The dark matter wake of a galactic bar revealed by multichannel singular spectral analysis. - Hunt, Jason A S; Petersen, Michael S; Weinberg, Martin D; Johnston, Kathryn V; Bernet, Marcel; Daniel, Kathryne J; Hyman, Sóley Ó; Price-Whelan, Adrian M; Arora, Arpit (Monthly Notices of the Royal Astronomical Society, 2026)