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相关论文: Multi-Generational Black Hole Population Analysis …

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We introduce a novel black hole mass function which realistically models the physics of star formation and pair instability supernova with a minimal number of parameters. Applying this to all events in the LIGO-Virgo GWTC-2 catalog, we…

宇宙学与河外天体物理 · 物理学 2021-08-11 Eric J. Baxter , Djuna Croon , Samuel D. McDermott , Jeremy Sakstein

We analyze binary black hole (BBH) mergers from the latest Gravitational Wave Transient Catalog (GWTC-3) using a flexible, non-parametric framework to infer the underlying black hole mass distribution. Our model employs Gaussian Processes…

高能天体物理现象 · 物理学 2025-08-27 Ignacio Magaña Hernandez , Antonella Palmese

Using high-resolution simulations of black hole formation from the direct collapse of massive stars undergoing pulsational pair-instability supernovae (PPISN), we find a new phenomenon which significantly affects the explosion and leads to…

高能天体物理现象 · 物理学 2023-12-22 Djuna Croon , Jeremy Sakstein

Astrophysically motivated population models for binary black hole observables are often insufficient to capture the imprints of multiple formation channels. This is mainly due to the strongly parametrized nature of such investigations.…

高能天体物理现象 · 物理学 2024-04-05 Anarya Ray , Ignacio Magaña Hernandez , Katelyn Breivik , Jolien Creighton

We introduce the first complete non-parametric model for the astrophysical distribution of the binary black hole (BBH) population. Constructed from basis splines, we use these models to conduct the most comprehensive data-driven…

高能天体物理现象 · 物理学 2023-03-29 Bruce Edelman , Ben Farr , Zoheyr Doctor

Gravitational wave observations of binary black holes have revealed unexpected structure in the black hole mass distribution. Previous studies of the mass distribution employ physically-motivated phenomenological models and infer the…

高能天体物理现象 · 物理学 2024-11-26 Jacob Golomb , Maximiliano Isi , Will Farr

Stellar evolution models predict the existence of a gap in the black hole mass spectrum from $\sim55 M_\odot - 120 M_\odot$ due to pair-instability supernovae (PISNe). We investigate the possible existence of such an "upper" mass gap in the…

高能天体物理现象 · 物理学 2022-01-25 Bruce Edelman , Zoheyr Doctor , Ben Farr

We examine how future gravitational-wave measurements from merging black holes (BHs) can be used to infer the shape of the black-hole mass function, with important implications for the study of star formation and evolution and the…

宇宙学与河外天体物理 · 物理学 2017-06-07 Ely D. Kovetz , Ilias Cholis , Patrick C. Breysse , Marc Kamionkowski

We analyze the LIGO/Virgo GWTC-2 catalog to study the primary mass distribution of the merging black holes. We perform hierarchical Bayesian analysis, and examine whether the mass distribution has a sharp cutoff for primary black hole…

高能天体物理现象 · 物理学 2021-06-02 Yuan-Zhu Wang , Shao-Peng Tang , Yun-Feng Liang , Ming-Zhe Han , Xiang Li , Zhi-Ping Jin , Yi-Zhong Fan , Da-Ming Wei

Repeated black-hole mergers in dense stellar clusters are a plausible mechanism to populate the predicted gap in black hole masses due to the pair-instability supernova process. These hierarchical mergers carry distinct spin characteristics…

广义相对论与量子宇宙学 · 物理学 2026-05-06 Cailin Plunkett , Thomas Callister , Michael Zevin , Salvatore Vitale

With several dozen binary black hole events detected by LIGO/Virgo to date and many more expected in the next few years, gravitational-wave astronomy is shifting from individual-event analyses to population studies. Using the GWTC-2…

With the release of the fourth LIGO--Virgo--KAGRA gravitational-wave catalog (GWTC-4), we are starting to gain a detailed view of the population of merging binary black holes. The formation channels of these black holes is not clearly…

高能天体物理现象 · 物理学 2025-09-22 Sharan Banagiri , Eric Thrane , Paul D. Lasky

Current gravitational-wave data reveal structures in the mass function of binary compact objects. Properly modelling and deciphering such structures is the ultimate goal of gravitational-wave population analysis: in this context,…

高能天体物理现象 · 物理学 2025-10-08 Stefano Rinaldi , Yajie Liang , Gabriele Demasi , Michela Mapelli , Walter Del Pozzo

We use the gravitational wave signals from binary black hole merger events observed by LIGO and Virgo to reconstruct the underlying mass and spin distributions of the population of merging black holes. We reconstruct the population using…

高能天体物理现象 · 物理学 2021-05-27 Vaibhav Tiwari , Stephen Fairhurst

The observation of gravitational-wave signals from merging black-hole binaries enables direct measurement of the properties of the black holes. An individual observation allows measurement of the black-hole masses, but only limited…

广义相对论与量子宇宙学 · 物理学 2018-12-12 Vaibhav Tiwari , Stephen Fairhurst , Mark Hannam

Gravitational wave (GW) detections of binary black hole (BH) mergers have begun to sample the cosmic BH mass distribution. The evolution of single stellar cores predicts a gap in the BH mass distribution due to pair-instability supernova…

高能天体物理现象 · 物理学 2024-07-04 Ebraheem Farag , Mathieu Renzo , Robert Farmer , Morgan T. Chidester , F. X. Timmes

The fourth gravitational wave transient catalog~(GWTC-4) has enabled empirical probes of the theorized pair-instability gap in the higher end of the binary black hole~(BBH) mass-spectrum. In this letter, using flexibly parametrized models,…

高能天体物理现象 · 物理学 2026-04-02 Anarya Ray , Vicky Kalogera

The spin-orbit tilt angles $\theta_{1(2)}$ of merging stellar-mass black holes provide key insights into their astrophysical origin. Non-parametric population modelling of The LIGO, Virgo, and KAGRA Collaborations (2025a, arXiv:2508.18083)…

We analyse the LIGO-Virgo data, including the recently released GWTC-2 dataset, to test a hypothesis that the data contains more than one population of black holes. We perform a maximum likelihood analysis including a population of…

宇宙学与河外天体物理 · 物理学 2022-08-23 Gert Hütsi , Martti Raidal , Ville Vaskonen , Hardi Veermäe

Many scenarios have been proposed for the origin of the supermassive black holes (SMBHs) that are found in the centres of most galaxies. Many of these formation scenarios predict a high-redshift population of intermediate-mass black holes…

宇宙学与河外天体物理 · 物理学 2015-05-13 Joseph E. Plowman , Daniel C. Jacobs , Ronald W. Hellings , Shane L. Larson , Sachiko Tsuruta
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