Table 2: Source sizes (Gaussian widths $\sigma $) used in our microlensing simulations in units of pixels, Einstein radii and in physical units for the typical lensed quasar and for the special case of Q2237+0305.

Configuration		 $\sigma $ $\sigma $ $\sigma $ in cm $\sigma $ in cm
  in pixels in $R_{\rm E}$ (typical case) (Q2237+0305)

A ( $1{\rm pix} = 0.02 ~R_{\rm E}$)		 16 0.32 $1.2 \times 10^{16}$ $4 \times 10^{16}$
  8 0.16 $6.0 \times 10^{15}$ $2 \times 10^{16}$
  4 0.08 $3.0 \times 10^{15}$ $1 \times 10^{16}$
  2 0.04 $1.5\times 10^{15}$ $5\times 10^{15}$

B ( $1{\rm pix} = 0.01 ~R_{\rm E}$)		 4 0.04 $1.5\times 10^{15}$ $5\times 10^{15}$
  2 0.02 $7.5\times 10^{14}$ $2.5\times 10^{15}$


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