Double gravitational wave mergers

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Double gravitational wave mergers. / Samsing, Johan; Ilan, Teva.

I: Monthly Notices of the Royal Astronomical Society, Bind 482, Nr. 1, 01.01.2019, s. 30-39.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Samsing, J & Ilan, T 2019, 'Double gravitational wave mergers', Monthly Notices of the Royal Astronomical Society, bind 482, nr. 1, s. 30-39. https://doi.org/10.1093/mnras/sty2249

APA

Samsing, J., & Ilan, T. (2019). Double gravitational wave mergers. Monthly Notices of the Royal Astronomical Society, 482(1), 30-39. https://doi.org/10.1093/mnras/sty2249

Vancouver

Samsing J, Ilan T. Double gravitational wave mergers. Monthly Notices of the Royal Astronomical Society. 2019 jan. 1;482(1):30-39. https://doi.org/10.1093/mnras/sty2249

Author

Samsing, Johan ; Ilan, Teva. / Double gravitational wave mergers. I: Monthly Notices of the Royal Astronomical Society. 2019 ; Bind 482, Nr. 1. s. 30-39.

Bibtex

@article{e88fb071960c417ea62ec2c9a20ec427,
title = "Double gravitational wave mergers",
abstract = "In this paper we study the dynamical outcome in which black hole (BH) binary-single interactions lead to two successive gravitational wave (GW) mergers, a scenario we refer to as a 'double GWmerger'. The first GW merger happens during the three-body interaction through a two-body GW capture, where the second GW merger is between the BH formed in the first GW merger and the remaining bound single BH. We estimate the probability for observing both GW mergers, and for observing only the second merger that we refer to as a 'prompt second-generation (2G) merger'. We find that the probability for observing both GW mergers is only notable for co-planar interactions with low GW kicks (≲ 101 - 102 km s-1), which suggests that double GW mergers can be used to probe environments facilitating such interactions. For isotropic encounters, such as the one found in globular clusters, the probability for prompt 2G mergers to form is only at the percent level, suggesting that second-generation mergers are most likely to be between BHs which have swapped partners at least once.",
keywords = "Gravitation, Gravitational waves, Stars: kinematics and dynamics",
author = "Johan Samsing and Teva Ilan",
year = "2019",
month = jan,
day = "1",
doi = "10.1093/mnras/sty2249",
language = "English",
volume = "482",
pages = "30--39",
journal = "Royal Astronomical Society. Monthly Notices",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "1",

}

RIS

TY - JOUR

T1 - Double gravitational wave mergers

AU - Samsing, Johan

AU - Ilan, Teva

PY - 2019/1/1

Y1 - 2019/1/1

N2 - In this paper we study the dynamical outcome in which black hole (BH) binary-single interactions lead to two successive gravitational wave (GW) mergers, a scenario we refer to as a 'double GWmerger'. The first GW merger happens during the three-body interaction through a two-body GW capture, where the second GW merger is between the BH formed in the first GW merger and the remaining bound single BH. We estimate the probability for observing both GW mergers, and for observing only the second merger that we refer to as a 'prompt second-generation (2G) merger'. We find that the probability for observing both GW mergers is only notable for co-planar interactions with low GW kicks (≲ 101 - 102 km s-1), which suggests that double GW mergers can be used to probe environments facilitating such interactions. For isotropic encounters, such as the one found in globular clusters, the probability for prompt 2G mergers to form is only at the percent level, suggesting that second-generation mergers are most likely to be between BHs which have swapped partners at least once.

AB - In this paper we study the dynamical outcome in which black hole (BH) binary-single interactions lead to two successive gravitational wave (GW) mergers, a scenario we refer to as a 'double GWmerger'. The first GW merger happens during the three-body interaction through a two-body GW capture, where the second GW merger is between the BH formed in the first GW merger and the remaining bound single BH. We estimate the probability for observing both GW mergers, and for observing only the second merger that we refer to as a 'prompt second-generation (2G) merger'. We find that the probability for observing both GW mergers is only notable for co-planar interactions with low GW kicks (≲ 101 - 102 km s-1), which suggests that double GW mergers can be used to probe environments facilitating such interactions. For isotropic encounters, such as the one found in globular clusters, the probability for prompt 2G mergers to form is only at the percent level, suggesting that second-generation mergers are most likely to be between BHs which have swapped partners at least once.

KW - Gravitation

KW - Gravitational waves

KW - Stars: kinematics and dynamics

UR - http://www.scopus.com/inward/record.url?scp=85057194260&partnerID=8YFLogxK

U2 - 10.1093/mnras/sty2249

DO - 10.1093/mnras/sty2249

M3 - Journal article

AN - SCOPUS:85057194260

VL - 482

SP - 30

EP - 39

JO - Royal Astronomical Society. Monthly Notices

JF - Royal Astronomical Society. Monthly Notices

SN - 0035-8711

IS - 1

ER -

ID: 236271176