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Fig. 6

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Ratio of as a measure of temperature and density gradients. For comparison of the linear scale we plotted the Parkes beam as a black circle in front of the LA 1.3 head. Cooler gas portions (larger ) and warmer (smaller ) with a surprisingly high degree of small-scale structure. The high column density objects are associated with cool cores (heads) localized in the direction of the orbital motion (velocity gradient).

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