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Fig. 4

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Initial evolutionary stages for the stellar disk of the constructed disk galaxy model (with triaxial halo and star-forming gas). The upper snapshots show the disk viewed face-on for times 0, 0.1, 0.2, 0.3 and 0.4; the grey intensities correspond to the logarithms of particle number density. The bottom panels show the dependence of various disk quantities on the cylindrical radius R at the same times. Here n is the number of particles in concentric cylindrical layers; z1/2 is the median of the value |z|, and σR is the radial velocity dispersion.

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