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   WebSpec
Okay, I have read this page but I still need HELP! Feedback or questions ?
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 :
8/28/19XMM updated for AO19.
8/15/19NICER updated with latest arf and background.
12/20/18Chandra updated for Cycle 21.
12/20/18Added Athena X-IFU.

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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Okay, I have read this page but I still need HELP! Feedback or questions ?
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HEASARC support for unencrypted FTP access ended on September 20, 2019. Please see this notice for details.

This file was last modified on 28-Aug-2019