The first step to perform if you want to analyze OSSE data on a target is to determine if OSSE actually viewed the object. The easiest method to make this determination is to run XWHEN. Simply type:
Igore>XWHEN
On X-Windows, this will open a window with a scrolling window to select a target from a list. After the target is selected, the other scrolling window will list the viewing periods where the target was observed. Click on the desired viewing period, then click Display Current Selection. A window will open displaying the pointing strategy of all four detectors for the target. A window of target statistics will also be displayed. Click on the Done button when you are finished.
Now let's extract some data. Use the standard defaults. All you want to do is see some kind of result for a particular target and viewing period, for this particular example, Hercules X-1 in viewing period 208. This method assumes you have your extracted SDB files in the directory stored in the IDL variable `sdbdir'
Igore> SPECANAL, target = `HER X-1', vp = 208.0, prod_dir = sdbdir
This run generates the complete set of output files described in the reference section.