Creating a Spectrum File Using the HESSI GUI

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Creating A Spectrum File with the HESSI GUI

Introduction

Under Construction. See Ospex - The Basics for an older version of the HESSI GUI Documentation. If you have already created a spectrum file go to OSPEX Documentation for a simple tutorial on fitting an interval.

Creating a Count Rate Spectrum File

Start the HESSI GUI at the sswidl command line by typing:

hessi

The HESSI GUI start screen will appear. Select the 'File' drop down menu. The GUI should now appear as below.

From the file drop down menu choose the 'Select Observation Time Interval...' option. The 'Observation Time Interval Selection' GUI will pop up.

We can set the start and end times we would like to use by simply entering times in this widget or selecting 'Start' and entering times in the popup menu, then doing this again for the end time. Once we have selected our times we can plot the observing summary for the flare. In this example we have selected the flare on 21Apr2002 starting at 00:20:00 and continuing until 01:40:00. We can plot the observing summary in the main window by selecting the 'Plot Observing Summary Data' button. The observing summary should appear as below: