The Chandra X-ray Center (CXC) is pleased to announce that a new version of Sherpa for the current CIAO 4.2 ("Chandra Interactive Analysis of Observations") is availalable for download from: http://cxc.harvard.edu/ciao/download/.

Sherpa v2 is available for all the platforms supported by CIAO 4.2 except Mac OS X 10.4 PPC.

The main Sherpa enhancements are related to working with models. There are several new functions that allow users to combine convolved and unconvolved model components into one model expression. Many improvements to the user model interface give needed flexibility for incorporating user models, including XSPEC-style table models. Working with PSF has also been significantly improved. This version also incorporates many bug fixes.

Read the complete Sherpa version 2 release notes at:

http://cxc.harvard.edu/ciao/releasenotes/ciao_4.2sh2_release.html

and Latest Updates on Sherpa page:

http://cxc.harvard.edu/sherpa/updates.html



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