Table 5: The best-fit parameters for the twelve-image models.
Model $\theta_{\rm E}$ x1l x2l $e/\gamma$ $^{{\rm a}}$ $\theta_{{\rm e}/\gamma}$a $\chi ^{2}$ d.o.f.c
  ( $^{\prime \prime }$) ( $^{\prime \prime }$) ( $^{\prime \prime }$)   ($^\circ$)    
SIEb 1.87     0.441 25.1 37.5 15
SIE 2.19 0.10 -0.10 0.588 26.6 23.9 13
SIS+ESb 1.26     0.179 26.1 23.3 15
SIS+ES 1.27 0.03 0.04 0.169 26.7 21.6 13
a Ellipticity or external shear values, depending on the model.
b The lens center is fixed to the galaxy center.
c Number of degrees of freedom.

Source LaTeX | All tables | In the text