What's new - CALDB 2

Introduction: Header Keywords; Directory Structure; Indexing System; Versioning
Download the CALDB: Download Version 3.4.3; Release Notes
Caveats for the Chandra CALDB: ACIS N0005 Responses Suite Caveat
Querying the CALDB
Calibration Data
Proposal Planning
References
CXC Links: CIAO (Data Analysis)
Site Map

Analysis Notes

Matching CIAO and CALDB Versions

CALDB 3.4.3 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!

News

31 Mar 2008 [New]

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.

What's New for the CALDB

Date

Item

31 Mar 2008

14 Dec 2007

CalDB 3.4.2, an upgrade to CalDB 3.3.0 or later versions, which includes new ACIS T_GAIN files, has been released to the public. See the CalDB 3.4.2 release notes for more information on this upgrade.

14 Sep 2007

16 May 2007

CalDB 3.4.0, an upgrade to CalDB 3.3.0/3.3.0.1, which introduces new ACIS blank sky, 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 patch.

02 Feb 2007

The CalDB 3.3.0.1 patch, to correct an error in the ACIS branch index files relevant to users of mkrmf and the -120C CTI-corrected FEF_PHA file, was released to the public. See the CalDB 3.3.0.1 release notes for more information on this correction.

18 Dec 2006

CalDB 3.3.0 was released to the public. See the CalDB 3.3.0 release notes for more information on the newly-released calibration data.

15 Dec 2006

Cycle 09 Proposal Planning calibration files (ARFs, RMFs, and PIMMS Effective Area Viewer FITS files) have been released, simultaneously with CalDB 3.3.0. Tar balls containing the ACIS Imaging and Grating ARFs and RMFs may also be downloaded for proposal planning purposes.

07 Nov 2006

CalDB 3.2.4 was released to the public. See the CalDB 3.2.4 release notes for more information on the newly-released calibration data.

10 Aug 2006

CalDB 3.2.3 was released to the public. See the CalDB 3.2.3 release notes for more information on the newly-released calibration data.

15 May 2006

CalDB 3.2.2 was released to the public. See the CalDB 3.2.2 release notes for more information on the newly-released calibration data.

15 Dec 2005

CalDB 3.2.1 has been released to the public. See the CalDB 3.2.1 release notes for more information on the newly-released calibration data.

21 November 2005

CalDB 3.2.0 has been released to the public. See the CalDB 3.2.0 release notes for more information on the newly-released calibration data.

21 November 2005

CIAO 3.3 has been released to the public. This is a full release of the CIAO software, which includes several new and very useful tools. See the Release Notes for CIAO 3.3.

21 November 2005

See the CAVEAT for certain cautions when interpreting low-energy gain shifts (with respect to the chip edges) seen near the centers of most ACIS front-illuminated chips.

23 June 2005

CalDB 3.1.0 has been released to the public. See the CalDB 3.1.0 release notes for more information on the newly-released calibration data.

23 June 2005

Updates to mkacisrmf: Users are encouraged to upgrade to CIAO 3.2.2.

10 February 2005

Why topics New HRC-S QE and QE Uniformity and PIXLIB GEOM V5 are now available.

15 December 2004

Why topics ACIS QE Degradation and Creating ACIS RMFs in CIAO 3.2 are now available.

13 September 2004

The QEU Comparison why topic compares analysis results using two versions of the ACIS QEU file. The newer file (version 2) was released in CALDB v2.28.

7 July 2004

The CALDB webpages have been redesigned!