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Fig. 2
Scatter plots with the errors of RV, Teff, log g, and [Fe/H] (from top to bottom) as a function of the S/N in the r band. The following color coding is used: blue for 2011–2012, black for 2013, and red for 2014. The full green line, in each box, is the median value as a function of S/N.
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