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Last modified: 22 March 2023


Download CALDB 4.10.4

Latest Update: 17 March 2023

Installation notes

This page is only needed for manual installs, since the ciao-install script can be used to upgrade CALDB or add new packages (the ACIS and HRC background files).

CIAO 4.12 is required for the use of CALDB 4.9.0 or later. Users of earlier versions of CIAO may use CALDB 4.8.5 or earlier.

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 4.10.4 Release Notes.

CALDB 4.10.4 Full

This is the latest full installation of the CALDB. If you already have CalDB 4.9.4 or higher installed, it is only necessary to download the upgrade package.

Contents File Size md5sum
Full Release caldb_4.10.4_main.tar.gz 2.06 GB; 6.32 GB unzipped 118371d264dd94d647a2023cde798df9
ACIS background event files acis_bkgrnd_4.9.7.tar.gz 1.29 GB; 2.87 GB unzipped 73d8c90c772e3cba34244c0fd3a2d50a
HRC background event files hrc_bkgrnd_4.7.7.tar.gz 2.16 GB; 3.17 GB unzipped 3c9b4e5d6966929793d726b12ae4a4b2
README file README_4.10.4_main.txt  
Manifest file MANIFEST_4.10.4_main.txt 135 KB

CALDB 4.10.4 Upgrade

This is a cumulative upgrade, updating CALDB versions from 4.9.4 to 4.10.4. If you do not already have at least CALDB 4.9.4 or higher installed, you should download the full installation.

Contents File Size md5sum
Upgrade Release caldb_4.10.4_upgrade.tar.gz 682 MB; 3.25 GB unzipped 0b20f373cc6838cb6e0d1b9aeb1692fb
Readme file README_4.10.4_upgrade.txt  
Manifest file MANIFEST_4.10.4_upgrade.txt 20 KB