An obsolete version of figure 22, originating from a preliminary analysis, appeared in the paper of Varma & Zhong (Reference Varma and Zhong2025) due to a mistake during the preparation of the final production files. Figure 22 should therefore be replaced with the correct version shown below. The conclusions are not affected.
Second mode (mode
$F_1$
) receptivity coefficients based on the wall pressure perturbation amplitude. Receptivity coefficients are estimated using the backtracking method with
$N$
-factors from LPSE.

Declaration of interests.
The authors report no conflict of interest.


