Subhalo sinking and off-centre massive black holes in dwarf galaxies
2020 ◽
Vol 495
(1)
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pp. L12-L16
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ABSTRACT Using fully GPU N-body simulations, we demonstrate for the first time that subhaloes sink and transfer energy via dynamical friction into the centres of dwarf galaxies. This dynamical heating kicks any central massive black hole out to tens of parsecs, especially at early epochs (z = 1.5–3). This mechanism helps explain the observed off-centre black holes (BHs) in dwarf galaxies and also predicts that off-centre BHs are more common in higher mass dwarf galaxies since dynamical friction becomes significantly weaker and BHs take more time to sink back towards the centres of their host galaxies. One consequence of off-centre BHs during early epochs of dwarf galaxies is to quench any BH feedback.
2020 ◽
Vol 496
(1)
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pp. 921-932
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2019 ◽
Vol 15
(S356)
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pp. 376-376
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2005 ◽
Vol 363
(1828)
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pp. 705-713
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1998 ◽
Vol 184
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pp. 397-398
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Tidal disruption events from massive black hole binaries: predictions for ongoing and future surveys
2019 ◽
Vol 488
(3)
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pp. 4042-4060
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Keyword(s):
X Ray
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2016 ◽
Vol 12
(S324)
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pp. 132-133
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2009 ◽
Vol 5
(S267)
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pp. 26-33
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