Fig. 3.
Smoothed distributions of the galaxies in the Fornax cluster. Upper panel: surface number density distribution of galaxies using a Gaussian convolution kernel with σ = 15 arcmin. Lower panel: smoothed surface mass density distribution using the same kernel. The colored contours in the upper and lower panels highlight the iso-density curves with linear and logarithmic spacing, respectively. The green and blue crosses show the locations of NGC 1399 and NGC 1316, respectively. The red lines frame the area covered by the FDS. In the figures north is up and east is toward left.
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