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20232026
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astro-ph.HE2026

VLBI Astrometric Procedure and Performance with CHIME/FRB Outriggers

Shion Andrew, Mattias Lazda, Calvin Leung +15

Precise localizations of fast radio bursts (FRBs) to specific environments within their host galaxies with very-long-baseline interferometry (VLBI) have provided valuable insights…

astro-ph.HE2026

The DSA/Chronoscope fast radio burst survey: forecasts and science overview

Liam Connor, Kaitlyn Shin, Vikram Ravi +14

Fast radio bursts (FRBs) are bright extragalactic transients with several mysteries surrounding their origins. Large FRB samples enable accurate measurements of the cosmic matter d…

astro-ph.HE2026

Discovery of an Extremely Luminous Sporadic Radio Pulsar

Fengqiu Adam Dong, Robert Main, Jackson D. Taylor +25

We have discovered PSR J2108+5055, an extremely luminous but sporadic mode-changing rotating radio transient (RRAT), with a period of 0.495 s using the Canadian Hydrogen Intensity…

astro-ph.HE2026

Debiasing the Observed Fast Radio Burst Population with the CHIME/FRB Selection Function

Kyle McGregor, Jason W. T. Hessels, Victoria M. Kaspi +26

The recent release of CHIME/FRB Catalog~2 provides the largest sample to date with which to investigate the intrinsic distributions of fast radio bursts (FRBs). Leveraging an expan…

astro-ph.HE2026

Discovery of 30 Repeating Fast Radio Burst Sources and Uniform Population Statistics of 80 Repeating Sources from CHIME/FRB

Amanda M. Cook, Kaitlyn Shin, Ziggy Pleunis +44

We present 30 newly discovered repeating fast radio burst (FRB) sources from the second catalog of bursts detected by the FRB backend on the Canadian Hydrogen Intensity Mapping Exp…

astro-ph.HE2026

Radio Monitoring Campaign of Active Repeater FRB 20220912A with CHIME

Thomas C. Abbott, Aaron B. Pearlman, Victoria M. Kaspi +20

FRB 20220912A is a highly active repeating fast radio burst (FRB) source, discovered by the Canadian Hydrogen Intensity Mapping Experiment (CHIME) using its real-time FRB detection…

astro-ph.HE2026

A steadily declining dispersion measure for the repeating fast radio burst FRB 20220529A: Evidence for an FRB engine embedded in an expanding supernova remnant

Ayush Pandhi, Kenzie Nimmo, Shion Andrew +29

We present the discovery and subsequent 3.2 year monitoring campaign of the repeating fast radio burst FRB 20220529A with CHIME/FRB. We observe a gradual dispersion measure (DM) de…