Hello,
Here is a list of the threads that have been added or updated to the CIAO
Threads page, located at http://cxc.harvard.edu/ciao/threads/ .
Many of these changes were made to coincide with the DS 6.12 release, which
updated the version of software used in standard data processing (SDP, aka
"the pipelines"). The SDP release notes are available online:
http://cxc.harvard.edu/proc_stat/rel_notes/ .
Please do not reply to this email; send questions and comments on the threads
to the CXC HELPDESK (http://cxc.harvard.edu/helpdesk/).
~Liz Galle, for the CIAO Docs Team
--Summary of Changes--
Two thread updates are unrelated to the DS release:
Title: Simulating 1-D Data: The Sherpa FAKEIT Command
Date: 06 March 2003
URL: http://cxc.harvard.edu/ciao/threads/sherpa_fakeit/
History: updated Writing The Simulated Data so that the PHA
file has columns of channels and counts; added bug
information to introduction; tarfile updated
accordingly.
Title: Fitting Spectral Data: Using A Pileup Model
Date: 05 March 2003
URL: http://cxc.harvard.edu/ciao/threads/sherpa_pileup/
History: removed example of MONTE-CARLO/POWELL combination
(recommend use of MONTE-POWELL alone when fitting);
added explanation of alpha parameter; Examining the
Pileup Fraction section created; tarfile updated
The rest of these documents were changed in conjunction with the DS 6.12
software release:
Title: Apply the ACIS CTI Correction
Date: 6 March 2003
URL: http://cxc.harvard.edu/ciao/threads/acisapplycti/
History: updated for DS 6.12 (CTI correction is part of SDP);
see Get Started for details
Title: Analysis Guide: ACIS Data Preparation
Date: 6 March 2003
URL: http://cxc.harvard.edu/ciao/guides/acis_data.html
History: added check to see which ASCDSVER was used in processing data
Title: Caveat: All Pipeline-Processed ACIS Data
Date: 6 March 2003
URL: http://cxc.harvard.edu/ciao/caveats/acis_caveats_030306.html
History: several changes made to coincide with DS 6.12 release
The only change to the following threads was to mention that the CTI
correction is now part of SDP:
Title: Clean ACIS Background in VFAINT Mode
Date: 6 March 2003
URL: http://cxc.harvard.edu/ciao/threads/aciscleanvf/
Title: Apply an ACIS Gain Map
Date: 6 March 2003
URL: http://cxc.harvard.edu/ciao/threads/acisgainmap/
Title: Apply/Remove ACIS PHA Randomization
Date: 6 March 2003
URL: http://cxc.harvard.edu/ciao/threads/acispharand/
Title: Remove ACIS Pixel Randomization
Date: 6 March 2003
URL: http://cxc.harvard.edu/ciao/threads/acispixrand/
Title: Running acis_process_events on Level=2 Event Files
Date: 6 March 2003
URL: http://cxc.harvard.edu/ciao/threads/ape_evt2_file/
Title: Create a New Level=2 Event File
Date: 6 March 2003
URL: http://cxc.harvard.edu/ciao/threads/createL2/
Title: A Note on CTI Correction
Date: 6 March 2003
URL: http://cxc.harvard.edu/ciao/threads/cti_choices/
Title: Use the New geom.par File
Date: 6 March 2003
URL: http://cxc.harvard.edu/ciao/threads/geom_par/
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