deletions | additions       diff --git a/Casa settings [2].tex b/Casa settings [2].tex  index 9092f11..41fcbb5 100644  --- a/Casa settings [2].tex  +++ b/Casa settings [2].tex 
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The cleaning \href{http://casa.nrao.edu/Release3.4.0/docs/userman/UserMansu289.html}{threshold} can be used to limit the number of cleaning cycles. If the maximum residual from a cleaning cycle is less than this value, the cleaning process will terminate early.   The following graph shows that changing this has little no  impact on the data.