Electromagnetic Emission Post Spinning Black Hole Magnetized Neutron Star Mergers

@article{Zhong2019ElectromagneticEP,
  title={Electromagnetic Emission Post Spinning Black Hole Magnetized Neutron Star Mergers},
  author={S. Q. Zhong and Z. G. Dai and C. M. Deng},
  journal={The Astrophysical Journal},
  year={2019}
}
For a binary composed of a spinning black hole (BH) (with mass $\gtrsim 7M_\odot$) and a strongly magnetized neutron star (NS) (with surface magnetic field strength $B_{\rm S,NS}\gtrsim10^{12}$\,G and mass $\sim 1.4M_\odot$), the NS as a whole will possibly eventually plunge into the BH. During the inspiral phase, the spinning BH could be charged to the Wald charge quantity $Q_{\rm W}$ until merger in an electro-vacuum approximation. During the merger, if the spinning charged BH creates its own… Expand

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References

SHOWING 1-10 OF 64 REFERENCES
Inspiral of a Spinning Black Hole–Magnetized Neutron Star Binary: Increasing Charge and Electromagnetic Emission
  • Z. Dai
  • Physics
  • The Astrophysical Journal
  • 2019
The mergers of black hole (BH)--neutron star (NS) binaries have been one of the most interesting topics in astrophysics, because such events have been thought to possibly produce multimessengerExpand
Mergers of Charged Black Holes: Gravitational Wave Events, Short Gamma-Ray Bursts, and Fast Radio Bursts
The discoveries of GW 150914, GW 151226, and LVT 151012 suggest that double black hole (BH-BH) mergers are common in the universe. If at least one of the two merging black holes carries certainExpand
Charged Compact Binary Coalescence Signal and Electromagnetic Counterpart of Plunging Black Hole–Neutron Star Mergers
If at least one of the members of a compact binary coalescence is charged, the inspiral of the two members would generate a Poynting flux with an increasing power, giving rise to a briefExpand
A long-lived neutron star merger remnant in GW170817: constraints and clues from X-ray observations
Multi-messenger observations of GW170817 have not conclusively established whether the merger remnant is a black hole (BH) or a neutron star (NS). We show that a long-lived magnetized NS with aExpand
Gravitational waves from black hole-neutron star binaries : Classification of waveforms
Using our new numerical-relativity code SACRA, long-term simulations for inspiral and merger of black hole (BH)-neutron star (NS) binaries are performed, focusing particularly on gravitationalExpand
Bright transients from strongly-magnetized neutron star-black hole mergers
Direct detection of black hole-neutron star pairs is anticipated with the advent of aLIGO. Electromagnetic counterparts may be crucial for a confident gravitational-wave detection as well as forExpand
Black hole pulsar
In anticipation of a LIGO detection of a black hole/neutron star merger, we expand on the intriguing possibility of an electromagnetic counterpart. Black hole/Neutron star mergers could beExpand
The Binary Neutron Star Event LIGO/Virgo GW170817 160 Days after Merger: Synchrotron Emission across the Electromagnetic Spectrum
We report deep Chandra, HST and VLA observations of the binary neutron star event GW170817 at $t<160$ d after merger. These observations show that GW170817 has been steadily brightening with time andExpand
Possible role of magnetic reconnection in the electromagnetic counterpart of binary black hole merger
We propose a qualitative scenario to interpret the argued association between the direct measurement of the gravitational wave event GW150914 by Laser Interferometer Gravitational Wave ObservatoryExpand
Pre-merger Electromagnetic Counterparts of Binary Compact Stars
We investigate emission signatures of binary compact star gravitational wave (GW) sources consisting of strongly magnetized neutron stars (NSs) and/or white dwarfs (WDs) in their late-time inspiralExpand
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