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Last modified: 1 November 2022

URL: https://cxc.cfa.harvard.edu/ciao/releasenotes/ciao_4.4_release.html

CIAO 4.4 Release Notes


Notable changes and improvements in CIAO 4.4:



How CALDB 4.4.10 Affects Your Analysis

CALDB 4.4.10 Release Notes (release 30 May 2012)

ACIS Imaging Data and Grating Data


How CALDB 4.4.8 Affects Your Analysis

CALDB 4.4.8 Release Notes (release 23 Feb 2012)

ACIS Imaging Data and Grating Data


How CIAO 4.4 and CALDB 4.4.7 Affect Your Analysis

Some tool changes and calibration files released in CIAO 4.4 and CALDB 4.4.7 affect analyses in progress. This section of the release notes describes those changes and which tasks are affected.

ACIS Imaging Data

ACIS Grating Data

HRC-I Imaging Data

HRC-S Imaging and Grating Data


Installation

Users should be aware of these installation items before installing CIAO 4.4. Additional problems which are seen less frequently are listed on the Installation & Smoke Tests bug page.

Supported Platforms

Updates to the ciao-install Installation Script

Remove old parameter files

Remove the fontconfig cache


Tools

acis_build_badpix

acis_find_afterglow

acis_process_events

acis_streak_map

acis_run_hotpix

aconvolve

addresp

aprates

arfcorr

asphist

celldetect

dither_region

dmcoords

dmextract

dmfilth

dmhedit

dmimgfilt

dmimglasso

dmimghull

dmimgpick

dmimgpm

dmimgthresh

dmkeypar

dmlist

dmsort

dmstat

dmtabfilt

eff2evt

get_src_region

hrc_dtfstats

imgmoment

lim_sens

mean_energy_map

mkacisrmf

mkpsf

mkpsfmap

mkrmf

mkwarf

pfold

proposal tools

reproject_aspect

reproject_events

roi

sky2tdet

skyfov

vtpdetect

wavdetect

wrecon

wtransform


Parameter Files

A summary of parameter files changes is provided in this section. Refer to the Tools and Analysis Scripts sections of these release notes for complete details.

We recommend deleting all the old parameter files or renaming the parameter-file directory before running any new version of CIAO to avoid conflicts. More information is available in the FAQ.

acis_run_hotpix

addresp

aprates

combine_spectra

dither_region

dmimglasso

sky2tdet

specextract

wavdetect


Data Model

PyCrates

ASCII Kernel

Additional Enhancements & Bug Fixes


ChIPS

ChIPS GUI

Plot Translucency in PDFs

Manipulating Plot Objects

Plot Labels and Text Formatting

Additional Enhancements & Bug Fixes


Sherpa

Bayesian Analysis with pyBLoCXS

Visualization of Statistical Distributions from Simulations

Fitting Template Models to 1D Data

Optimization Methods

Modeling and Fitting with PSFs

Models and Parameters

Additional Enhancements & Bug Fixes


GUIs (Graphical User Interfaces)

prism


Analysis Scripts

The CIAO scripts package is considered a required part of the software installation.

chandra_repro

combine_spectra

specextract

Python 2.7 compatibility

Removed: psextract

Removed: remove_extra_time_keywords


Libraries

cxcparam

dslib

hdrlib

pixlib

regionlib

tcdlib


Environment

Off-the-Shelf (OTS) Package Versions


Documentation

Analysis Threads