this
filtering step, which is different than the bug that existed
in CIAO 3.0; make sure to read the DM Grating Filtering bug
report.
The bug referenced in the two HRC-S grating threads may be found online
at http://cxc.harvard.edu/ciao/bugs/dm.html#tg_filter
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