use micron wavelengths from HSD files for HCAST

src/HCastFile.cxx

@@ -1607,8 +1607,11 @@ public:
     }
 
     virtual double centralWavelength() const {
-        static const double wl[17] = { 0.0, 0.46, 0.51, 0.64, 0.86, 1.61, 2.3, 3.9, 6.2, 7.0,
-                7.3, 8.6, 9.6, 10.4, 11.2, 12.3, 13.3 };
+        static const double wl[17] = { 0.0, 
+            0.47063, 0.51, 0.63914, 0.8567,    // RKG: taken from HSD files 20170928
+            1.6101, 2.2568, 3.8853, 6.2429, 
+            6.9410, 7.3467, 8.5926, 9.6372, 
+            10.4073, 11.2395, 12.3806, 13.2807 };
         //LOG<< "centralWavelength" <<" "<< hsd->band_number <<" "<<  wl[hsd->band_number]<<std::endl;
 
         return wl[hsd->band_number];