Fig. 2
Observed 18.72 μm VISIR image. The color bar shows the surface brightness in Jy/arcsec2. Overplotted are the positions of the VISIR and TIMMI2 spectroscopic slits. The VISIR N-band slit position is plotted with the green straight line, the VISIR Q-band slit position is plotted with the blue dotted line and the TIMMI2 N-band spectrum is plotted with the yellow dashed line. The Spitzer slit encompasses the entire image.
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