GW190521: A Binary Black Hole Merger with a Total Mass of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mn>150</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:msub><mml:mrow><mml:mi>M</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="false">⊙</mml:mo></mml:mrow></mml:msub></mml:mrow></mml:math>
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A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Machine scores (provisional)
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
- Teacher spread
- 0.253 · how far apart the two teachers sit on this one work
- Validation status
score_only:v0-immature-baseline· verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it
Abstract
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 generic transients. If GW190521 is from a quasicircular binary inspiral, then the detected signal is consistent with the merger of two black holes with masses of 85_{-14}^{+21} M_{⊙} and 66_{-18}^{+17} M_{⊙} (90% credible intervals). We infer that the primary black hole mass lies within the gap produced by (pulsational) pair-instability supernova processes, with only a 0.32% probability of being below 65 M_{⊙}. We calculate the mass of the remnant to be 142_{-16}^{+28} M_{⊙}, which can be considered an intermediate mass black hole (IMBH). The luminosity distance of the source is 5.3_{-2.6}^{+2.4} Gpc, corresponding to a redshift of 0.82_{-0.34}^{+0.28}. The inferred rate of mergers similar to GW190521 is 0.13_{-0.11}^{+0.30} Gpc^{-3} yr^{-1}.
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The record
- Venue
- Physical Review Letters
- Topic
- Pulsars and Gravitational Waves Research
- Field
- Physics and Astronomy
- Canadian institutions
- Université de MontréalPolytechnique Montréal
- Funders
- National Research, Development and Innovation OfficeInstituto Nazionale di Fisica NucleareAustralian Research CouncilSchweizerischer Nationalfonds zur Förderung der Wissenschaftlichen ForschungMinistério da Ciência, Tecnologia e InovaçãoScience and Technology Facilities CouncilNemzeti Kutatási Fejlesztési és Innovációs HivatalNational Research FoundationVlaamse regeringNatural Sciences and Engineering Research Council of CanadaMinistry of Education, IndiaConseil Régional, Île-de-FranceFonds De La Recherche Scientifique - FNRSNarodowe Centrum NaukiScottish Universities Physics AllianceNational Natural Science Foundation of ChinaNational Research Foundation of KoreaHungarian Scientific Research FundGeneralitat de CatalunyaGeneralitat ValencianaKavli FoundationAgence Nationale de la RechercheEuropean Regional Development FundMax-Planck-GesellschaftICTP South American Institute for Fundamental ResearchCentre National de la Recherche ScientifiqueCouncil of Scientific and Industrial Research, IndiaAbdus Salam International Centre for Theoretical PhysicsLeverhulme TrustEuropean CommissionResearch Grants Council, University Grants CommitteeConselleria de Innovación, Universidades, Ciencia y Sociedad Digital, Generalitat ValencianaRussian Foundation for Basic ResearchCanadian Institute for Advanced ResearchDivision of Human Resource DevelopmentMinistero dello Sviluppo EconomicoCentres de Recerca de CatalunyaInstitut des Origines de LyonResearch Corporation for Science AdvancementRussian Science FoundationScottish Funding CouncilAgencia Estatal de InvestigaciónGovern de les Illes BalearsNederlandse Organisatie voor Wetenschappelijk OnderzoekMinistry of Science and Technology of the People's Republic of ChinaIstituto Nazionale di Fisica NucleareDepartment of Science and Technology, Ministry of Science and Technology, IndiaOntario Ministry of Economic Development and InnovationIndustry CanadaScience and Engineering Research BoardNational Science FoundationRoyal SocietyFonds Wetenschappelijk Onderzoek
- Keywords
- PhysicsLIGOAstrophysicsBlack hole (networking)RedshiftLuminosityGravitational waveBinary numberBinary black holeComputer scienceGalaxyMathematics
- Has abstract in OpenAlex
- yes