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Dynamical Masses - A Little Bit Crappy.

Left: Dynamical Mass distribution.
Right: Rotational Width vs. Galactic Inclination. All inclinations <30° were cutoff at <30°.

• Dynamical masses calculated using V²R from rotational widths and isophotal limit.

BUT:

• Rotational widths appear to have a correlation with inclination...which they shouldn't.

• Isophotal widths were based on UGC values, which only has a specific cutoff at 25 mag/arcsec².