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Table 3

Gaussian fits to the peaks of the CS, OCS, and H2CO emission and resultant velocity gradients and dynamical masses.

Species Position of peak Semi axes (“×”) Fluxes Velocity gradient Mass
RA Dec Major × Minor PA (°) Integrated Peak (km s-1 pc-1) M

CS 17:26:42.6 –36:09:16.86 3.7 × 3.3 163 61.90 8.98
OCS 17:26:42.5 –36:09:17.47 3.8 × 3.2 101 16.98 5.33 189 ± 12 275
H2CO  17:26:42.5 –36:09:17.10 3.5 × 3.4 22 12.05 3.45 232 ± 13 250

Notes. The uncertainties of the axis lengths and position angles are 0.03′′ and 3° respectively, and come from the deconvolved Gaussian fits to the data. The integrated and peak fluxes have units of Jy beam-1 km s-1 and Jy beam-1, respectively.

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