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Last modified: 12 October 2012

URL: http://cxc.harvard.edu/ciao/download/caldb.html

Download CALDB 4.5.3


Latest Update: 15 October 2012

CALDB 4.4.1 or higher is required for the proper operation of CIAO 4.4.

The CALDB contains all the calibration files required for Chandra data analysis. The CALDB can be downloaded, installed, and upgraded with the ciao-install script.

For more information on the CALDB, visit the CALDB website. Details on this release in particular are available from the CALDB 4.5.3 Release Notes.


CALDB 4.5.3 Full

This is the latest full installation of the CALDB. If you already have CalDB 4.4.7 or higher installed, it is only necessary to download the upgrade package.

Contents File Size
Full Release caldb_4.5.3_main.tar.gz 2.2 GB; 4.8 GB unzipped
ACIS background event files acis_bkgrnd_4.5.3.tar.gz 764 MB; 1.6 GB unzipped
HRC background event files hrc_bkgrnd_4.3.0.tar.gz 1.5 GB; 2.2 GB unzipped
ACIS PSF Library acis_psflib_4.1.0.tar 171 MB
HRC PSF Library hrc_psflib_4.1.0.tar 182 MB
README file README_caldb4.5.3.txt  
Manifest file MANIFEST_4.5.3_main.txt 78 KB

CALDB 4.5.3 Upgrade

This is a cumulative upgrade, updating CALDB versions from 4.4.7 to 4.5.3. If you do not already have at least CALDB 4.4.7 installed, you should download the full installation.

Contents File Size
Upgrade Release caldb_4.5.3_upgrade.tar.gz 1 GB; 2 GB unzipped
ACIS background event files acis_bkgrnd_4.5.3.tar.gz 764 MB; 1.6 GB unzipped
HRC background event files hrc_bkgrnd_4.3.0.tar.gz 1.5 GB; 2.2 GB unzipped
Readme file README_caldb4.5.3_upgrade.txt  
Manifest file MANIFEST_4.5.3_upgrade.txt 5.8 KB

Last modified: 12 October 2012
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