Dark Haloes and the Kinematics of Disc Galaxies
The decomposition of the 21 cm rotation curve of galaxies into contribution from the disc and dark halo is challenging and depends on the adopted mass to light ratio (M/L) of the disc. There are several traditional methods of determining the stellar M/L but they remain uncertain. One method is the maximum disc hypothesis, where we adopt the largest M/L such that the disc’s contribution to the observed rotation curve does not anywhere exceed the observed...[Show more]
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