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Table 3

Continuum and line emission parameters of the thin shell models for the four studied lines.

Line I star R star I shell τ shell R shell τ cool νemi σ emi νabs σ abs

28SiO(ν= 2, J = 8−7) 74.80.4 29.500.14 273 37.82.5 1.080.03 4.520.09 10.200.08 4.800.14 10.260.13 0.16
12CO(ν= 0, J = 3−2) 76.60.4 29.970.12 343 39.52.9 1.120.03 5.560.15 8.800.13 4.930.17 8.690.15 1.46
28SiO(ν= 1, J = 8−7) 75.00.4 29.600.13 7111 39.62.9 1.830.09 4.740.10 11.370.09 4.340.11 10.450.10 0.36
29SiO(ν= 0, J = 8−7) 74.80.4 29.500.14 313 39.52.9 1.280.03 4.430.09 10.290.08 5.780.11 9.620.10 0.32

Notes. The intensities Istar and Ishell are expressed in mJy beam-1, the angular radii Rstar and Rshell in milliarcseconds, and the velocities (expressed in the LSR) and line widths in km s-1. The uncertainties are listed in the subscript of each value.

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