Index: trunk/ippScripts/scripts/diff_skycell.pl
===================================================================
--- trunk/ippScripts/scripts/diff_skycell.pl	(revision 19545)
+++ trunk/ippScripts/scripts/diff_skycell.pl	(revision 19638)
@@ -53,11 +53,14 @@
    [
        #          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 => "DT_SUB",          type => "sum",  flag => "-dtime_diff", dtype => "float" },
-       { name => "SUBTRACTION.NUM", type => "mean", flag => "-stamps_num", dtype => "int" },
-       { 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.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" },
    ];
 my $stats = PS::IPP::Metadata::Stats->new($STATS); # Stats parser