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Fig. 2

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Colour scale: H2CO 3(0,3)−2(0,2) centroid velocity map from pixel-by-pixel Gaussian analysis showing pixels with intensity above 5σ in the redshifted (left panel; integrated between 3.5 and 6 km s−1) and blueshifted (right panel; integrated between 0 and 3.5 km s−1) regimes; the systemic velocity is ~3.6 km s−1. Blue contours: 1.3 mm continuum contours starting at 4σ and ending at 300σ in intervals of 15σ (σ = 0.19 mJy beam−1) indicating disk emission. Red (left panel) and cyan (right panel) contours: Redshifted and blueshifted (respectively) CO 2−1 emission from Alves et al. (2017) detailing outflow emission seen at 8.67 km s−1 and −0.78 km s−1, respectively, representing the channels with the most extended outflow CO 2−1 emission. Contours are at 4, 6, 8, 10, 15, 20, 30, 40, 50, 60, 70, 80 and 90 times σ – which is 2.8 mJy beam−1 – in order to match the CO 2−1 observations, which have a beamsize of 0.2″ × 0.25″. The ALMA synthesised beam for the H2CO observations, with a beamsize of 0.43″ × 0.41″ is shown in the lower left corner.

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