Testing the Self-Consistency of MOND With Three-Dimensional Galaxy Kinematics

Details Testing the Self-Consistency of MOND With Three-Dimensional Galaxy Kinematics Testing the Self-Consistency of MOND With Three-Dimensional Galaxy Kinematics

2005-12-02

arxiv.org/abs/astro-ph/0512067v1

Astronomy and Astrophysics

Astrophysics

12 pages, 2 figures

Scientific paper

We propose a technique to test the idea that non-standard dynamics, rather than dark matter halos, might be responsible for the observed rotation curves of spiral galaxies. In the absence of non-luminous matter, a galactic disk's rotational velocity and its vertical velocity dispersion can be used jointly to test the self-consistency of the galaxy's dynamics. A specific illustrative example, using recent measurements of the disk kinematics of M33, shows this to be a promising approach to assess the viability of Modified Newtonian Dynamics (MOND).

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