436 citations · 2.1k across the 40 of their papers we have counts for
41 papers
Very Long Baseline Interferometry with the SKA Observatory
J. F. Radcliffe, J. Yang, Z. Paragi +129
Very Long Baseline Interferometry (VLBI) is a fundamental technique that combines signals from telescopes separated by thousands of kilometres to obtain some of the highest-resolut…
A 4200-hour HyperFlash and ÉCLAT campaign on the hyperactive FRB 20240114A: constraining energetics with the most brilliant bursts
O. S. Ould-Boukattine, A. J. Cooper, A. M. Cook +14
Hyperactive repeaters provide a unique window into the evolving environments and energy budgets of fast radio burst (FRB) sources, though they may not be representative of the FRB…
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…
Revisiting FRB 20121102A: milliarcsecond localisation and a decreasing dispersion measure
M. P. Snelders, J. W. T. Hessels, J. Huang +27
FRB 20121102A is the original repeating fast radio burst (FRB) source and also the first to be localised to milliarcsecond precision using very-long-baseline interferometry (VLBI).…
A HyperFlash and ÉCLAT view of the local environment and energetics of the repeating FRB 20240619D
O. S. Ould-Boukattine, A. J. Cooper, J. W. T. Hessels +16
Time-variable propagation effects provide a window into the local plasma environments of repeating fast radio burst (FRB) sources. Here we report high-cadence observations of FRB 2…
A milliarcsecond localization associates FRB 20190417A with a compact persistent radio source and an extreme magneto-ionic environment
Alexandra M. Moroianu, Shivani Bhandari, Maria R. Drout +38
We report the milliarcsecond localization of a high (1379 pc/cc) dispersion measure (DM) repeating fast radio burst, FRB 20190417A. Combining European VLBI Network detections of fi…
FRB 20250316A: A Brilliant and Nearby One-Off Fast Radio Burst Localized to 13 parsec Precision
FRB Collaboration, Thomas C. Abbott, Daniel Amouyal +83
Precise localizations of a small number of repeating fast radio bursts (FRBs) using very long baseline interferometry (VLBI) have enabled multiwavelength follow-up observations rev…
A Hyperactive FRB Pinpointed in an SMC-Like Satellite Host Galaxy
M. Bhardwaj, M. P. Snelders, J. W. T. Hessels +24
Precise localizations of fast radio bursts (FRBs) are essential for uncovering their host galaxies and immediate environments. We present the milliarcsecond-precision European VLBI…
Scintillation Properties of PSR B1133+16 Measured with Very Long Baseline Interferometry
Ashley M. Stock, Fardin Syed, Marten H. van Kerkwijk +3
The scintillation of pulsars reveals small-scale structure of the interstellar medium. A powerful technique for characterizing the scintillating structures (screens) combines analy…
A Repeating Fast Radio Burst Source in a Low-Luminosity Dwarf Galaxy
Danté M. Hewitt, Mohit Bhardwaj, Alexa C. Gordon +48
We present the localization and host galaxy of FRB 20190208A, a repeating source of fast radio bursts (FRBs) discovered using CHIME/FRB. As part of the PRECISE repeater localizatio…
A probe of the maximum energetics of fast radio bursts through a prolific repeating source
O. S. Ould-Boukattine, P. Chawla, J. W. T. Hessels +12
Fast radio bursts (FRBs) are sufficiently energetic to be detectable from luminosity distances up to at least seven billion parsecs (redshift ). Probing the maximum energies…
A search for persistent radio sources toward repeating fast radio bursts discovered by CHIME/FRB
Adaeze L. Ibik, Maria R. Drout, Bryan M. Gaensler +25
The identification of persistent radio sources (PRSs) coincident with two repeating fast radio bursts (FRBs) supports FRB theories requiring a compact central engine. However, deep…
The Northern Cross Fast Radio Burst project IV. Multi-wavelength study of the actively repeating FRB 20220912A
D. Pelliciari, G. Bernardi, M. Pilia +26
Fast radio bursts (FRBs) are energetic, millisecond-duration radio pulses observed at extragalactic distances and whose origins are still a subject of heated debate. A fraction of…
An X-ray and radio view of the 2022 reactivation of the magnetar SGRJ1935+2154
A. Y. Ibrahim, A. Borghese, F. Coti Zelati +19
Recently, the Galactic magnetar SGR J1935+2154 has garnered attention due to its emission of an extremely luminous radio burst, reminiscent of Fast Radio Bursts (FRBs). SGR J1935+2…
Milliarcsecond Localisation of the Hyperactive Repeating FRB 20220912A
Danté M. Hewitt, Shivani Bhandari, Benito Marcote +23
We present very-long-baseline interferometry (VLBI) observations of the hyperactive repeating FRB 20220912A using the European VLBI Network (EVN) with an EVN-Lite setup. We detecte…
Constraints on the persistent radio source associated with FRB 20190520B using the European VLBI Network
Shivani Bhandari, Benito Marcote, Navin Sridhar +7
We present very-long-baseline interferometry (VLBI) observations of a continuum radio source potentially associated with the fast radio burst source FRB 20190520B. Using the Europe…
Multiwavelength Constraints on the Origin of a Nearby Repeating Fast Radio Burst Source in a Globular Cluster
Aaron B. Pearlman, Paul Scholz, Suryarao Bethapudi +26
The precise origins of fast radio bursts (FRBs) remain unknown. Multiwavelength observations of nearby FRB sources can provide important insights into the enigmatic FRB phenomenon.…
Detection of ultra-fast radio bursts from FRB 20121102A
M. P. Snelders, K. Nimmo, J. W. T. Hessels +7
Fast radio bursts (FRBs) are extragalactic transients with typical durations of milliseconds. FRBs have been shown, however, to fluctuate on a wide range of timescales: some show s…
Connecting repeating and non-repeating fast radio bursts via their energy distributions
F. Kirsten, O. Ould-Boukattine, W. Herrmann +11
Fast radio bursts (FRBs) are extremely energetic, millisecond-duration radio flashes that reach Earth from extragalactic distances. Broadly speaking, FRBs can be classified as repe…
The Radio Parallax of the Crab Pulsar: A First VLBI Measurement Calibrated with Giant Pulses
Rebecca Lin, Marten H. van Kerkwijk, Franz Kirsten +2
We use four observations with the European VLBI network to measure the first precise radio parallax of the Crab Pulsar. We found two in-beam extragalactic sources just outside the…
Resolving the Emission Regions of the Crab Pulsar's Giant Pulses II. Evidence for Relativistic Motion
Rebecca Lin, Marten H. van Kerkwijk, Robert Main +3
The Crab Pulsar is the prime example of an emitter of giant pulses. These short, very bright pulses are thought to originate near the light cylinder, at from…
A burst storm from the repeating FRB 20200120E in an M81 globular cluster
K. Nimmo, J. W. T. Hessels, M. P. Snelders +20
The repeating fast radio burst (FRB) source FRB 20200120E is exceptional because of its proximity and association with a globular cluster. Here we report bursts detected with…
PRECISE localizations of repeating Fast Radio Bursts
B. Marcote, F. Kirsten, J. W. T. Hessels +2
Fast Radio Bursts (FRBs) are extremely luminous and brief signals (with duration of milliseconds or even shorter) of extragalactic origin. Despite the fact that hundreds of FRBs ha…
X-ray burst and persistent emission properties of the magnetar SGR 1830-0645 in outburst
G. Younes, C. -P. Hu, K. Bansal +18
We report on NICER X-ray monitoring of the magnetar SGR 1830-0645 covering 223 days following its October 2020 outburst, as well as Chandra and radio observations. We present the m…