Left panel: HH212 protostellar system as observed by ALMA-Band 7 (Codella et al. 2014). Blue and red contours plot the blue- and redshifted SiO(8–7) jet overlaid on the continuum at 0.9 mm (black contours). Positions are with respect to the coordinates reported in Sect. 2. The filled ellipse shows the synthesised beam (HPBW): . Central panels: zoom-in of the central region as observed by ALMA-Band 7 Cycle 1: 13CH3OH(130,13–121,12)E and CH2DOH(90,9–81,8)e0 integrated over ±4 km s-1 with respect to the vsys = + 1.7 km s-1, (black contours and grey scale). First contours and steps are 5σ for 13CH3OH (15 mJy beam -1 km s-1) and CH2DOH (35 mJy beam -1 km s-1). The HPBWs are (PA = −64°) for 13CH3OH and (PA = −65°) for CH2DOH. Right panel: zoom-in of the central region, as observed by ALMA-Band 7 Cycle 4, showing the 13CH3OH(121,11–120,12)A emission integrated over 10 km s-1 around vsys (black contours and grey scale). First contours and steps are 5σ (20 mJy beam -1 km s-1) and 3σ, respectively. The HPBW is (PA = −88°).
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