activity
20162026
most citedA single fast radio burst localized to a massive galaxy at cosmological distance

428 citations · 1.9k across the 39 of their papers we have counts for

collaborators

40 papers

astro-ph.HE2026

High Frequency Wideband Study of FRB 20240114A with the Allen Telescope Array

Param Joshi, Vishal Gajjar, Joel Earwicker +14

We present a high-frequency, wideband observing campaign of the hyperactive repeating fast radio burst FRB 20240114A with the Allen Telescope Array. Between 27 January and 29 Octob…

astro-ph.EP2025

A Search for Radio Technosignatures from Interstellar Object 3I/ATLAS with the Allen Telescope Array

Sofia Z. Sheikh, Valeria Garcia Lopez, Isabel Gerrard +12

In 2025 July, the third-ever interstellar object, 3I/ATLAS, was discovered on its ingress into the Solar System. Similar to the NASA Voyager missions sent in 1977, science probes b…

astro-ph.SR2025

Upper Limits on Radio Emission from the K2-18 System

Kelvin Wandia, Chenoa Tremblay, Michael A. Garrett +11

Stellar and planetary magnetic fields play a crucial role in the habitability of a planet and the integrity of its atmosphere. The recently claimed detection of biosignatures, meth…

astro-ph.HE2025★ 1 cited

The Most Luminous Known Fast Blue Optical Transient AT 2024wpp: Unprecedented Evolution and Properties in the X-rays and Radio

A. J. Nayana, Raffaella Margutti, Eli Wiston +34

We present X-ray (0.3--79 keV) and radio (0.25--203 GHz) observations of the most luminous Fast Blue Optical Transient (LFBOT) AT\,2024wpp at , spanning 2--280 days after…

astro-ph.HE2025

The First Radio-Bright Off-Nuclear TDE 2024tvd Reveals the Fastest-Evolving Double-Peaked Radio Emission

Itai Sfaradi, Raffaella Margutti, Ryan Chornock +34

We present the first multi-epoch broadband radio and millimeter monitoring of an off-nuclear TDE using the VLA, ALMA, ATA, AMI-LA, and the SMA. The off-nuclear TDE 2024tvd exhibits…

astro-ph.HE2025★ 8 cited

Comprehensive Radio Monitoring of the Black Hole X-ray Binary Swift J1727.81613 during its 20232024 Outburst

Andrew K. Hughes, Francesco Carotenuto, Thomas D. Russell +39

This work presents comprehensive multi-frequency radio monitoring of the black hole low-mass X-ray binary Swift J1727.81613, which underwent its first recorded outburst after it…

astro-ph.HE2025★ 2 cited

GReX: An Instrument Overview and New Upper Limits on the Galactic FRB Population

K. A. Shila, S. Niedbalski, L. Connor +14

We present the instrument design and initial results for the Galactic Radio Explorer (GReX), an all-sky monitor for exceptionally bright transients in the radio sky. This instrumen…

astro-ph.EP2024★ 12 cited

A Radio Technosignature Search of TRAPPIST-1 with the Allen Telescope Array

Nick Tusay, Sofia Z. Sheikh, Evan L. Sneed +6

Planet-planet occultations (PPOs) occur when one exoplanet occults another exoplanet in the same system as seen from the Earth's vantage point. PPOs may provide a unique opportunit…

astro-ph.HE2024

The Radio Counterpart to the Fast X-ray Transient EP240414a

Joe S. Bright, Francesco Carotenuto, Rob Fender +10

Despite being operational for only a short time, the Einstein Probe mission, with its large field of view and rapid localisation capabilities, has already significantly advanced th…

astro-ph.HE2024

Rocking the BOAT: the ups and downs of the long-term radio light curve for GRB 221009A

L. Rhodes, A. J. van der Horst, J. S. Bright +24

We present radio observations of the long-duration gamma-ray burst (GRB) 221009A which has become known to the community as the Brightest Of All Time or the BOAT. Our observations…

astro-ph.HE2023

Characterization of the Repeating FRB 20220912A with the Allen Telescope Array

Sofia Z. Sheikh, Wael Farah, Alexander W. Pollak +17

FRB 20220912A is a repeating Fast Radio Burst (FRB) that was discovered in Fall 2022 and remained highly active for several months. We report the detection of 35 FRBs from 541 hour…

astro-ph.IM2023

COSMIC: An Ethernet-based Commensal, Multimode Digital Backend on the Karl G. Jansky Very Large Array for the Search for Extraterrestrial Intelligence

