Top panel: Composite image, using a H2 2.122 μm (red) and [Fe ii] 1.644 μm (green) colour coding, of a FOV of L723 showing part of the HH 223 outflow (continua were not subtracted). Crosses mark the position of the radio continuum sources SMA1 and SMA2, close to the H2 structure K1 (see also Fig. 8). Bottom panel: Close-up of the rectangle enclosing HH 223. Note the spatial displacements between the [Fe ii] and H2 emissions in the knots. North is up and East is to the left.
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