Averaged broadening functions for the three binaries using the optimal templates and Gaussian smoothing, showing the characteristics of each system. V80, V20, and V18 BFs are shown from top to bottom with offsets of 0.13, 0.06, and 0.00 for clarity. V18 and V20 are seen to be slowly rotating systems, while V80 rotates faster. V20 contains a third light component.
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