Rotational velocity curves in the Milky Way as a test of modified gravity
J. W. MoffatDepartment of Physics and Astronomy, University of Waterloo, Waterloo, Ontario N2L 3G1, CanadaViktor T. TothPerimeter Institute for Theoretical Physics, Waterloo, Ontario N2L 2Y5, Canada
2015en
ABI
Abstract
Galaxy rotation curves determined observationally out to a radius well beyond the galaxy cores can provide a critical test of modified gravity models without dark matter. The predicted rotational velocity curve obtained from scalar-vector-tensor gravity is in excellent agreement with data for the Milky Way without a dark matter halo, with a mass of $5\ifmmode\times\else\texttimes\fi{}1{0}^{10}{M}_{\ensuremath{\bigodot}}$. The velocity rotation curve predicted by modified Newtonian dynamics does not agree with the data.
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