Total Intensity



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Total Intensity

Flat-topped jet and counterjet profiles

 Averaged transverse profiles
Figure 2: Averaged transverse profiles across the segment of the jet between the brightest knots: 8.4 GHz, 0.44" (FWHM) resolution.
Upper: total intensity. Lower: polarized intensity ×2, showing two minima.

The transverse intensity profiles are flat-topped in many regions (see Figure 2, upper curve). The profiles are poorly fitted by single Gaussian components wherever the signal-to-noise is high. Residuals from Gaussian fits are always positive toward the edges of the jet, and negative toward the jet axis.



abridle@nrao.edu