Index: trunk/ippToPsps/jython/stackbatch.py
===================================================================
--- trunk/ippToPsps/jython/stackbatch.py	(revision 39569)
+++ trunk/ippToPsps/jython/stackbatch.py	(revision 39570)
@@ -733,5 +733,5 @@
         # sersic fit has an extra parameter
         if (ippModelType == "PS_MODEL_SERSIC"):
-            sqlLine.group("a." + filter + model + "Nu",    "b.EXT_PAR_07")
+            sqlLine.group("a." + filter + model + "Nu",    "1 / (2.0 * b.EXT_PAR_07)")
             sqlLine.group("a." + filter + model + "NuErr", "'0.1'") # this is not measured at the moment
 
