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Title: Neutron-star–black-hole binaries produced by binary-driven hypernovae

Abstract

Here, binary-driven hypernovae (BdHNe) within the induced gravitational collapse paradigm have been introduced to explain energetic (Eiso ≳1052 erg), long gamma-ray bursts (GRBs) associated with type Ic supernovae (SNe). The progenitor is a tight binary composed of a carbon-oxygen (CO) core and a neutron-star (NS) companion, a subclass of the newly proposed “ultrastripped” binaries. The CO-NS short-period orbit causes the NS to accrete appreciable matter from the SN ejecta when the CO core collapses, ultimately causing it to collapse to a black hole (BH) and producing a GRB. These tight binaries evolve through the SN explosion very differently than compact binaries studied in population synthesis calculations. First, the hypercritical accretion onto the NS companion alters both the mass and the momentum of the binary. Second, because the explosion time scale is on par with the orbital period, the mass ejection cannot be assumed to be instantaneous. This dramatically affects the post-SN fate of the binary. Finally, the bow shock created as the accreting NS plows through the SN ejecta transfers angular momentum, braking the orbit. These systems remain bound even if a large fraction of the binary mass is lost in the explosion (well above the canonical 50% limit), andmore » even large kicks are unlikely to unbind the system. Indeed, BdHNe produce a new family of NS-BH binaries unaccounted for in current population synthesis analyses and, although they may be rare, the fact that nearly 100% remain bound implies that they may play an important role in the compact merger rate, important for gravitational waves that, in turn, can produce a new class of ultrashort GRBs.« less

Authors:
 [1];  [2];  [3];  [3]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Sapienza Univ. di Roma, Rome (Italy); ICRA Net, Pescara (Italy); Univ. de Nice, Nice (France)
  3. Sapienza Univ. di Roma, Rome (Italy); ICRA Net, Pescara (Italy); Univ. de Nice, Nice (France); ICRANet-Rio, Rio de Janeiro (Brazil)
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1329684
Alternate Identifier(s):
OSTI ID: 1230067
Report Number(s):
LA-UR-15-23375
Journal ID: ISSN 0031-9007; PRLTAO
Grant/Contract Number:  
AC52-06NA25396; W-7405-ENG-36
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 115; Journal Issue: 23; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; astronomy and astrophysics; type Ic supernovae; hypercritical accretion; induced gravitational collapse; gamma ray bursts; gravitational waves

Citation Formats

Fryer, Chris L., Oliveira, F. G., Rueda, Jorge A., and Ruffini, Remo. Neutron-star–black-hole binaries produced by binary-driven hypernovae. United States: N. p., 2015. Web. doi:10.1103/PhysRevLett.115.231102.
Fryer, Chris L., Oliveira, F. G., Rueda, Jorge A., & Ruffini, Remo. Neutron-star–black-hole binaries produced by binary-driven hypernovae. United States. https://doi.org/10.1103/PhysRevLett.115.231102
Fryer, Chris L., Oliveira, F. G., Rueda, Jorge A., and Ruffini, Remo. 2015. "Neutron-star–black-hole binaries produced by binary-driven hypernovae". United States. https://doi.org/10.1103/PhysRevLett.115.231102. https://www.osti.gov/servlets/purl/1329684.
@article{osti_1329684,
title = {Neutron-star–black-hole binaries produced by binary-driven hypernovae},
author = {Fryer, Chris L. and Oliveira, F. G. and Rueda, Jorge A. and Ruffini, Remo},
abstractNote = {Here, binary-driven hypernovae (BdHNe) within the induced gravitational collapse paradigm have been introduced to explain energetic (Eiso ≳1052 erg), long gamma-ray bursts (GRBs) associated with type Ic supernovae (SNe). The progenitor is a tight binary composed of a carbon-oxygen (CO) core and a neutron-star (NS) companion, a subclass of the newly proposed “ultrastripped” binaries. The CO-NS short-period orbit causes the NS to accrete appreciable matter from the SN ejecta when the CO core collapses, ultimately causing it to collapse to a black hole (BH) and producing a GRB. These tight binaries evolve through the SN explosion very differently than compact binaries studied in population synthesis calculations. First, the hypercritical accretion onto the NS companion alters both the mass and the momentum of the binary. Second, because the explosion time scale is on par with the orbital period, the mass ejection cannot be assumed to be instantaneous. This dramatically affects the post-SN fate of the binary. Finally, the bow shock created as the accreting NS plows through the SN ejecta transfers angular momentum, braking the orbit. These systems remain bound even if a large fraction of the binary mass is lost in the explosion (well above the canonical 50% limit), and even large kicks are unlikely to unbind the system. Indeed, BdHNe produce a new family of NS-BH binaries unaccounted for in current population synthesis analyses and, although they may be rare, the fact that nearly 100% remain bound implies that they may play an important role in the compact merger rate, important for gravitational waves that, in turn, can produce a new class of ultrashort GRBs.},
doi = {10.1103/PhysRevLett.115.231102},
url = {https://www.osti.gov/biblio/1329684}, journal = {Physical Review Letters},
issn = {0031-9007},
number = 23,
volume = 115,
place = {United States},
year = {Fri Dec 04 00:00:00 EST 2015},
month = {Fri Dec 04 00:00:00 EST 2015}
}

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Cited by: 36 works
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Works referenced in this record:

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journal, December 2006


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book, March 2003


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conference, December 2017


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conference, January 2006


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text, January 2012


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preprint, January 2015


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text, January 2015


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text, January 2006


Works referencing / citing this record:

On the Induced Gravitational Collapse Scenario of Gamma-Ray Bursts Associated with Supernovae
journal, December 2016


Early X-Ray Flares in GRBs
journal, January 2018


Neutrino Oscillations within the Induced Gravitational Collapse Paradigm of Long Gamma-Ray Bursts
journal, January 2018


On the Rate and on the Gravitational Wave Emission of Short and Long GRBs
journal, May 2018


A GRB Afterglow Model Consistent with Hypernova Observations
journal, December 2018


SPH Simulations of the Induced Gravitational Collapse Scenario of Long Gamma-Ray Bursts Associated with Supernovae
journal, January 2019


Two Predictions of Supernova: GRB 130427A/SN 2013cq and GRB 180728A/SN 2018fip
journal, March 2019


On the Role of a Cavity in the Hypernova Ejecta of GRB 190114C
journal, October 2019