Looking for the parents of LIGO’s black holes

@article{Baibhav2021LookingFT,
  title={Looking for the parents of LIGO’s black holes},
  author={Vishal Baibhav and Emanuele Berti and Davide Gerosa and Matthew S. Mould and Ka-wah Wong},
  journal={Physical Review D},
  year={2021}
}
Solutions to the two-body problem in general relativity allow us to predict the mass, spin and recoil velocity of a black-hole merger remnant given the masses and spins of its binary progenitors. In this paper we address the inverse problem: given a binary black-hole merger, can we use the parameters measured by gravitational-wave interferometers to tell if the binary components are of hierarchical origin, i.e. if they are themselves remnants of previous mergers? If so, can we determine at… 
2 Citations

Figures and Tables from this paper

Compact Binary Coalescences: Astrophysical Processes and Lessons Learned
On 11 February 2016, the LIGO and Virgo scientific collaborations announced the first direct detection of gravitational waves, a signal caught by the LIGO interferometers on 14 September 2015, and
Listening to the Universe with Next Generation Ground-Based Gravitational-Wave Detectors
Ssohrab Borhanian1, 2, ∗ and B. S. Sathyaprakash1, 3, 4 1Institute for Gravitation and the Cosmos, Department of Physics, Pennsylvania State University, University Park, PA 16802, USA

References

SHOWING 1-10 OF 67 REFERENCES
Are LIGO's Black Holes Made from Smaller Black Holes?
One proposed formation channel for stellar mass black holes (BHs) is through hierarchical mergers of smaller BHs. Repeated mergers between comparable mass BHs leave an imprint on the spin of the
Research Note: The Expected Spins of Gravitational Wave Sources With Isolated Field Binary Progenitors
We explore the consequences of dynamical evolution of field binaries composed of a primary black hole (BH) and a Wolf-Rayet (WR) star in the context of gravitational wave (GW) source progenitors. We
Hierarchical analysis of gravitational-wave measurements of binary black hole spin–orbit misalignments
Binary black holes may form both through isolated binary evolution and through dynamical interactions in dense stellar environments. The formation channel leaves an imprint on the alignment between
The Emergence of Structure in the Binary Black Hole Mass Distribution
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
Properties and Astrophysical Implications of the 150 M⊙ Binary Black Hole Merger GW190521
The gravitational-wave signal GW190521 is consistent with a binary black hole (BBH) merger source at redshift 0.8 with unusually high component masses, 85 − 14 + 21 M⊙ and 66 − 18 + 17 M⊙, compared
Spin Evolution of Stellar-mass Black Hole Binaries in Active Galactic Nuclei
The astrophysical origin of gravitational-wave (GW) events is one of the most timely problems in the wake of the LIGO/Virgo discoveries. In active galactic nuclei (AGNs), binaries form and evolve
Find the Gap: Black Hole Population Analysis with an Astrophysically Motivated Mass Function
We introduce a novel black hole mass function that realistically models the physics of pair-instability supernovae with a minimal number of parameters. Applying this to all events in the LIGO-Virgo
One Channel to Rule Them All? Constraining the Origins of Binary Black Holes Using Multiple Formation Pathways
TLDR
It is shown that it is essential to consider multiple channels when interpreting GW catalogs, as inference on branching fractions and physical prescriptions becomes biased when contributing formation scenarios are not considered or incorrect physical prescriptions are assumed.
GW190412 as a Third-generation Black Hole Merger from a Super Star Cluster
We explore the possibility that GW190412, a binary black hole merger with a non-equal-mass ratio and significantly spinning primary, was formed through repeated black hole mergers in a dense super
Evolutionary roads leading to low effective spins, high black hole masses, and O1/O2 rates for LIGO/Virgo binary black holes
All ten LIGO/Virgo binary black hole (BH-BH) coalescences reported following the O1/O2 runs have near-zero effective spins. There are only three potential explanations for this. If the BH spin
...
...