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07 Nov 2006 CALDB version 3.2.4 has been released. This release contains ACIS time-dependent gain calibration files only. See the How CALDB 3.2.4 Affects Your Analysis section of the CIAO release notes and the CALDB release notes for details. 31 Jul 2006 New webpage: Effective Area Cross-calibration Results Involving the Chandra X-ray Observatory This webpage provides a discussion of cross-calibration work relating the Chandra X-ray Observatory to other X-ray missions, particularly XMM-Newton. Much of this webpage was developed in cooperation with the XMM-Newton calibration team. |
Analysis GuidesSince the number of CIAO Science Threads is always increasing, there is a great demand for a roadmap on how to apply them to the data. The Analysis Guides presented here were written for that purpose. Each guide takes a certain instrument configuration (ACIS, for example) or type of analysis (e.g., extended sources) and lists the relevant threads. Along with the listing is a brief explanation of the purpose of each task. The goal is to help the user complete the analysis without requiring that every thread be read. |
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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. |