Chenoa D. Tremblay, Savin Shynu Varghese, Jack Hickish +14

The primary goal of the search for extraterrestrial intelligence (SETI) is to gain an understanding of the prevalence of technologically advanced beings (organic or inorganic) in t…

astro-ph.HE2023★ 8 cited

The expansion of the GRB 221009A afterglow

S. Giarratana, O. S. Salafia, M. Giroletti +14

We observed -ray burst (GRB) 221009A using very long baseline interferomety (VLBI) with the European VLBI Network (EVN) and the Very Long Baseline Array (VLBA), over a period sp…

astro-ph.IM2023

Real-Time Technosignature Strategies with SN 2023ixf

James R. A. Davenport, Sofia Z. Sheikh, Wael Farah +5

Several technosignature techniques focus on historic events such as SN 1987A as the basis to search for coordinated signal broadcasts from extraterrestrial agents. The recently dis…

astro-ph.HE2023★ 4 cited

Precise Measurements of Self-absorbed Rising Reverse Shock Emission from Gamma-ray Burst 221009A

Joe S. Bright, Lauren Rhodes, Wael Farah +18

The deaths of massive stars are sometimes accompanied by the launch of highly relativistic and collimated jets. If the jet is pointed towards Earth, we observe a "prompt" gamma-ray…

astro-ph.IM2022★ 5 cited

Opportunities for Technosignature Science in the Planetary Science and Astrobiology Decadal Survey

Jacob Haqq-Misra, Reza Ashtari, James Benford +13

Solar system exploration provides numerous possibilities for advancing technosignature science. The search for life in the solar system includes missions designed to search for evi…

astro-ph.HE2022★ 11 cited

The ultra narrow FRB20191107B, and the origins of FRB scattering

Vivek Gupta, Chris Flynn, Wael Farah +4

We report the detection of FRB20191107B with the UTMOST radio telescope at a dispersion measure (DM) of 714.9 . The burst consists of three components, the bright…

astro-ph.IM2020★ 18 cited

Estimating fast transient detection pipeline efficiencies at UTMOST via real-time injection of mock FRBs

Vivek Gupta, Chris Flynn, Wael Farah +7

Dedicated surveys using different detection pipelines are being carried out at multiple observatories to find more Fast Radio Bursts (FRBs). Understanding the efficiency of detecti…

astro-ph.HE2020★ 92 cited

Extremely band-limited repetition from a fast radio burst source

Pravir Kumar, Ryan M. Shannon, Chris Flynn +11

The fast radio burst (FRB) population is observationally divided into sources that have been observed to repeat and those that have not. There is tentative evidence that the bursts…

astro-ph.HE2020★ 46 cited

A population analysis of pulse broadening in ASKAP Fast Radio Bursts

Hao Qiu, Ryan M. Shannon, Wael Farah +8

The pulse morphology of fast radio bursts (FRBs) provides key information in both understanding progenitor physics and the plasma medium through which the burst propagates. We pres…

astro-ph.HE2020★ 117 cited

Spectropolarimetric analysis of FRB 181112 at microsecond resolution: Implications for Fast Radio Burst emission mechanism

Hyerin Cho, Jean-Pierre Macquart, Ryan M. Shannon +14

We have developed a new coherent dedispersion mode to study the emission of Fast Radio Bursts that trigger the voltage capture capability of the Australian SKA Pathfinder (ASKAP) i…

astro-ph.HE2020★ 74 cited

The UTMOST pulsar timing programme II: Timing noise across the pulsar population

Marcus E. Lower, Matthew Bailes, Ryan M. Shannon +15

While pulsars possess exceptional rotational stability, large scale timing studies have revealed at least two distinct types of irregularities in their rotation: red timing noise a…

astro-ph.HE2019

Detection of a Glitch in PSR J09084913 by UTMOST

Marcus E. Lower, Matthew Bailes, Ryan M. Shannon +20

We report the first detection of a glitch in the radio pulsar PSR J09084913 (PSR B090649) during regular timing observations by the Molonglo Observatory Synthesis Telescope (…

astro-ph.HE2019★ 38 cited

Which bright fast radio bursts repeat?

C. W. James, S. Oslowski, C. Flynn +13

A handful of fast radio bursts (FRBs) are now known to repeat. However, the question remains --- do they all? We report on an extensive observational campaign with the Australian S…