Fig. 5
An intensity weighted mean velocity map of the clumpy CO ring integrated within 20 km s-1 of the systemic velocity at + 18km s-1, i.e. between −2 and + 38km s-1, to avoid any confusion from the ISM or spur features. The location of the star is marked with a cross, and the location of the Herschel dust ring is indicated with a dashed circle of 25′′ radius.
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