Index: /trunk/psModules/src/objects/pmSourcePhotometry.c
===================================================================
--- /trunk/psModules/src/objects/pmSourcePhotometry.c	(revision 38871)
+++ /trunk/psModules/src/objects/pmSourcePhotometry.c	(revision 38872)
@@ -243,5 +243,8 @@
             return false;
         }
-
+	// NOTE : previous to r36860, we failed to pass a variance to pmSourcePhotometryAperSource, making apFluxErr wrong.
+	// I should interpolate the source variance to match the signal, but failing to do so only makes a tiny 
+	// (~1-2%) error in the variance, and thus only a small error in the error on the aperture flux.  
+        variance = source->variance;
     } else {
         flux = source->pixels;