SIMBAD references

2011ApJ...741L..31P - Astrophys. J., 741, L31 (2011/November-2)

Cause of spiral galaxy rotation rates: a massive graviton.

PESTANA J.L.G. and ECKHARDT D.H.

Abstract (from CDS):

We attribute the observed rotational velocity profiles of spiral galaxy disks to a combination of Newtonian and exponential gravitational potentials. We offer a novel, yet perfectly plausible, Lagrangian from which the exponential potential is derived. The exponential potential is defined by two universal constants (corresponding to a coupling constant and a graviton mass) that we determine from our sample of 12 THINGS disks. All velocity profile fits are excellent.

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Journal keyword(s): dark matter - elementary particles - galaxies: dwarf - galaxies: kinematics and dynamics - galaxies: spiral - gravitation

Simbad objects: 19

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