Toward Early-Warning Detection of Gravitational Waves From Compact Binary Coalescence

Cannon, K. C.; Cariou, Romain; Chapman, Adrian; Crispín-Ortuzar, Mireia; Fotopoulos, N.; Frei, M.; Hanna, C.; Kara, Erin; Keppel, D. G.; Liao, Laura E.; Privitera, S.; Searle, A. C.; Singer, L. P.; Weinstein, A. J.

doi:10.1088/0004-637x/748/2/136

Cited by 263 publications

(277 citation statements)

References 37 publications

(40 reference statements)

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“…The GstLAL pipeline, which is a matched-filter search algorithm for GWs from compact binary coalescences [17][18][19], was used in its offline mode to analyze the entirety of O1 [4,5]. The GstLAL IMBHB analysis is based on a discrete bank of GW templates constructed over a total mass between 50 M ⊙ and 600 M ⊙ in the detector frame, with mass ratios less extreme than 1∶10, and with dimensionless spin χ 1;2 between −0.99 and 0.99, where positive values are aligned with the orbital angular momentum of the system and negative values are antialigned.…”

Section: A Modeled Analysismentioning

confidence: 99%

“…In previous IMBHB searches using LIGO-Virgo data taken in 2005-2010 [13,16], an unmodeled transient search and a modeled matched-filter search using only the ringdown part of the waveform were separately employed to set distinct upper limits on the merger rates of IMBHBs. For this study, two distinct search pipelines were also used: a matched-filter search algorithm, GstLAL [17][18][19], that uses inspiral-merger-ringdown waveform templates [4,5] which are cross-correlated with the data, and an unmodeled transient search algorithm, coherent WaveBurst (cWB) [20][21][22], which looks for excess power which is coherent across the network of GW detectors. Instead of setting distinct upper limits, however, the results presented in this paper are the combined statistics from both independent search techniques.…”

Section: Introductionmentioning

confidence: 99%

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Search for intermediate mass black hole binaries in the first observing run of Advanced LIGO

Abbott

Jawahar

Lockerbie³

et al. 2017

Phys. Rev. D

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During their first observational run, the two Advanced LIGO detectors attained an unprecedented sensitivity, resulting in the first direct detections of gravitational-wave signals produced by stellar-mass binary black hole systems. This paper reports on an all-sky search for gravitational waves (GWs) from merging intermediate mass black hole binaries (IMBHBs). The combined results from two independent search techniques were used in this study: the first employs a matched-filter algorithm that uses a bank of filters covering the GW signal parameter space, while the second is a generic search for GW transients (bursts). No GWs from IMBHBs were detected; therefore, we constrain the rate of several classes of IMBHB mergers. The most stringent limit is obtained for black holes of individual mass 100 M ⊙ , with spins aligned with the binary orbital angular momentum. For such systems, the merger rate is constrained to be less than 0.93 Gpc −3 yr −1 in comoving units at the 90% confidence level, an improvement of nearly 2 orders of magnitude over previous upper limits.

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Section: A Modeled Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Search for intermediate mass black hole binaries in the first observing run of Advanced LIGO

Abbott

Jawahar

Lockerbie³

et al. 2017

Phys. Rev. D

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show abstract

“…We recolor the GW data using the gstlal software packages [173,174], following the procedure outlined below:…”

Section: B Recoloring Of Gw Detector Datamentioning

confidence: 99%

Observing gravitational waves from core-collapse supernovae in the advanced detector era

et al. 2016

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The next galactic core-collapse supernova (CCSN) has already exploded, and its electromagnetic (EM) waves, neutrinos, and gravitational waves (GWs) may arrive at any moment. We present an extensive study on the potential sensitivity of prospective detection scenarios for GWs from CCSNe within 5 Mpc, using realistic noise at the predicted sensitivity of the Advanced LIGO and Advanced Virgo detectors for 2015, 2017, and 2019. We quantify the detectability of GWs from CCSNe within the Milky Way and Large Magellanic Cloud, for which there will be an observed neutrino burst. We also consider extreme GW emission scenarios for more distant CCSNe with an associated EM signature. We find that a three-detector network at design sensitivity will be able to detect neutrino-driven CCSN explosions out to ∼5.5 kpc, while rapidly rotating core collapse will be detectable out to the Large Magellanic Cloud at 50 kpc. Of the phenomenological models for extreme GW emission scenarios considered in this study, such as long-lived bar-mode instabilities and disk fragmentation instabilities, all models considered will be detectable out to M31 at 0.77 Mpc, while the most extreme models will be detectable out to M82 at 3.52 Mpc and beyond.

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“…This waveform family captures the dominant effects of aligned spin with a single effective spin parameter χ defined below. We construct template banks from these waveforms using a generic, extensible stochastic placement infrastructure SBANK [26] implemented in the LAL gravitational wave data analysis library [36] and incorporate the SBANK infrastructure into the recently developed GSTLAL pipeline [37]. This pipeline uses identical template banks in each detector and imposes an exact mass and spin parameter coincidence criterion between detectors.…”

Section: Overviewmentioning

confidence: 99%

“…III as filters in the GSTLAL search pipeline [37]. Using these template banks, we measured the sensitivity of the pipeline to a simulated population of more than 200,000 binary black holes.…”

Section: Implementation Of Spin Effects In a Search Of Gravitatiomentioning

confidence: 99%

Improving the sensitivity of a search for coalescing binary black holes with nonprecessing spins in gravitational wave data

et al. 2014

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We demonstrate for the first time a search pipeline with improved sensitivity to gravitational waves from coalescing binary black holes with spins aligned to the orbital angular momentum by the inclusion of spin effects in the search templates. We study the pipeline recovery of simulated gravitational wave signals from aligned-spin binary black holes added to real detector noise, comparing the pipeline performance with aligned-spin filter templates to the same pipeline with nonspinning filter templates. Our results exploit a three-parameter phenomenological waveform family that models the full inspiral-merger-ringdown coalescence and treats the effect of aligned spins with a single effective spin parameter χ. We construct template banks from these waveforms by a stochastic placement method and use these banks as filters in the recently developed GSTLAL search pipeline. We measure the observable volume of the analysis pipeline for binary black hole signals with M total and χ ∈ ½0; 0.85. We find an increase in observable volume of up to 45% for systems with 0.2 ≤ χ ≤ 0.85 with almost no loss of sensitivity to signals with 0 ≤ χ ≤ 0.2. We also show that the use of spinning templates in the search pipeline provides for more accurate recovery of the binary mass parameters as well as an estimate of the effective spin parameter. We demonstrate this analysis on 25.9 days of data obtained from the Hanford and Livingston detectors in LIGO's fifth observation run.

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Toward Early-Warning Detection of Gravitational Waves From Compact Binary Coalescence

Cited by 263 publications

References 37 publications

Search for intermediate mass black hole binaries in the first observing run of Advanced LIGO

Search for intermediate mass black hole binaries in the first observing run of Advanced LIGO

Observing gravitational waves from core-collapse supernovae in the advanced detector era

Improving the sensitivity of a search for coalescing binary black holes with nonprecessing spins in gravitational wave data

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