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Matching CIAO and CALDB VersionsCIAO 4.0 requires CALDB 3.4.0 or higher to operate properly. Are your versions mismatched? Time to update CIAO and CALDB! Source Detection and Cosmic-Ray AfterglowsCIAO users who are trying to detect sources of about 10 counts or less should be aware of potential confusion with cosmic-ray afterglows that have not been removed from the data. The Cosmic-Ray Afterglows why topic explains the limitations of the current tools and describes analysis tips to help eliminate more of the afterglows. 23 Jun 2008 CALDB 3.4.5 has been released for use with CIAO 3.4 and CIAO 4.0. Information on the patch is available from the CALDB 3.4.5 Release Notes and How CALDB 3.4.5 Affects Your Analysis. 4 Jun 2008 The CXC announces the return of the Chandra/CIAO workshops. This is the sixth in a series of workshops started in 2001 aimed at helping users to work with the Chandra Interactive Analysis of Observations (CIAO) software. The 6th Chandra/CIAO Workshop will be held 20-22 October 2008 at the Chandra X-ray Center in Cambridge, MA (USA). Registration is now open! 30 May 2008 Several of the CIAO contributed scripts were updated to replace the Unix "head" and "tail" commands with the CIAO tools "dmkeypar" and "pget". A user reported script failure on Mac OS X 10.4 Intel due to incompatible syntax. 16 Apr 2008 CIAO has been patched to CIAO 4.0.2. The CIAO 4.0.2 patch enables CIAO to run on Mac OS X 10.5 (Leopard) Intel. The patch is optional for 10.4 (Tiger) Intel machines. The patch should not be applied to Linux, Solaris, or Mac PowerPC installations of CIAO. Additionally, there is an updated standalone version of ObsVis for Mac OS X Intel; see the ObsVis website for details and the download. |
Downloading CIAO 4.0Latest CIAO Update: 16 April 2008 (Mac OS X Intel only) CIAO 4.0 is available for:
The Platform Support page has more information on the officially supported CIAO platforms, as well as advice on using unsupported platforms. Note that in order to run CIAO on a 64-bit machine, regardless of operating system, the basic 32-bit libraries must be installed. To use CIAO, you must also have the Calibration Database (CALDB) installed on your system:
CALDB 3.4.0 or higher is required for the proper operation of CIAO 4.0. It is recommended you upgrade to have the newest calibration available. Browser IssuesThere are known problems with the CIAO download pages in Internet Explorer on the Mac OS X platform. We recommend that you choose an alternate browser - such as Safari (distributed with Mac OS X) or Mozilla Firefox - to avoid download problems. Problems have also been reported when using Nescape 7.2 on Linux. The tarfiles appear to download correctly, but an end of file (EOF) error is encountered when unpacking them. What You Need to DownloadBinary InstallationTo install CIAO 4.0 you need the following packages, which are available from the platform-specific download pages, on the European Mirror Site, or on CD via the Helpdesk:
The Installing CIAO 4.0 thread explains in detail how to install each of these software components. Source BuildUsers who are interested in building the CIAO software from source should download the source code packages, named ciao-4.0-src-<component>.tar.gz. More information is available from the 4.0 INSTALL_SOURCE file. |
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The Chandra X-Ray
Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory. 60 Garden Street, Cambridge, MA 02138 USA. Email: cxcweb@head.cfa.harvard.edu Smithsonian Institution, Copyright © 1998-2004. All rights reserved. |
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