New binary black hole mergers in the LIGO-Virgo O3a data

Olsen, Seth; Venumadhav, Tejaswi; Mushkin, Jonathan; Roulet, Javier; Zackay, Barak; Zaldarriaga, Matías

doi:10.1103/physrevd.106.043009

Cited by 106 publications

(35 citation statements)

References 154 publications

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“…These detections are consistent with the inspiral and subsequent merger and ringdown of coalescing compact binaries, including binary black hole (BBH), binary neutron star, and neutron starblack hole systems (Abbott et al 2019a(Abbott et al , 2021a(Abbott et al , 2021b(Abbott et al , 2021c. Analyses of the publicly available strain data have yielded additional likely detections (Venumadhav et al 2020;Nitz et al 2021;Olsen et al 2022). BBH mergers constitute the majority of the detections thus far.…”

Section: Introductionsupporting

confidence: 60%

A Rosetta Stone for Eccentric Gravitational Waveform Models

Knee

Romero-Shaw

Lasky

et al. 2022

ApJ

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Orbital eccentricity is a key signature of dynamical binary black hole formation. The gravitational waves from a coalescing binary contain information about its orbital eccentricity, which may be measured if the binary retains sufficient eccentricity near merger. Dedicated waveforms are required to measure eccentricity. Several models have been put forward, and show good agreement with numerical relativity at the level of a few percent or better. However, there are multiple ways to define eccentricity for inspiralling systems, and different models internally use different definitions of eccentricity, making it difficult to compare eccentricity measurements directly. In this work, we systematically compare two eccentric waveform models, SEOBNRE and TEOBResumS, by developing a framework to translate between different definitions of eccentricity. This mapping is constructed by minimizing the relative mismatch between the two models over eccentricity and reference frequency, before evolving the eccentricity of one model to the same reference frequency as the other model. We show that for a given value of eccentricity passed to SEOBNRE, one must input a 20%–50% smaller value of eccentricity to TEOBResumS in order to obtain a waveform with the same empirical eccentricity. We verify this mapping by repeating our analysis for eccentric numerical relativity simulations, demonstrating that TEOBResumS reports a correspondingly smaller value of eccentricity than SEOBNRE.

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Section: Introductionsupporting

confidence: 60%

A Rosetta Stone for Eccentric Gravitational Waveform Models

Knee

Romero-Shaw

Lasky

et al. 2022

ApJ

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“…Advanced LIGO and Virgo have completed three observational runs from 2015 to 2020 and released around ninety GW events in the Gravitational Wave Transient Catalog (Abbott et al 2021c). Additional detections were reported by independent groups (Nitz et al 2021;Olsen et al 2022). This work utilizes the GW search results from the fourth Open Gravitational-wave Catalog (4-OGC, Nitz et al 2021).…”

Section: Candidate Selection and Ranking Statisticmentioning

confidence: 85%

Search for Coincident Gravitational Wave and Long Gamma-Ray Bursts from 4-OGC and the Fermi-GBM/Swift-BAT Catalog

Wang¹,

Nitz²,

Capano³

et al. 2022

Preprint

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The recent discovery of a kilonova associated with an apparent long-duration gamma-ray burst has challenged the typical classification that long gamma-ray bursts originate from the core collapse of massive stars and short gamma-ray bursts are from compact binary coalescence. The kilonova indicates a neutron star merger origin and suggests the viability of gravitational-wave and long gamma-ray burst multimessenger astronomy. Gravitational waves play a crucial role by providing independent information for the source properties. This work revisits the archival 2015-2020 LIGO/Virgo gravitational-wave candidates from the 4-OGC catalog which are consistent with a binary neutron star or neutron starblack hole merger and the long-duration gamma-ray bursts from the Fermi and Swift catalogs. We search for spatial and temporal coincidence with up to 10 s time lag between gravitational-wave candidates and the onset of long-duration GRBs. The most significant candidate association has only a false alarm rate of once every two years; given the LIGO/Virgo observational period, this is consistent with a null result. We report an exclusion distance for each search candidate for a fiducial gravitational-wave signal and conservative viewing angle assumptions.

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“…The LIGO-Virgo-KAGRA (LVK) collaboration has reported 90 GW observations from compact-binary coalescences up to the third Gravitational-Wave Transient Catalog (Abbott et al 2021a). Independent groups have searched the public data (Vallisneri et al 2015;Abbott et al 2019b) and reported additional detections (Nitz et al 2021;Olsen et al 2022). Nitz et al (2021) has reported the fourth Open Gravitational-wave Catalog (4-OGC) based on the PyCBC pipeline (Nitz et al 2018).…”

Section: Introductionmentioning

confidence: 99%

Search for Coincident Gravitational-wave and Fast Radio Burst Events from 4-OGC and the First CHIME/FRB Catalog

Wang

Nitz

2022

ApJ

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Advanced LIGO and Virgo have reported 90 confident gravitational-wave (GW) observations from compact-binary coalescences from their three observation runs. In addition, numerous subthreshold GW candidates have been identified. Binary neutron star (BNS) mergers can produce GWs and short-gamma-ray bursts, as confirmed by GW170817/GRB 170817A. There may be electromagnetic counterparts recorded in archival observations associated with subthreshold GW candidates. The CHIME/FRB Collaboration has reported the first large sample of fast radio bursts (FRBs), millisecond radio transients detected up to cosmological distances; a fraction of these may be associated with BNS mergers. This work searches for coincident GWs and FRBs from BNS mergers using candidates from the fourth Open Gravitational-wave Catalog and the first CHIME/FRB catalog. We use a ranking statistic for GW/FRB association that combines the GW detection statistic with the odds of temporal and spatial association. We analyze GW candidates and nonrepeating FRBs from 2019 April 1 to 2019 July 1, when both the Advanced LIGO/Virgo GW detectors and the CHIME radio telescope were observing. The most significant coincident candidate has a false alarm rate of 0.29 per observation time, which is consistent with a null observation. The null results imply, at most,  ( 0.01 ) % –  ( 1 ) % of FRBs are produced promptly from the BNS mergers.

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New binary black hole mergers in the LIGO-Virgo O3a data

Cited by 106 publications

References 154 publications

A Rosetta Stone for Eccentric Gravitational Waveform Models

A Rosetta Stone for Eccentric Gravitational Waveform Models

Search for Coincident Gravitational Wave and Long Gamma-Ray Bursts from 4-OGC and the Fermi-GBM/Swift-BAT Catalog

Search for Coincident Gravitational-wave and Fast Radio Burst Events from 4-OGC and the First CHIME/FRB Catalog

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