34 citations · 70 across the 5 of their papers we have counts for
6 papers
The distribution of dark and luminous matter inferred from extended rotation curves
Roelof Bottema, Jose Luis G. Pestana
A better understanding of the formation of mass structures in the universe can be obtained by determining the amount and distribution of dark and luminous matter in spiral galaxies…
Cause of Spiral Galaxy Rotation Rates: a Massive Graviton
José Luis G. Pestaña, Donald H. Eckhardt
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 perfectl…
The Futile Search for Galactic Disk Dark Matter
José Luis G. Pestaña, Donald H. Eckhardt
Several approaches have been used to search for dark matter in our galactic disk, but with mixed results: {\em maybe yes and maybe no}. The prevailing approach, integrating the Poi…
Substructure lensing in galaxy clusters as a constraint on low-mass sterile neutrinos in tensor-vector-scalar theory: The straight arc of Abell 2390
Martin Feix, HongSheng Zhao, Cosimo Fedeli +2
Certain covariant theories of the modified Newtonian dynamics paradigm seem to require an additional hot dark matter (HDM) component - in the form of either heavy ordinary neutrino…
Cosmological implications of massive gravitons
Donald H. Eckhardt, José Luis G. Pestaña, Ephraim Fischbach
The van Dam-Veltman-Zakharov (vDVZ) discontinuity requires that the mass of the graviton is exactly zero, otherwise measurements of the deflection of starlight by the Sun and t…
MOND rotation curves for spiral galaxies with Cepheid-based distances
Roelof Bottema, Jose L. G. Pestana, Barry Rothberg +1
Rotation curves for four spiral galaxies with recently determined Cepheid-based distances are reconsidered in terms of modified Newtonian dynamics (MOND). For two of the objects, N…