Image 2: The +1 order plotted over the -1 order
The following ChIPS session was used to create the plot:
unix% chips Welcome to ChIPS, version CIAO 3.4 Copyright (C) 1999-2003, Smithsonian Astrophysical Observatory chips> curve "1801_-1_LEG_garf.fits[cols ENERG_HI,SPECRESP]" chips> symbol point chips> curve "1801_1_LEG_garf.fits[cols ENERG_HI,SPECRESP]" chips> curve simpleline chips> symbol none chips> curve red