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Fig. 3
Moment-zero map of the PN J = 6 − 5 transition. The emission was integrated over the velocity range [νLSR − 22,νLSR + 20] km s-1. Contours start at 2σ (1.0 Jy beam-1 km s-1), with 1σ increments. The synthesised beam FWHM is represented by the filled ellipse in the bottom left corner.
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