Next: Determining a Line Up: Data Reduction Previous: Examine the data

## Select a Line to Work with

For this example we will work with the Fe line seen at 15A. First lets enlarge the region near the line.

`isis> xrange(14.99,15.07);`

`isis> plot_data(10);`

and now we see the data as plotted in figure 2.

Figure: The 15 Å Fe line in the Capella spectrum with the fitted lsf shown in red.

Figure: The 15 Å Fe line in the Capella spectrum