CALDB 4.8.5 should not be used unless you are running CIAO 4.5
or later versions.
07 Nov 2019 ![[New]](../imgs/new.gif)
CalDB 4.8.5,
an upgrade to CalDB 4.8.2 and later versions, has been released. Included is
ACIS Contamination Model version N0013, with improved fitting results for ACIS modeling for observations taken
since 2018.
See the
CalDB 4.8.5 Release Notes
for details.
13 Sep 2019
CalDB 4.8.4.1,
an upgrade to CalDB 4.8.2 and later versions, has been released. Included items are
EMERGENCY CORRECTIONS to ACIS T_GAIN bi-epochal periods 75+76 and 77+78, which
affect ACIS data sets including chips ACIS-0, 1, 2, 3, or 6 for data sets with DATE-OBS
later than 2018-05-02T12:00:00. For the way to determine if your data have been affected,
see the
CalDB 4.8.4.1 Release Notes.
03 Sep 2019
CalDB 4.8.4,
an upgrade to CalDB 4.8.2 and later versions, has been released. Included items are
ACIS T_GAIN Epochs 77 + 78 (effective 01 Feb 2019 through 31 Jul 2019),
HRC-S Version N0012 time-dependent QEU upgrade files,
and HRC-I/S SAMP-based RMF files version N0002.
See the
CalDB 4.8.4 Release Notes
for details.
23 May 2019
CalDB 4.8.3,
an upgrade to CalDB 4.8.2 and later versions, has been released. Included items are
ACIS T_GAIN Epochs 75 + 76 (effective 01 Aug 2018 through 31 Jan 2019), and
HRC-S Version N0011 time-dependent QEU upgrade files.
See the
CalDB 4.8.3 Release Notes
for details.
13 Dec 2018
CalDB 4.8.2,
an upgrade to CalDB 4.8.2 and later versions, has been released. Included items are
HRC-I 2018 GMAP (sampgain) upgrade with associated PIBGSPEC (background spectrum), and
HRC-S Version N0010 time-dependent QEU upgrade files.
See the
CalDB 4.8.2 Release Notes
for details.
13 Dec 2018
Chandra CfP Cycle 21 proposal planning support data and information have been released, including
PIMMS Effective Areas, and model ARFs and RMFs for ACIS Imaging and GRATINGs proposal planning purposes.
See the
Calibration Proposal Planning web pages
for information and access to downloadable files.
25 Oct 2018
CalDB 4.8.1,
an upgrade to CalDB 4.7.3 and later versions, has been released. Included items are
ACIS Contamination (CONTAM) file version N0012, with an upgrade to the ACIS-S model.
See the
CalDB 4.8.1 Release Notes
for details.
11 Sep 2018
CalDB 4.8.0,
an upgrade to CalDB 4.8.2 and later versions, has been released. Included items are
ACIS time-dependent gain correction updates for Epochs 73 & 74 (01 Feb through 31 July 2018)
and finalization of the Epochs 71 & 72 files (01 Aug 2017 through 31 Jan 2018.)
See the
CalDB 4.8.0 Release Notes
for details.
28 Jun 2018
CalDB 4.7.9,
an upgrade to CalDB 4.8.2 and later versions, has been released. Included items are
ACIS CONTAM verion N0011, with modifications to the ACIS-I array,
HRC-I time-dependent QE files, and HRC-S upgraded time-dependent QEU files.
See the
CalDB 4.7.9 Release Notes
for details.
19 Mar 2018
CalDB 4.7.8,
an upgrade to CalDB 4.7.3 and later versions, has been released. Included items are
ACIS T_GAIN Epochs 71+72 (Aug 2017 through Jan 2018) updates, with final versions of Epochs 69+70
(Feb through Jul 2017),
as well as an upgrade of the HRC-S GAPLOOKUP (degap solution) table to version N0004.
See the
CalDB 4.7.8 Release Notes
for details.