If this version is not working, try the old version.

Webspec Logo WebSpec is a web interface for the X-ray spectral fitting package, XSPEC. It simulates spectral data for a variety of X-ray missions/instruments. WebSpec can not be used to analyze real data. This page is for the simple interface. More experienced XSPEC users, may want to use an advanced interface which allows up to 9 components. Latest news :
12/23/14Chandra updated for Cycle-17.
11/5/14WebSpec now runs on top of Hera. This should provide greater speed and stability. In case of trouble you can drop back to the old version.

Specify the desired model expression by clicking on a model in each of the scroll boxes and indicating via the checkbox whether you want pileup and/or photoelectric absorption. If you only want one model then click on the top blank line in the second scroll box. When you are ready click the button to set model parameters. To start again click the reset button.

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This file was last modified on 18-Mar-2015