Index: trunk/ippScripts/scripts/diff_skycell.pl
===================================================================
--- trunk/ippScripts/scripts/diff_skycell.pl	(revision 19971)
+++ trunk/ippScripts/scripts/diff_skycell.pl	(revision 20062)
@@ -56,14 +56,21 @@
    [
        #          PPSTATS KEYWORD         STATISTIC          DIFFTOOL FLAG
-       { name => "ROBUST_MEDIAN",    type => "mean", flag => "-bg",          dtype => "float" },
-       { name => "ROBUST_STDEV",     type => "rms",  flag => "-bg_stdev",    dtype => "float" },
-       { name => "TIME_SUB",         type => "sum",  flag => "-dtime_diff",  dtype => "float" },
-       { name => "TIME_MATCH",       type => "sum",  flag => "-dtime_match", dtype => "float" },
-       { name => "TIME_PHOT",        type => "sum",  flag => "-dtime_phot",  dtype => "float" },
-       { name => "SUBTRACTION.NUM",  type => "mean", flag => "-stamps_num",  dtype => "int" },
-       { name => "SUBTRACTION.MEAN", type => "mean", flag => "-stamps_mean", dtype => "float" },
-       { name => "SUBTRACTION.RMS",  type => "mean", flag => "-stamps_rms",  dtype => "float" },
-       { name => "NUM_SOURCES",      type => "sum",  flag => "-sources",     dtype => "int" },
-       { name => "GOOD_PIXEL_FRAC",  type => "mean", flag => "-good_frac",   dtype => "float" },
+       { name => "ROBUST_MEDIAN",        type => "mean", flag => "-bg",          dtype => "float" },
+       { name => "ROBUST_STDEV",         type => "rms",  flag => "-bg_stdev",    dtype => "float" },
+       { name => "TIME_SUB",             type => "sum",  flag => "-dtime_diff",  dtype => "float" },
+       { name => "TIME_MATCH",           type => "sum",  flag => "-dtime_match", dtype => "float" },
+       { name => "TIME_PHOT",            type => "sum",  flag => "-dtime_phot",  dtype => "float" },
+       { name => "SUBTRACTION.STAMPS",   type => "mean", flag => "-stamps_num",  dtype => "int" },
+       { name => "SUBTRACTION.DEV.MEAN", type => "mean", flag => "-stamps_mean", dtype => "float" },
+       { name => "SUBTRACTION.DEV.RMS",  type => "mean", flag => "-stamps_rms",  dtype => "float" },
+       { name => "SUBTRACTION.NORM",     type => "mean", flag => "-norm",        dtype => "float" },
+       { name => "SUBTRACTION.BGDIFF",   type => "mean", flag => "-bg_diff",     dtype => "float" },
+       { name => "SUBTRACTION.MX",       type => "mean", flag => "-kernel_x",    dtype => "float" },
+       { name => "SUBTRACTION.MY",       type => "mean", flag => "-kernel_y",    dtype => "float" },
+       { name => "SUBTRACTION.MXX",      type => "mean", flag => "-kernel_xx",   dtype => "float" },
+       { name => "SUBTRACTION.MXY",      type => "mean", flag => "-kernel_xy",   dtype => "float" },
+       { name => "SUBTRACTION.MYY",      type => "mean", flag => "-kernel_yy",   dtype => "float" },
+       { name => "NUM_SOURCES",          type => "sum",  flag => "-sources",     dtype => "int" },
+       { name => "GOOD_PIXEL_FRAC",      type => "mean", flag => "-good_frac",   dtype => "float" },
    ];
 my $stats = PS::IPP::Metadata::Stats->new($STATS); # Stats parser