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Normalized Sersic Profiles.

Normalized Sersic Profiles. Simple profiles are actually rather rare in E galaxies. Theoretical profiles and mass density distributions for modified isothermal spherers .

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Normalized Sersic Profiles.

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  1. Normalized Sersic Profiles.

  2. Simple profiles are actually rather rare in E galaxies.

  3. Theoretical profiles and mass density distributions for modified isothermal spherers.

  4. A set of King profiles for different concentration parameters (high concentration parameters to the right, low concentrations to the left)

  5. Different sorts of Spiral/Disk galaxies.

  6. Some examples of Irregular galaxies within the Hubble sequence.

  7. Distributions of axial ratios (q=b/a) for S0 and Disk systems. The drop off at left in both cases gives some sense of how flat these galaxies can appear; it is clear that normal spirals can be quite flat when seen edge-on, while S0’s are puffier.

  8. Star formation rate (the y-axis) on average increases as you move from E/S0 galaxies through the SaSd to Irregular sequence.

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