Computer Science – Performance
Scientific paper
Aug 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003basbr..23..148d&link_type=abstract
Boletim da Sociedade Astronômica Brasileira (ISSN 0101-3440), vol.23, no.1, p. 148-148
Computer Science
Performance
Scientific paper
In the last decade, several observational evidences have indicated that supermassive black holes in the center of galaxies are ubiquitous. Relatively stable binary central black holes are also possible to exist in galaxies within a Hubble time. In this work we investigated the Fundamental Plane (FP) relation resulting from merger remnants of progenitor galaxies with supermassive central black holes and dark matter halos. To that aim we performed several high-resolution dissipationless N-body simulations with different orbital conditions for the merging galaxies, using high-performance, parallel computing. The starting distance of the merging galaxies was ~4 effective radii (~70 kpc) apart from each other and the simulations evolved up to the moment when the two central black holes were about 5 times the softening radius (~0.03 kpc) of the particle representing the black hole. At this time, the merger remnant was already in approximate virial equilibrium. The kinematics and structural characteristics of the resulting galaxy with a binary central black hole were then analyzed. Preliminary results indicate that the resulting FP is approximately similar to that resulting from mergers of progenitors without black holes.
Bierrenbach Lima Neto Gastão
Capelato Hugo V.
Dantas Christine C.
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