Index: trunk/psphot/src/psphotEfficiency.c
===================================================================
--- trunk/psphot/src/psphotEfficiency.c	(revision 29610)
+++ trunk/psphot/src/psphotEfficiency.c	(revision 29902)
@@ -512,4 +512,7 @@
     psMetadataAddPtr(readout->analysis, PS_LIST_TAIL, PM_DETEFF_ANALYSIS, PS_META_REPLACE | PS_DATA_UNKNOWN,
                      "Detection efficiency", de);
+    psMetadataAddF32(readout->analysis, PS_LIST_TAIL, "DETEFF.MAGREF", 
+        PS_META_REPLACE, "Magnitude reference", magLim);
+
     psFree(de);
 
Index: trunk/psphot/src/psphotOutput.c
===================================================================
--- trunk/psphot/src/psphotOutput.c	(revision 29610)
+++ trunk/psphot/src/psphotOutput.c	(revision 29902)
@@ -283,4 +283,6 @@
     psMetadataItemSupplement (&status, header, analysis, "MSKY_NY");
 
+    psMetadataItemSupplement (&status, header, analysis, "DETEFF.MAGREF");
+
     psMetadataAddF32 (header, PS_LIST_TAIL, "DT_PHOT", PS_META_REPLACE, "elapsed psphot time", psTimerMark ("psphotReadout"));