Six emission line images constructed using the MUSE and ALMA observations of 4C 19.71 (see text for details). Top left: Lyα (extracted from λ_obs = 5581.64−5584.14 Å); top center: C IV 1548.2 Å (extracted from λ_obs = 7100.39−7102.89 Å); top right: He II (extracted from λ_obs = 7525.39−7535.39 Å); bottom left: [C III] (extracted from λ_obs = 8739.14−8756.64 Å); bottom center: [C I](1–0) (extracted from 107.21−107.27 GHz) from the continuum subtracted cube; bottom right: ¹³CO(4–3) (extracted from 96.007−96.067 GHz) from continuum subtracted cube. MUSE moment-0 maps are smoothed with a Gaussian filter of size 7 × 7 pixels. Pink contours are overlaid [C I](1–0) line emission (levels at 2.5σ, 3σ, and 3.5σ, where σ = 29 mJy). Green contours represent the VLA band C data with levels at 3σ, , , and , where σ = 45 mJy. Since we did not extract the full Lyα line profile making the map due to the impact of the bright 5755 Å night sky line on the Lyα line profile, we are likely missing a significant amount of the flux and have an incomplete map of its flux distribution.