Recoiling black holes in static and evolving dark matter halo potential
We follow trajectories of kicked black holes in static and evolving dark matter halo potential. We explore both NFW and Einasto dark matter density distributions. Considered dark matter halos represent hosts of massive spiral and elliptical field galaxies. We study critical amplitude of kick velocit...
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Published in | Serbian astronomical journal. Vol. 2015; no. 191; pp. 17 - 28 |
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Main Author | |
Format | Journal Article |
Language | English |
Published |
Astronomical Observatory of Belgrade
01.01.2015
Astronomical Observatory, Department of Astronomy, Belgrade |
Subjects | |
Online Access | Get full text |
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Abstract | We follow trajectories of kicked black holes in static and evolving dark
matter halo potential. We explore both NFW and Einasto dark matter density
distributions. Considered dark matter halos represent hosts of massive spiral
and elliptical field galaxies. We study critical amplitude of kick velocity
necessary for complete black hole ejection at various redshifts and find that
~40% lower kick velocities can remove black holes from their host haloes at z
= 7 compared to z = 1. The greatest difference between static and evolving
potential occurs near the critical velocity for black hole ejection and at
high redshifts. When NFW and Einasto density distributions are compared ~30%
higher kick velocities are needed for complete removal of BHs from dark
matter halo described by NFW profile. |
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AbstractList | We follow trajectories of kicked black holes in static and evolving dark
matter halo potential. We explore both NFW and Einasto dark matter density
distributions. Considered dark matter halos represent hosts of massive spiral
and elliptical field galaxies. We study critical amplitude of kick velocity
necessary for complete black hole ejection at various redshifts and find that
~40% lower kick velocities can remove black holes from their host haloes at z
= 7 compared to z = 1. The greatest difference between static and evolving
potential occurs near the critical velocity for black hole ejection and at
high redshifts. When NFW and Einasto density distributions are compared ~30%
higher kick velocities are needed for complete removal of BHs from dark
matter halo described by NFW profile. We follow trajectories of kicked black holes in static and evolving dark matter halo potential. We explore both NFW and Einasto dark matter density distributions. Considered dark matter halos represent hosts of massive spiral and elliptical field galaxies. We study critical amplitude of kick velocity necessary for complete black hole ejection at various redshifts and find that ~40% lower kick velocities can remove black holes from their host haloes at z = 7 compared to z = 1. The greatest difference between static and evolving potential occurs near the critical velocity for black hole ejection and at high redshifts. When NFW and Einasto density distributions are compared ~30% higher kick velocities are needed for complete removal of BHs from dark matter halo described by NFW profile. [Projekat Ministarstva nauke Republike Srbije, br. 176021: Visible and invisible matter in nearby galaxies: Theory and observations] We follow trajectories of kicked black holes in static and evolving dark matter halo potential. We explore both NFW and Einasto dark matter density distributions. The considered dark matter halos represent hosts of massive spiral and elliptical field galaxies. We study the critical amplitude of kick velocity necessary for complete black hole ejection at various redshifts and find that ~ 40% lower kick velocities can remove black holes from their host haloes at z = 7 compared to z =1. The greatest difference between the static and evolving potential occurs near the critical velocity for black hole ejection and at high redshifts. When NFW and Einasto density distributions are compared ~ 30% higher kick velocities are needed for complete removal of BHs from dark matter halo described by the NFW profile. Key words. dark matter--galaxies: halos--black hole physics--gravitational waves [TEXT NOT REPRODUCIBLE IN ASCII] |
Audience | Academic |
Author | Smole, M. |
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SubjectTerms | Analysis black hole physics Black holes (Astronomy) dark matter Dark matter (Astronomy) galaxies: halos gravitational waves |
Title | Recoiling black holes in static and evolving dark matter halo potential |
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