E. Mejuto Villa

Erratum: “A Gravitational-wave Measurement of the Hubble Constant Following the Second Observing Run of Advanced LIGO and Virgo” (2021, ApJ, 909, 218)

B. P. Abbott, R. Abbott, T. D. Abbott, S. Abraham et autres

[no abstract available]

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VizieR Online Data Catalog: Search for GW signals associated with GRBs (Abbott+, 2019)

B. P. Abbott, Robert E. Abbott, T. D. Abbott, S. Abraham et autres

We present the results of targeted searches for gravitational-wave transients associated with gamma-ray bursts during the second observing run of Advanced LIGO and Advanced Virgo, which took place from 2016 November to 2017 August. We have analyzed 98 gamma-ray bursts using an …

Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift during the LIGO-Virgo Run O3a

T. Bulik, et al, Dorota Rosinska, R. Abbott et autres

915

GW190521: A Binary Black Hole Merger with a Total Mass of 150 M ⊙

R. Abbott, T. D. Abbott, S. Abraham, F. Acernese et autres

On May 21, 2019 at 03:02:29 UTC Advanced LIGO and Advanced Virgo observed a short duration gravitational-wave signal, GW190521, with a three-detector network signal-to-noise ratio of 14.7, and an estimated false-alarm rate of 1 in 4900 yr using a search sensitive to …

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GW190412: Observation of a binary-black-hole coalescence with asymmetric masses

R. Abbott, T. D. Abbott, S. Abraham, F. Acernese et autres

We report the observation of gravitational waves from a binary-black-hole coalescence during the first two weeks of LIGO’s and Virgo’s third observing run. The signal was recorded on April 12, 2019 at 05∶30∶44 UTC with a network signal-to-noise ratio of 19. The …

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Optically targeted search for gravitational waves emitted by core-collapse supernovae during the first and second observing runs of advanced LIGO and advanced Virgo

B. P. Abbott, R. Abbott, T. D. Abbott, S. Abraham et autres

We present the results from a search for gravitational-wave transients associated with core-collapse supernovae observed within a source distance of approximately 20 Mpc during the first and second observing runs of Advanced LIGO and Advanced Virgo. No significant gravitational-wave candidate was detected. …

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GW190425: Observation of a Compact Binary Coalescence with Total Mass ∼ 3.4 M ⊙

B. P. Abbott, R. Abbott, T. D. Abbott, S. Abraham et autres

Abstract On 2019 April 25, the LIGO Livingston detector observed a compact binary coalescence with signal-to-noise ratio 12.9. The Virgo detector was also taking data that did not contribute to detection due to a low signal-to-noise ratio, but were used for subsequent …

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Model comparison from LIGO–Virgo data on GW170817’s binary components and consequences for the merger remnant

B. P. Abbott, R. Abbott, T D Abbott, Sabu Abraham et autres

Abstract GW170817 is the very first observation of gravitational waves originating from the coalescence of two compact objects in the mass range of neutron stars, accompanied by electromagnetic counterparts, and offers an opportunity to directly probe the internal structure of neutron stars. …

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GW190814: Gravitational Waves from the Coalescence of a 23 Solar Mass Black Hole with a 2.6 Solar Mass Compact Object

T. D. Abbott, F. Acernese, K. Ackley, C. Adams et autres

We report the observation of a compact binary coalescence involving a 22.2–24.3 M ⊙ black hole and a compact object with a mass of 2.50–2.67 M ⊙ (all measurements quoted at the 90% credible level). The gravitational-wave signal, GW190814, was observed during …

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Properties and Astrophysical Implications of the 150 M Binary Black Hole Merger GW190521

R. Abbott, T. Abbott, S. Abraham, F. Acernese et autres

The gravitational-wave signal GW190521 is consistent with a binary black hole merger source at redshift 0.8 with unusually high component masses, $85^{+21}_{-14}\\,M_{\\odot}$ and $66^{+17}_{-18}\\,M_{\\odot}$, compared to previously reported events, and shows mild evidence for spin-induced orbital precession. The primary falls in the …

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Increasing the Astrophysical Reach of the Advanced Virgo Detector via the Application of Squeezed Vacuum States of Light

F. Acernese, M. Agathos, L. Aiello, A. Allocca et autres

Current interferometric gravitational-wave detectors are limited by quantum noise over a wide range of their measurement bandwidth. One method to overcome the quantum limit is the injection of squeezed vacuum states of light into the interferometer's dark port. Here, we report on …

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Search for Gravitational-wave Signals Associated with Gamma-Ray Bursts during the Second Observing Run of Advanced LIGO and Advanced Virgo

B. P. Abbott, R. Abbott, T. D. Abbott, S. Abraham et autres

Abstract We present the results of targeted searches for gravitational-wave transients associated with gamma-ray bursts during the second observing run of Advanced LIGO and Advanced Virgo, which took place from 2016 November to 2017 August. We have analyzed 98 gamma-ray bursts using …

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