Index: trunk/ppSim/src/ppSimStars.c
===================================================================
--- trunk/ppSim/src/ppSimStars.c	(revision 23487)
+++ trunk/ppSim/src/ppSimStars.c	(revision 41397)
@@ -9,6 +9,15 @@
 
     ppSimStar *star = (ppSimStar *) psAlloc(sizeof(ppSimStar));
+
+    star->ra = NAN;
+    star->dec = NAN;
+    star->mag = NAN;
+    star->x = NAN;
+    star->y = NAN;
+    star->flux = NAN;
+    star->peak = NAN;
+    star->external = FALSE; // star was supplied (not randomly generated) for this analysis
+
     psMemSetDeallocator(star, (psFreeFunc) ppSimStarFree);
-
     return star;
 }