Fig. 6
Percentage error on ⟨ vsini ⟩ from single regions of artificially broadened spectra. For each velocity two values of S/N are plotted. S/N = 100 and 200 for ⟨ vsini ⟩ = 80, 180, and 280 km s-1. S/N = 100 and 70 for ⟨ vsini ⟩ = 20, 120, and 220 km s-1. Triangles: standard deviation of 10 consecutive measures (true error). Circles: designated error (calibration).
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