Table 2: Parameters of the synchrotron models A, B, and C for the nuclear source S1 of NGC 1068: the linear scale s is the half thickness in model A & B and the radius of the emission spheres in model C. For the mean Lorentz factor $\left <\gamma \right >$ of the electron distributions (width $\Delta \gamma /\left <\gamma \right > = 2$) there are only lower limits derived form the assumed upper cut-off frequency $\nu _{\rm c} = 3\times 10^{14}$ Hz of the synchrontron spectrum. The values for $B_{\rm Min}$ is the minimum energy B-field for the claimed size of s=5.6 mas in model A and upper limits for B and C. The electron density in the last column corresponds to $B_{\rm Min}$.
Model s $s \times d$ $\left <\gamma \right >$ $B_{\rm Min}$ $n_{\rm e}$
  [mas] [pc]   [G] [cm-3]
A 5.6 0.39 > $1.5\times10^5$ $1.6\times10^{-2}$ $1.3\times10^{-4} $
B > $2\times10^{-7}$ > $1.3\times10^{-8}$ > $1.3\times10^4$ <2.2 <3.0
C > $1.6\times10^{-3}$ > $1.1\times10^{-4}$ > $8\times10^3$ <6.1 <350


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