Summed 1D CCFs of the observed data in terms of S/N, where each lines corresponds to a different K_p in 40 ≤ K_p ≤ 200 km s⁻¹, for cases 1 (left) and 3 (right), with cross-correlation templates with and without broadening (v_{refl, c.c. temp} = 12.0 km s⁻¹ and 0.0 km s⁻¹ respectively). The dashed light blue line and the dotted purple line mark the S∕N = ±3 and S∕N = ±4 thresholds. The cross-correlation template without rotational broadening results in stronger noise spikes due to matching with narrower lines in the residual host star spectrum.