Index: trunk/psModules/src/imcombine/pmSubtractionMatch.h
===================================================================
--- trunk/psModules/src/imcombine/pmSubtractionMatch.h	(revision 17783)
+++ trunk/psModules/src/imcombine/pmSubtractionMatch.h	(revision 18181)
@@ -14,4 +14,5 @@
 #define PM_SUBTRACTION_ANALYSIS_STAMPS_RMS "SUBTRACTION.RMS" // Name of stamp rms in the analysis metadata
 #define PM_SUBTRACTION_ANALYSIS_STAMPS_NUM "SUBTRACTION.NUM"// Name of the number of stamps in the analysis MD
+#define PM_SUBTRACTION_ANALYSIS_VARFACTOR "SUBTRACTION.VARFACTOR"// Name of variance factor in the analysis MD
 
 /// Match two images