Cross-correlation function for the spectrum taken on HJD 2456057.93945226, with the ANU 2.3 m echelle at R = 23,000. The CCF shown is the average CCF of the cross correlations from all echelle orders, excluding those with very low cross-correlation heights. The cross correlations are performed against RV standard star exposures taken on the same night. For clarity, the highest peak (presumed to correspond to higher mass, primary component in the eclipsing binary) has been shifted in this figure to be at 0 km s⁻¹.