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CS J=7–6 (top row) and HCN J=4–3 (bottom row) integrated intensity (left), velocity centroid v(middle)
and peak intensity Ipeak (showing the maximum intensity of the spectrum at each location, right). Overplotted on the
integrated intensity map are intensity contours spaced at 3 times the noise level of this map (respectively 0.014 and
0.018 Jy km / s / beam for CS J=7–6 and HCN J=4–3). The v and Ipeak maps are obtained using all signal above 3
times the RMS as determined from individual channels not containing line emission. The position of the star is given by a plus sign and the beam is shown in the bottom left. With a black line we show the dust continuum emission at
30% of it’s maximum.