Black hole mergers from globular clusters observable by LISA I: Eccentric sources originating from relativistic n-body dynamics

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Black hole mergers from globular clusters observable by LISA I : Eccentric sources originating from relativistic n-body dynamics. / Samsing, Johan; D'Orazio, Daniel J.

In: Monthly Notices of the Royal Astronomical Society, Vol. 481, No. 4, 01.12.2018, p. 5445-5450.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Samsing, J & D'Orazio, DJ 2018, 'Black hole mergers from globular clusters observable by LISA I: Eccentric sources originating from relativistic n-body dynamics', Monthly Notices of the Royal Astronomical Society, vol. 481, no. 4, pp. 5445-5450. https://doi.org/10.1093/MNRAS/STY2334

APA

Samsing, J., & D'Orazio, D. J. (2018). Black hole mergers from globular clusters observable by LISA I: Eccentric sources originating from relativistic n-body dynamics. Monthly Notices of the Royal Astronomical Society, 481(4), 5445-5450. https://doi.org/10.1093/MNRAS/STY2334

Vancouver

Samsing J, D'Orazio DJ. Black hole mergers from globular clusters observable by LISA I: Eccentric sources originating from relativistic n-body dynamics. Monthly Notices of the Royal Astronomical Society. 2018 Dec 1;481(4):5445-5450. https://doi.org/10.1093/MNRAS/STY2334

Author

Samsing, Johan ; D'Orazio, Daniel J. / Black hole mergers from globular clusters observable by LISA I : Eccentric sources originating from relativistic n-body dynamics. In: Monthly Notices of the Royal Astronomical Society. 2018 ; Vol. 481, No. 4. pp. 5445-5450.

Bibtex

@article{4d541ba48a784da39f1b45c316cebfc7,
title = "Black hole mergers from globular clusters observable by LISA I: Eccentric sources originating from relativistic n-body dynamics",
abstract = "We show that nearly half of all binary black hole (BBH) mergers dynamically assembled in globular clusters have measurable eccentricities (e > 0.01) in the LISA band (10-2 Hz), when General Relativistic corrections are properly included in the N-body evolution. If only Newtonian gravity is included, the derived fraction of eccentric LISA sources is significantly lower, which explains why recent studies all have greatly underestimated this fraction. Our findings have major implications for how to observationally distinguish between BBH formation channels using eccentricity with LISA, which is one of the key science goals of the mission. We illustrate that the relatively large population of eccentric LISA sources reported here originates from BBHs that merge between hardening binary-single interactions inside their globular cluster. These results indicate a bright future for using LISA to probe the origin of BBH mergers.",
keywords = "Globular clusters: general, Gravitation, Gravitational waves, Stars: kinematics and dynamics",
author = "Johan Samsing and D'Orazio, {Daniel J.}",
year = "2018",
month = dec,
day = "1",
doi = "10.1093/MNRAS/STY2334",
language = "English",
volume = "481",
pages = "5445--5450",
journal = "Royal Astronomical Society. Monthly Notices",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "4",

}

RIS

TY - JOUR

T1 - Black hole mergers from globular clusters observable by LISA I

T2 - Eccentric sources originating from relativistic n-body dynamics

AU - Samsing, Johan

AU - D'Orazio, Daniel J.

PY - 2018/12/1

Y1 - 2018/12/1

N2 - We show that nearly half of all binary black hole (BBH) mergers dynamically assembled in globular clusters have measurable eccentricities (e > 0.01) in the LISA band (10-2 Hz), when General Relativistic corrections are properly included in the N-body evolution. If only Newtonian gravity is included, the derived fraction of eccentric LISA sources is significantly lower, which explains why recent studies all have greatly underestimated this fraction. Our findings have major implications for how to observationally distinguish between BBH formation channels using eccentricity with LISA, which is one of the key science goals of the mission. We illustrate that the relatively large population of eccentric LISA sources reported here originates from BBHs that merge between hardening binary-single interactions inside their globular cluster. These results indicate a bright future for using LISA to probe the origin of BBH mergers.

AB - We show that nearly half of all binary black hole (BBH) mergers dynamically assembled in globular clusters have measurable eccentricities (e > 0.01) in the LISA band (10-2 Hz), when General Relativistic corrections are properly included in the N-body evolution. If only Newtonian gravity is included, the derived fraction of eccentric LISA sources is significantly lower, which explains why recent studies all have greatly underestimated this fraction. Our findings have major implications for how to observationally distinguish between BBH formation channels using eccentricity with LISA, which is one of the key science goals of the mission. We illustrate that the relatively large population of eccentric LISA sources reported here originates from BBHs that merge between hardening binary-single interactions inside their globular cluster. These results indicate a bright future for using LISA to probe the origin of BBH mergers.

KW - Globular clusters: general

KW - Gravitation

KW - Gravitational waves

KW - Stars: kinematics and dynamics

UR - http://www.scopus.com/inward/record.url?scp=85056817437&partnerID=8YFLogxK

U2 - 10.1093/MNRAS/STY2334

DO - 10.1093/MNRAS/STY2334

M3 - Journal article

AN - SCOPUS:85056817437

VL - 481

SP - 5445

EP - 5450

JO - Royal Astronomical Society. Monthly Notices

JF - Royal Astronomical Society. Monthly Notices

SN - 0035-8711

IS - 4

ER -

ID: 236271455