The u'g'r'i'z' Standard Star System:


The Search for Trends

As part of the u'g'r'i'z' standard star setup, a vigorous search for any trends in the system residuals was made. No obvious trends were detected. Below are the plots of the system residuals vs. different quantities which were used in this search. They are gzip-compressed postscript files; each compressed file is about 100kB in size.
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