J. Pacheco

Capture rates of compact objects by supermassive black holes

Capture rates of compact objects were calculated by using a recent solution of the Fokker-Planck equation in energy-space, including two-body resonant effects. The fraction of compact objects (white dwarfs, neutron stars and stellar black holes) was estimated as a function of the luminosity of the galaxy from a new grid of evolutionary models. Stellar mass densities at the influence radius of central supermassive black holes were derived from brightness profiles obtained by Hubble Space Telescope observations. The present study indicates that the capture rates scale as

Visser’s massive graviton bimetric theory revisited

\propto M_{bh}^{-1.048}

VIRGO detector optimization for gravitational waves by inspiralling binaries

, consequence of the fact that dwarf galaxies have denser central regions than luminous objects. If the mass distribution of supermassive black holes has a lower cutoff at

Capture of compact objects by supermassive black holes

\sim 1.4\times 10^6