Rotational velocity curves in the Milky Way as a test of modified gravity

Nov 24, 2014
3 pages
Published in:
  • Phys.Rev.D 91 (2015) 4, 043004
  • Published: Feb 17, 2015
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Abstract: (APS)

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 5×1010M. The velocity rotation curve predicted by modified Newtonian dynamics does not agree with the data.

Note:
  • 5 pages, 1 figure; reformatted, misprints corrected
  • 98.35.Df
  • 04.50.Kd