Index: trunk/psModules/src/objects/pmSource.c
===================================================================
--- trunk/psModules/src/objects/pmSource.c	(revision 19954)
+++ trunk/psModules/src/objects/pmSource.c	(revision 19985)
@@ -6,6 +6,6 @@
  *  @author EAM, IfA: significant modifications.
  *
- *  @version $Revision: 1.59 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2008-10-07 20:12:27 $
+ *  @version $Revision: 1.60 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2008-10-08 04:21:47 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -611,22 +611,28 @@
     }
 
-    psStats *stats = NULL;
-    stats = psStatsAlloc (PS_STAT_MIN | PS_STAT_MAX);
-    if (!psVectorStats (stats, starsn_moments, NULL, NULL, 0)) {
-        // Don't care about this error
-        psErrorClear();
-    }
-    psLogMsg ("pmObjects", 3, "SN range (moments): %f - %f\n", stats[0].min, stats[0].max);
-    psFree (starsn_moments);
-    psFree (stats);
-
-    stats = psStatsAlloc (PS_STAT_MIN | PS_STAT_MAX);
-    if (!psVectorStats (stats, starsn_peaks, NULL, NULL, 0)) {
-        // Don't care about this error
-        psErrorClear();
-    }
-    psLogMsg ("pmObjects", 3, "SN range (peaks)  : %f - %f\n", stats[0].min, stats[0].max);
-    psFree (starsn_peaks);
-    psFree (stats);
+    if (starsn_moments->n) {
+	psStats *stats = NULL;
+	stats = psStatsAlloc (PS_STAT_MIN | PS_STAT_MAX);
+
+	if (!psVectorStats (stats, starsn_moments, NULL, NULL, 0)) {
+	    // Don't care about this error
+	    psErrorClear();
+	}
+	psLogMsg ("pmObjects", 3, "SN range (moments): %f - %f\n", stats->min, stats->max);
+	psFree (starsn_moments);
+	psFree (stats);
+    }
+
+    if (starsn_peaks->n) {
+	psStats *stats = NULL;
+	stats = psStatsAlloc (PS_STAT_MIN | PS_STAT_MAX);
+	if (!psVectorStats (stats, starsn_peaks, NULL, NULL, 0)) {
+	    // Don't care about this error
+	    psErrorClear();
+	}
+	psLogMsg ("pmObjects", 3, "SN range (peaks)  : %f - %f\n", stats->min, stats->max);
+	psFree (starsn_peaks);
+	psFree (stats);
+    }
 
     psTrace ("psModules.objects", 2, "Nstar:    %3d\n", Nstar);