The Dark Matter Halo Density Profile, Spiral Arm Morphology, and Supermassive Black Hole Mass of M33

<table>NFW concentration parameter versus spiral arm pitch angle showing a correlation. The green point represents data for M31, the cyan point for Malin 1, the red point for IC2522, the blue point for ESO582G12 and the magenta point shows the data for M33.</table>

International Scholarly Research Notices

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Figure 4

Figure 4: The Dark Matter Halo Density Profile, Spiral Arm Morphology, and Supermassive Black Hole Mass of M33 