Kicking Time Back in Black Hole Mergers: Ancestral Masses, Spins, Birth Recoils, and Hierarchical-formation Viability of GW190521

A pair-instability supernova (PISN) prevents black hole (BH) formation from stellar collapse within the approximate mass range M ∈ [65, 130] M _⊙ . However, such BHs may form hierarchically through merging ancestral BHs, whose properties determine those of the “child” one: mass, spin, and recoil vel...

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Bibliographic Details
Main Authors: Carlos Araújo-Álvarez, Henry W. Y. Wong, Anna Liu, Juan Calderón Bustillo
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:The Astrophysical Journal
Subjects:
Online Access:https://doi.org/10.3847/1538-4357/ad90a9