2016
DOI: 10.1103/physrevd.94.123012
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Inferring the core-collapse supernova explosion mechanism with gravitational waves

Abstract: A detection of a core-collapse supernova (CCSN) gravitational-wave (GW) signal with an Advanced LIGO and Virgo detector network may allow us to measure astrophysical parameters of the dying massive star. GWs are emitted from deep inside the core and, as such, they are direct probes of the CCSN explosion mechanism. In this study we show how we can determine the CCSN explosion mechanism from a GW supernova detection using a combination of principal component analysis and Bayesian model selection. We use simulati… Show more

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Cited by 53 publications
(59 citation statements)
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“…As the amount of numerical simulations increased other methods using waveform catalogs have been proposed to identify the supernova explosion mechanism. Among them, principal component analysis helps at reducing the complexity of CCSN waveforms to fewer parameters [40][41][42][43][44][45]. The classification challenge is also well addressed with deep learning methods [46,47].…”
Section: Introductionmentioning
confidence: 99%
“…As the amount of numerical simulations increased other methods using waveform catalogs have been proposed to identify the supernova explosion mechanism. Among them, principal component analysis helps at reducing the complexity of CCSN waveforms to fewer parameters [40][41][42][43][44][45]. The classification challenge is also well addressed with deep learning methods [46,47].…”
Section: Introductionmentioning
confidence: 99%
“…First steps towards waveform reconstruction and parameter estimation within this context were taken by Summerscales et al (2008), followed by the work of Logue et al (2012) who used numerical gravitational-wave template signal to determine the supernova explosion mechanism. This pioneer work have been extended recently by Powell et al (2016), addressing several of the limitations discussed in the work of Logue et al (2012). This paper is organised as follows: in Section 2 we briefly describe the core-collapse model we use to compute the normal modes of oscillation and whose gravitational-wave spectrum we want to analyse.…”
Section: Introductionmentioning
confidence: 99%
“…al. [10] demonstrated for the first time that SMEE can determine explosion mechanism up to galactic distances in prfesence of real non-Gaussian and non-stationary noise. The authors inferred that GW signals from neutrino-driven convection have a smaller amplitude than those from rapidly-rotating core collapse.…”
Section: Introductionmentioning
confidence: 95%
“…Thus, from equation [10], the estimated a priori snr is the attenuated version of the instantaneous snr, the attenuation factor being (1− ). If the phase factor β…”
Section: Consequencesmentioning
confidence: 99%