Fig. 2

S∕N of the emission peak around km s−1 in the Kp-vsys matrices for the
model and data matrices with various numbers of SVD components removed. The filled circles indicate SVD iterations for which this emission peak is the strongest on the full Kp -vsys matrix. Since the S∕N value exceeds 4σ for SVD iterations 6 and 8, the peak was flagged by our analysis for these iterations.
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