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Sonic-Point Model of Kilohertz Quasi-periodic Brightness Oscillations in Low-Mass X-Ray Binaries
Quasi-periodic brightness oscillations (QPOs) with frequencies ranging from ~300 to ~1200 Hz have been discovered in the X-ray emission from 14 neutron stars in low-mass binary systems and fromExpand
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Production of intermediate-mass black holes in globular clusters
The discovery of numerous non-nuclear X-ray point sources with luminosities L>1039 erg s−1 in several starburst galaxies has stimulated speculation about their nature and origin. The strongExpand
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Modeling Kicks from the Merger of Generic Black Hole Binaries
ABSTRACT Recent numerical relativistic results demonstrate that the merger of comparable-mass spinning black holes has a maximum "recoil kick" of up to N 4000 km s-l. However the scaling of theseExpand
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An abrupt drop in the coherence of the lower kHz quasi-periodic oscillations in 4U 1636-536
Using archival data from the Rossi X-ray Timing Explorer (RXTE), we study in a systematic way the variation of the quality factor (Q = ν/�ν , �ν , full width at half maximum) and amplitude of theExpand
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Binary Encounters with Supermassive Black Holes: Zero-Eccentricity LISA Events
Current simulations of the rate at which stellar-mass compact objects merge with supermassive black holes (called extreme mass ratio in-spirals, or EMRIs) focus on two-body capture by emission ofExpand
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Evidence for Antipodal Hot Spots During X-Ray Bursts from 4U 1636–536
The discovery of high-frequency brightness oscillations in thermonuclear X-ray bursts from several neutron star low-mass X-ray binaries has important implications for the beat frequency model ofExpand
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Soft X-ray Temperature Tidal Disruption Events from Stars on Deep Plunging Orbits
One of the puzzles associated with tidal disruption event candidates (TDEs) is that there is a dichotomy between the color temperatures of ${\rm few}\times 10^4$~K for TDEs discovered with opticalExpand
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Gravitational Radiation from Intermediate-Mass Black Holes
Recent X-ray observations of galaxies with ROSAT, ASCA, and Chandra have revealed numerous bright off-center point sources that, if isotropic emitters, are likely to be intermediate-mass black holes,Expand
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The coherence of kilohertz quasi-periodic oscillations in the X-rays from accreting neutron stars
We study in a systematic way the quality factor of the lower and upper kilohertz quasi-periodic oscillations (kHz QPOs) in a sample of low-luminosity neutron star X-ray binaries, showing both QPOsExpand
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Getting a Kick Out of Numerical Relativity
Recent developments in numerical relativity have made it possible to reliably follow the coalescence of two black holes from near the innermost stable circular orbit to final ringdown. This opens upExpand
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