Consequences of gravitational radiation recoil

David Merritt, Miloš Milosavljević, Marc Favata, Scott A. Hughes, Daniel E. Holz

Research output: Contribution to journalArticleResearchpeer-review

196 Citations (Scopus)

Abstract

Coalescing binary black holes experience an impulsive kick from anisotropic emission of gravitational waves. Recoil velocities are sufficient to eject most coalescing black holes from dwarf galaxies and globular clusters, which may explain the apparent absence of massive black holes in these systems. Ejection from giant elliptical galaxies would be rare, but coalescing black holes are displaced from the center and fall back on a timescale of order the half-mass crossing time. Displacement of the black holes transfers energy to the stars in the nucleus and can convert a steep density cusp into a core. Radiation recoil calls into question models that grow supermassive black holes from hierarchical mergers of stellar-mass precursors.

Original languageEnglish
JournalAstrophysical Journal
Volume607
Issue number1 II
DOIs
StatePublished - 20 May 2004

Fingerprint

gravitational waves
merger
coalescing
timescale
energy
elliptical galaxies
dwarf galaxies
globular clusters
stellar mass
cusps
ejection
radiation
energy transfer
stars
nuclei

Keywords

  • Black hole physics
  • Galaxies: nuclei
  • Gravitation
  • Gravitational waves

Cite this

Merritt, D., Milosavljević, M., Favata, M., Hughes, S. A., & Holz, D. E. (2004). Consequences of gravitational radiation recoil. Astrophysical Journal, 607(1 II). https://doi.org/10.1086/421551
Merritt, David ; Milosavljević, Miloš ; Favata, Marc ; Hughes, Scott A. ; Holz, Daniel E. / Consequences of gravitational radiation recoil. In: Astrophysical Journal. 2004 ; Vol. 607, No. 1 II.
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Merritt, D, Milosavljević, M, Favata, M, Hughes, SA & Holz, DE 2004, 'Consequences of gravitational radiation recoil', Astrophysical Journal, vol. 607, no. 1 II. https://doi.org/10.1086/421551

Consequences of gravitational radiation recoil. / Merritt, David; Milosavljević, Miloš; Favata, Marc; Hughes, Scott A.; Holz, Daniel E.

In: Astrophysical Journal, Vol. 607, No. 1 II, 20.05.2004.

Research output: Contribution to journalArticleResearchpeer-review

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T1 - Consequences of gravitational radiation recoil

AU - Merritt, David

AU - Milosavljević, Miloš

AU - Favata, Marc

AU - Hughes, Scott A.

AU - Holz, Daniel E.

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KW - Black hole physics

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Merritt D, Milosavljević M, Favata M, Hughes SA, Holz DE. Consequences of gravitational radiation recoil. Astrophysical Journal. 2004 May 20;607(1 II). https://doi.org/10.1086/421551