aGIS spectrum of Crab using v3.1 RMF bGIS spectrum of Crab using v4.0 RMF

cGIS spectrum of EXO2030 using v3.1 RMF dGIS spectrum of EXO2030 using v4.0 RMF

Figure 4. Representative GIS spectra fitted with the old (gisv3_1.rmf) and the new (gisv4_1.rmf) rmf files. The spectra are obtained from Crab nebula (a and b with the old and new rmfs, respectively) and EXO 2030 (c and d with the old and new rmfs, respectively) with both GIS-2 and GIS-3.