Position-velocity slices through a) the H77α cube and b) the [Ne II] cube from Lacy et al. (2007) tracking the approximate path of the Lacy jet. Emission is black, absorption (which in both images is due to reduction artifacts rather than true physical absorption) is white. The vertical streaks are continuum sources. The abscissa shows the offset position along the slice from J2000 19:23:40.464 +14:31:07.9536 to 19:23:39.4176 +14:31:04.7172, position angle 258°. The blueshifted lobe is evident at –50 km s-1 in both cubes, and neither shows a redshifted counterpart. The H77α data reveal that there is truly no counterpart, ruling out the possibility that it was simply too extincted to be observed in the infrared.
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