Table 1: Effective radius of NGC 1316:G114 for various models as determined from the F450W WFPC2 image. See text for details. The best fitting model (lowest $\chi ^2$) is shown in bold.
WFPC2 Type Index $R_{\rm eff}$(pc) $\chi^2 / \chi^2_{\rm best}$b
  Gauss - 4.34 1.93
  King 5 4.27 1.54
  King 15 3.89 1.13
  King 30 3.66 1.24
  King 100 4.14 1.87
  Moffat 1.5 4.34 1.09
  Moffat 2.5 4.09 1.14
  Moffata 1.76 4.08 1.0

ACS
Filter Type index $R_{\rm eff}$
  F555W Moffat 1.76 $4.83 \pm0.25$
  F814W Moffat 1.76 $3.68 \pm0.1$
a
Best fitting model of the WFPC2 observations.
b
Calculated individually for the different cameras.

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