Chandra Announcement: CalDB version 4.9.7 released

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Tara Gokas

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Mar 24, 2022, 11:55:03 AMMar 24
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Chandra CalDB version 4.9.7 released to the public

The CXC announces the public release of Chandra CalDB version 4.9.7. This upgrade includes the following items:

* ACIS T_GAIN updates affecting recent OBS_IDs (since 2021-05-02T12:00:00).
* ACIS focal plane temperature (FP_TEMP) boundary condition upper and lower limit changes

For details, please see the CalDB 4.9.7 Release Notes located at:
https://cxc.cfa.harvard.edu/caldb/downloads/Release_notes/CALDB_v4.9.7.html

See also "How CalDB 4.9.7 Affects Your Analysis" at
https://cxc.cfa.harvard.edu/ciao/releasenotes/ciao_4.14_release.html#HowCALDB4.9.7AffectsYourAnalysis

To download and install CalDB 4.9.7 on you system with CIAO 4.14, using the preferred Conda package, see the following link:

Alternatively, to use the ciao-install script to install or upgrade your CIAO 4.14 CalDB to version 4.9.7, please see the following link:

Manual download and installation instructions are also available at http://cxc.harvard.edu/caldb/downloads/

Users who do not wish to download the full CalDB, but would rather access it via the web for their specific observations only, may use the CIAO contributed script "download_obsid_caldb". Note that the web-accessible CalDB may take a day or two to be upgraded to this latest CalDB release.

As always, please send questions and requests for enhancements to the CXC HelpDesk (http://cxc.harvard.edu/helpdesk/).

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