Listening to the Universe with Next Generation Ground-Based Gravitational-Wave Detectors

Borhanian, Ssohrab; Sathyaprakash, B. S.

doi:10.48550/arxiv.2202.11048

Cited by 25 publications

(54 citation statements)

References 191 publications

(281 reference statements)

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“…In addition, the number of future DCO detections is predicted to increase dramatically with next generation detectors (e.g. Borhanian & Sathyaprakash 2022). A much larger data base of parameters of DCO mergers will help to put more constrains on SN mechanism and the origin of detected signals.…”

Section: Discussionmentioning

confidence: 99%

“…Such a comparison will become much more reliable in the near future as the predicted number of DCO mergers is going to increase significantly after O4 run (e.g. Magee & Borhanian 2022) and later, thanks to the development of next-generation ground-based gravitational wave detectors (Borhanian & Sathyaprakash 2022). There are several approaches trying to mimic the true SN engine in order to predict the final fate of massive stars and estimate the remnant masses.…”

mentioning

confidence: 99%

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The role of supernova convection for the lower mass gap in the isolated binary formation of gravitational wave sources

Olejak¹,

Fryer²,

Belczyński³

et al. 2022

Preprint

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Understanding astrophysical phenomena involving compact objects requires an insight about the engine behind core-collapse supernovae (SNe) and the fate of the stellar collapse of massive stars. In particular, this insight is crucial in developing an understanding of the origin and formation channels of the growing population of black hole-black hole (BH-BH), black holeneutron star (BH-NS) and neutron star-neutron star (NS-NS) mergers reported by The LIGO-Virgo-KAGRA Collaboration. To gain this understanding, we must tie our current knowledge of pre-SN stars properties and their potential explosions to the final NS or BH mass distribution. The timescale of convection growth may have a large effect on the strength of SN explosion and therefore also on the mass distribution of stellar remnants. In this study we adopt the new formulas for the relation between the pre-SN properties of the stars and their remnants from Fryer et al. 2022 in prep. into StarTrack population synthesis code and check how they impact population of double compact object (DCO) mergers formed via isolated binary evolution. The new formulas give one ability to test a wide spectrum of assumptions on the convection growth time. In particular, different variants of the formulas allow for a smooth transition between having a deep lower mass gap and a remnant mass distribution filled by massive NSs and low mass BHs. Because the nature of convection can affect the DCO mergers mass distribution, observations of these distributions can, in turn, be used to better understand the convection growth timescale in stars and their SNe explosions. In this paper we present distribution of masses, mass ratios and the local merger rate densities of DCO mergers for different variants of new remnant mass formulas. We test them together with different approaches to other highly uncertain processes: limit for pair-instability SN and RLOF stability criteria. We find that mass distribution of DCO mergers (mass of the primary 𝑚 1 , secondary 𝑚 2 , and their sum) up to 𝑚 1 + 𝑚 2 35 𝑀 is sensitive to adopted assumption on SN convection growth timescale. Between the two extreme tested variants of convection growth the probability of compact object formation within the lower mass gap may differ up to ∼ 2 orders of magnitude. The distribution of mass ratios of DCO mergers is significantly influenced by SN model only for our standard mass transfer stability criteria for which vast majority of BH-BH mergers are formed through CE phase.

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Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

The role of supernova convection for the lower mass gap in the isolated binary formation of gravitational wave sources

Olejak¹,

Fryer²,

Belczyński³

et al. 2022

Preprint

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“…In this paper, we show how powerful our dark energy results would be if we can obtain electromagnetic counterparts for about 5-10% of the events that are expected to be seen by the currently proposed GW observatories. The numbers in the top are the expected number of standard sirens that will be detected per year based on projections from [23]. We estimate that standard siren experiments for dark energy must yield samples corresponding to 5-10% of the total number of events detected by the GW observatories in order to achieve the Stage V and Stage VI goals.…”

Section: Experiments and Stagesmentioning

confidence: 99%

“…We consider a uniform volume rate of detection, and the maximum redshift of detection as z = 0.5, z = 1.5, z = 4.0 for the stages IV, V, and VI, respectively [23]. We assume a typical value to the signal-to-noise ration of SNR= 20, implying σ d L /d L ∼ 5% and spectroscopic redshift determination of the host galaxy.…”

Section: Forecastsmentioning

confidence: 99%

“…The darker colors represent the nominal lifetime of the facility, and lighter colors are possible extensions. The numbers in the top are the expected number of standard sirens that will be detected per year based on projections from[23]. We estimate that standard siren experiments for dark energy must yield samples corresponding to 5-10% of the total number of events detected by the GW observatories in order to achieve the Stage V and Stage VI goals.…”

mentioning

confidence: 99%

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Snowmass2021 Cosmic Frontier CF6 White Paper: Multi-Experiment Probes for Dark Energy -- Transients

Kim¹,

Palmese²,

Pereira³

et al. 2022

Preprint

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This invited Snowmass 2021 White Paper highlights the power of joint-analysis of astronomical transients in advancing HEP Science and presents research activities that can realize the opportunities that come with current and upcoming projects. Transients of interest include gravitational wave events, neutrino events, strongly-lensed quasars and supernovae, and Type Ia supernovae specifically. These transients can serve as probes of cosmological distances in the Universe and as cosmic laboratories of extreme strong-gravity, high-energy physics. Joint analysis refers to work that requires significant coordination from multiple experiments or facilities so encompasses Multi-Messenger Astronomy and optical transient discovery and distributed follow-up programs.

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Multi-messenger Astronomy

Branchesi

2023

Springer Proceedings in Physics

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On 2015 September 14, the first observation of gravitational-waves by the Advanced Laser Interferometer Gravitational-wave Observatory detectors concluded a long scientific quest, which began 100 years before with Einstein’s prediction of their existence. This detection opened a new exploration of the Universe making it possible to access the properties of space-time at extreme regime, to probe the properties of compact objects (binary systems of neutron stars and stellar-mass black holes), and investigate their formation and evolution. On August 17, 2017, the first observation of gravitational waves from the inspiral and merger of a binary neutron-star system by the Advanced LIGO and Virgo network, followed 1.7 s later by a weak short gamma-ray burst detected by the Fermi and INTEGRAL satellites initiated the most extensive world-wide observing campaign which led to the detection of multi-wavelength electromagnetic counterparts. Multi-messenger discoveries are unveiling the rich physics of most energetic transient phenomena in the sky, probing relativistic astrophysics, nuclear physics, nucleosynthesis, and cosmology. Here, we give an overview of the recent gravitational-wave and multi-messenger discoveries, and the perspectives for the future.

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Listening to the Universe with Next Generation Ground-Based Gravitational-Wave Detectors

Cited by 25 publications

References 191 publications

The role of supernova convection for the lower mass gap in the isolated binary formation of gravitational wave sources

The role of supernova convection for the lower mass gap in the isolated binary formation of gravitational wave sources

Snowmass2021 Cosmic Frontier CF6 White Paper: Multi-Experiment Probes for Dark Energy -- Transients

Multi-messenger Astronomy

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