LISA and the Existence of a Fast-merging Double Neutron Star Formation Channel

Research output: Contribution to journal › Letter › Research › peer-review

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LISA and the Existence of a Fast-merging Double Neutron Star Formation Channel. / Andrews, Jeff J.; Breivik, Katelyn; Pankow, Chris; D'Orazio, Daniel J.; Safarzadeh, Mohammadtaher.

In: Astrophysical Journal Letters, Vol. 892, No. 1, 9, 20.03.2020.

Research output: Contribution to journal › Letter › Research › peer-review

Harvard

Andrews, JJ, Breivik, K, Pankow, C, D'Orazio, DJ & Safarzadeh, M 2020, 'LISA and the Existence of a Fast-merging Double Neutron Star Formation Channel', Astrophysical Journal Letters, vol. 892, no. 1, 9. https://doi.org/10.3847/2041-8213/ab5b9a

APA

Andrews, J. J., Breivik, K., Pankow, C., D'Orazio, D. J., & Safarzadeh, M. (2020). LISA and the Existence of a Fast-merging Double Neutron Star Formation Channel. Astrophysical Journal Letters, 892(1), [9]. https://doi.org/10.3847/2041-8213/ab5b9a

Vancouver

Andrews JJ, Breivik K, Pankow C, D'Orazio DJ, Safarzadeh M. LISA and the Existence of a Fast-merging Double Neutron Star Formation Channel. Astrophysical Journal Letters. 2020 Mar 20;892(1). 9. https://doi.org/10.3847/2041-8213/ab5b9a

Author

Andrews, Jeff J. ; Breivik, Katelyn ; Pankow, Chris ; D'Orazio, Daniel J. ; Safarzadeh, Mohammadtaher. / LISA and the Existence of a Fast-merging Double Neutron Star Formation Channel. In: Astrophysical Journal Letters. 2020 ; Vol. 892, No. 1.

Bibtex

@article{3a5cc04214aa4b5cbbc9f7b7fd8ce44f,
title = "LISA and the Existence of a Fast-merging Double Neutron Star Formation Channel",
abstract = "Using a Milky Way (MW) double neutron star (DNS) merger rate of 210 Myr(-1), as derived by the Laser Interferometer Gravitational-Wave Observatory (LIGO), we demonstrate that the Laser Interferometer Space Antenna (LISA) will detect on average 240 (330) DNSs within the MW for a 4 yr (8 yr) mission with a signal-to-noise ratio greater than 7. Even adopting a more pessimistic rate of 42 Myr(-1), as derived by the population of Galactic DNSs, we find a significant detection of 46 (65) MW DNSs. These DNSs can be leveraged to constrain formation scenarios. In particular, without prior information on a particular system's position and orbital period, traditional NS-discovery methods using radio telescopes alone are insensitive to DNSs with P-orb less than or similar to 1 hr (merger times less than or similar to 10 Myr). If a fast-merging channel exists that forms DNSs at these short orbital periods, LISA affords, perhaps, the best opportunity to observationally identify and characterize these systems; we show that toy models for possible formation scenarios leave imprints on DNS orbital eccentricities, which may be measured by LISA for values as small as similar to 10(-2).",
keywords = "Neutron stars, Gravitational waves, Gravitational wave detectors, Binary pulsars, BLACK-HOLE MERGERS, GAMMA-RAY BURSTS, GLOBULAR-CLUSTERS, GRAVITATIONAL-RADIATION, ECCENTRIC SOURCES, COMPACT BINARIES, EVOLUTION, PULSAR, RATES, PROGENITORS",
author = "Andrews, {Jeff J.} and Katelyn Breivik and Chris Pankow and D'Orazio, {Daniel J.} and Mohammadtaher Safarzadeh",
year = "2020",
month = mar,
day = "20",
doi = "10.3847/2041-8213/ab5b9a",
language = "English",
volume = "892",
journal = "The Astrophysical Journal Letters",
issn = "2041-8205",
publisher = "IOP Publishing",
number = "1",

}

RIS

TY - JOUR

T1 - LISA and the Existence of a Fast-merging Double Neutron Star Formation Channel

AU - Andrews, Jeff J.

AU - Breivik, Katelyn

AU - Pankow, Chris

AU - D'Orazio, Daniel J.

AU - Safarzadeh, Mohammadtaher

PY - 2020/3/20

Y1 - 2020/3/20

N2 - Using a Milky Way (MW) double neutron star (DNS) merger rate of 210 Myr(-1), as derived by the Laser Interferometer Gravitational-Wave Observatory (LIGO), we demonstrate that the Laser Interferometer Space Antenna (LISA) will detect on average 240 (330) DNSs within the MW for a 4 yr (8 yr) mission with a signal-to-noise ratio greater than 7. Even adopting a more pessimistic rate of 42 Myr(-1), as derived by the population of Galactic DNSs, we find a significant detection of 46 (65) MW DNSs. These DNSs can be leveraged to constrain formation scenarios. In particular, without prior information on a particular system's position and orbital period, traditional NS-discovery methods using radio telescopes alone are insensitive to DNSs with P-orb less than or similar to 1 hr (merger times less than or similar to 10 Myr). If a fast-merging channel exists that forms DNSs at these short orbital periods, LISA affords, perhaps, the best opportunity to observationally identify and characterize these systems; we show that toy models for possible formation scenarios leave imprints on DNS orbital eccentricities, which may be measured by LISA for values as small as similar to 10(-2).

AB - Using a Milky Way (MW) double neutron star (DNS) merger rate of 210 Myr(-1), as derived by the Laser Interferometer Gravitational-Wave Observatory (LIGO), we demonstrate that the Laser Interferometer Space Antenna (LISA) will detect on average 240 (330) DNSs within the MW for a 4 yr (8 yr) mission with a signal-to-noise ratio greater than 7. Even adopting a more pessimistic rate of 42 Myr(-1), as derived by the population of Galactic DNSs, we find a significant detection of 46 (65) MW DNSs. These DNSs can be leveraged to constrain formation scenarios. In particular, without prior information on a particular system's position and orbital period, traditional NS-discovery methods using radio telescopes alone are insensitive to DNSs with P-orb less than or similar to 1 hr (merger times less than or similar to 10 Myr). If a fast-merging channel exists that forms DNSs at these short orbital periods, LISA affords, perhaps, the best opportunity to observationally identify and characterize these systems; we show that toy models for possible formation scenarios leave imprints on DNS orbital eccentricities, which may be measured by LISA for values as small as similar to 10(-2).

KW - Neutron stars

KW - Gravitational waves

KW - Gravitational wave detectors

KW - Binary pulsars

KW - BLACK-HOLE MERGERS

KW - GAMMA-RAY BURSTS

KW - GLOBULAR-CLUSTERS

KW - GRAVITATIONAL-RADIATION

KW - ECCENTRIC SOURCES

KW - COMPACT BINARIES

KW - EVOLUTION

KW - PULSAR

KW - RATES

KW - PROGENITORS

U2 - 10.3847/2041-8213/ab5b9a

DO - 10.3847/2041-8213/ab5b9a

M3 - Letter

VL - 892

JO - The Astrophysical Journal Letters

JF - The Astrophysical Journal Letters

SN - 2041-8205

IS - 1

M1 - 9

ER -

ID: 247442430