Le 17/03/2011 22:14, Jim Palfreyman a écrit :
Just for fun I plotted the UT1-UTC data from the IERS Bulletin A.
Here's the raw data:
I add the deltas
UT1-UTC
s delta
-0.18115
-0.18232 0,00161
-0.18353 0,00121
-0.1847 0,00117
-0.18576 0,00116
-0.18674 0,00098
-0.18763 0,00109
-0.18842 0,00079<=== 11/3 day of the quake
-0.18912 0,00090
-0.1897 0,00059
-0.1903 0,00060
-0.19103 0,00073
-0.192 0,00079
-0.19324 0,00124
If you check that against the excess day length graph I don't think
that is change is significantly different, and any change would be
expected to be permanent as the mass redistribution is.
This is from March 4 to Match 17 inclusive.
I don't know if it's a fluke, but the line takes a definite "step to
the right" before continuing on its merry way.
At a glance x an y graphs seem to show nothing.
Jim Palfreyman
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