Fig. 9.
Continuum-subtracted channel maps of the SO2 emission. The contours are drawn at 3, 6, 12, 24, 36, 48, and 60 times the rms noise value outside the line (1.18 × 10−3 Jy beam−1). Length scales and FWHM of the resolving beam are indicated in the bottom left panel. Flux units are in Jy beam−1. The continuum peak is located in the centre of the brightest contour. Velocity labels are relative to the υ*. The emission is confined to the centremost regions of the wind, and is mostly spherical in nature.
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