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Matching CIAO and CALDB VersionsCALDB 3.4.5 should not be used unless you are running CIAO 3.4 or CIAO 4.0. Are your versions mismatched? Time to update CIAO and CALDB!
23 Jun 2008 31 Mar 2008 CalDB 3.4.3, an upgrade to CalDB 3.3.0 or later versions, which introduces ACIS -110C "Epoch 0" T_GAINs for ACIS-S1 and -S3, and ACIS -120C EPOCH 32 (Nov 07 - Jan 08) T_GAIN updates, has been released to the public. See the CalDB 3.4.3 release notes for more information on this upgrade.14 Dec 2007 CalDB 3.4.2, an upgrade to CalDB 3.3.0 or later versions, which updates ACIS T_GAINs for Aug - Oct 2007, has been released to the public. See the CalDB 3.4.2 release notes for more information on this upgrade.14 Sep 2007 CalDB 3.4.1, an upgrade to CalDB 3.3.0 or later versions, which introduces new and finalized ACIS blank sky, T_GAIN, and HRC-I DEGAP files, has been released to the public. See the CalDB 3.4.1 release notes for more information on this upgrade.16 May 2007 CalDB 3.4.0, an upgrade to CalDB 3.3.0/3.3.0.1, which introduces new ACIS T_GAIN, grating mask files, as well as upgrades to HRC-I GMAPS and HRC-S QE, has been released to the public. See the CalDB 3.4.0 release notes for more information on this upgrade. |
Calibration DataThe raw calibration data from which the CALDB files are built is accessible from the Chandra Instruments and Calibration page. It is generally not recommended that you use this data for analysis, but it may be useful to know the scientific basis of the original calibration. The "Calibration to CALDB File" pages - listed below - can also be used to trace the CALDB data from its source. Due to the size of the tables, there is a separate page for each instrument: |
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The Chandra X-Ray
Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory. 60 Garden Street, Cambridge, MA 02138 USA. Email: cxcweb@head.cfa.harvard.edu Smithsonian Institution, Copyright © 1998-2004. All rights reserved. |
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