LIGO–Virgo–KAGRA's Oldest Black Holes: Probing Star Formation at Cosmic Noon With GWTC-3

M Fishbach, L van Son - The Astrophysical Journal Letters, 2023 - iopscience.iop.org
In their third observing run, the LIGO–Virgo–KAGRA gravitational-wave (GW) observatory
was sensitive to binary black hole (BBH) mergers out to redshifts z merge≈ 1. Because GWs …

Deep Synoptic Array science: A massive elliptical host among two galaxy-cluster fast radio bursts

K Sharma, J Somalwar, C Law, V Ravi… - The Astrophysical …, 2023 - iopscience.iop.org
The stellar population environments that are associated with fast radio burst (FRB) sources
provide important insights for develo** their progenitor theories. We expand the diversity …

A Population of Short-duration Gamma-ray Bursts with Dwarf Host Galaxies

AE Nugent, W Fong, C Castrejon, J Leja… - The Astrophysical …, 2024 - iopscience.iop.org
We present a population of 11 of the faintest (> 25.5 AB mag) short gamma-ray burst (GRB)
host galaxies. We model their sparse available observations using the stellar population …

Map** Obscured Star Formation in the Host Galaxy of FRB 20201124A

Y Dong, T Eftekhari, W Fong, AT Deller… - The Astrophysical …, 2024 - iopscience.iop.org
Abstract We present high-resolution 1.5–6 GHz Karl G. Jansky Very Large Array and Hubble
Space Telescope (HST) optical and infrared observations of the extremely active repeating …

Ultrafast Compact Binary Mergers

P Beniamini, T Piran - The Astrophysical Journal, 2024 - iopscience.iop.org
The duration of orbital decay induced by gravitational waves (GWs) is often the bottleneck of
the evolutionary phases going from star formation to a merger. We show here that kicks …

Deep Synoptic Array Science: First FRB and Host Galaxy Catalog

CJ Law, K Sharma, V Ravi, G Chen… - The Astrophysical …, 2024 - iopscience.iop.org
Fast radio bursts (FRBs) are a powerful and mysterious new class of transients that are
luminous enough to be detected at cosmological distances. By associating FRBs to host …

The Demographics, Stellar Populations, and Star Formation Histories of Fast Radio Burst Host Galaxies: Implications for the Progenitors

AC Gordon, W Fong, CD Kilpatrick… - The Astrophysical …, 2023 - iopscience.iop.org
We present a comprehensive catalog of observations and stellar population properties for
23 highly secure host galaxies of fast radio bursts (FRBs). Our sample comprises 6 …

The Binary Black Hole Merger Rate Deviates from the Cosmic Star Formation Rate: A Tug of War between Metallicity and Delay Times

AP Boesky, FS Broekgaarden… - The Astrophysical …, 2024 - iopscience.iop.org
Gravitational-wave detectors are now making it possible to investigate how the merger rate
of binary black holes (BBHs) evolves with redshift. In this study, we examine whether the …

(An) isotropy measurement with gravitational wave observations

R Essick, WM Farr, M Fishbach, DE Holz… - Physical Review D, 2023 - APS
We constrain the distribution of merging compact binaries across the celestial sphere using
the GWTC-3 catalog from the LIGO-Virgo-KAGRA Collaborations'(LVK) third observing run …

Inferring Host-galaxy Properties of LIGO–Virgo–KAGRA's Black Holes

A Vijaykumar, M Fishbach, S Adhikari… - The Astrophysical …, 2024 - iopscience.iop.org
Observations of gravitational waves from binary black hole (BBH) mergers have measured
the redshift evolution of the BBH merger rate. The number density of galaxies in the …