activity
20162024
most citedJWST detection of heavy neutron capture elements in a compact object merger

230 citations · 999 across the 31 of their papers we have counts for

collaborators

30 papers

astro-ph.HE2024

Long term optical variations in Swift J1858.6-0814: evidence for ablation and comparisons to radio properties

L. Rhodes, D. M. Russell, P. Saikia +5

We present optical monitoring of the neutron star low-mass X-ray binary Swift J1858.6-0814 during its 2018-2020 outburst and subsequent quiescence. We find that there was strong op…

astro-ph.HE2024★ 2 cited

Testing EMRI models for Quasi-Periodic Eruptions with 3.5 years of monitoring eRO-QPE1

Joheen Chakraborty, Riccardo Arcodia, Erin Kara +13

Quasi-Periodic Eruptions (QPEs) are luminous X-ray outbursts recurring on hour timescales, observed from the nuclei of a growing handful of nearby low-mass galaxies. Their physical…

astro-ph.HE2023★ 10 cited

The dense and non-homogeneous circumstellar medium revealed in radio wavelengths around the Type Ib SN 2019oys

Itai Sfaradi, Assaf Horesh, Jesper Sollerman +7

We present here broadband radio observations of the CSM interacting SN2019oys. SN2019oys was first detected in the optical and was classified as a Type Ib SN. Then, about $\sim 100…

astro-ph.HE2023★ 8 cited

Commensal Transient Searches in Eight Short Gamma Ray Burst Fields

S. I. Chastain, A. J. van der Horst, A. Rowlinson +5

A new generation of radio telescopes with excellent sensitivity, instantaneous {\it uv} coverage, and large fields of view, are providing unprecedented opportunities for performing…

astro-ph.HE2023

AT2022aedm and a new class of luminous, fast-cooling transients in elliptical galaxies

M. Nicholl, S. Srivastav, M. D. Fulton +49

We present the discovery and extensive follow-up of a remarkable fast-evolving optical transient, AT2022aedm, detected by the Asteroid Terrestrial impact Last Alert Survey (ATLAS).…

astro-ph.HE2023

FRB 20121102A: images of the bursts and the varying radio counterpart

L. Rhodes, M. Caleb, B. W. Stappers +4

As more Fast Radio Bursts (FRBs) are being localised, we are learning that some fraction have persistent radio sources (PRSs). Such a discovery motivates an improvement in our unde…

astro-ph.HE2023★ 2 cited

An off-axis relativistic jet seen in the long lasting delayed radio flare of the TDE AT 2018hyz

Itai Sfaradi, Paz Beniamini, Assaf Horesh +8

The Tidal Disruption Event (TDE) AT 2018hyz exhibited a delayed radio flare almost three years after the stellar disruption. Here we report new radio observations of the TDE AT 201…

astro-ph.HE2023★ 1 cited

A Radio Flare in the Long-Lived Afterglow of the Distant Short GRB 210726A: Energy Injection or a Reverse Shock from Shell Collisions?

Genevieve Schroeder, Lauren Rhodes, Tanmoy Laskar +32

We present the discovery of the radio afterglow of the short -ray burst (GRB) 210726A, localized to a galaxy at a photometric redshift of . While radio observations c…

astro-ph.HE2023★ 230 cited

JWST detection of heavy neutron capture elements in a compact object merger

A. Levan, B. P. Gompertz, O. S. Salafia +80

The mergers of binary compact objects such as neutron stars and black holes are of central interest to several areas of astrophysics, including as the progenitors of gamma-ray burs…

astro-ph.HE2023★ 12 cited

Bursts from Space: MeerKAT - The first citizen science project dedicated to commensal radio transients

Alex Andersson, Chris Lintott, Rob Fender +40

The newest generation of radio telescopes are able to survey large areas with high sensitivity and cadence, producing data volumes that require new methods to better understand the…

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.HE2023★ 10 cited

The Link Between Neutron Star X-ray Binaries and Spider Pulsars

Amy H. Knight, Adam Ingram, Jakob van den Eijnden +3

The discovery of transitional millisecond pulsars (tMSPs) provided conclusive proof that neutron star (NS) low-mass X-ray binaries (LMXBs) comprise part of the evolutionary pathway…

astro-ph.HE2023★ 29 cited

Day-timescale variability in the radio light curve of the Tidal Disruption Event AT2022cmc: confirmation of a highly relativistic outflow

L. Rhodes, J. S. Bright, R. Fender +9

Tidal disruption events (TDEs) are transient, multi-wavelength events in which a star is ripped apart by a supermassive black hole. Observations show that in a small fraction of TD…

astro-ph.HE2023★ 42 cited

The optical light curve of GRB 221009A: the afterglow and the emerging supernova

M. D. Fulton, S. J. Smartt, L. Rhodes +46

We present extensive optical photometry of the afterglow of GRB~221009A. Our data cover \,days from the time of \textit{Swift} and \textit{Fermi} GRB detections. Photom…

astro-ph.HE2022★ 82 cited

The Birth of a Relativistic Jet Following the Disruption of a Star by a Cosmological Black Hole

Dheeraj R. Pasham, Matteo Lucchini, Tanmoy Laskar +63

A black hole can launch a powerful relativistic jet after it tidally disrupts a star. If this jet fortuitously aligns with our line of sight, the overall brightness is Doppler boos…

astro-ph.HE2022★ 15 cited

Radio observations of the Black Hole X-ray Binary EXO 1846-031 re-awakening from a 34-year slumber

D. R. A. Williams, S. E. Motta, R. Fender +15

We present radio [1.3 GHz MeerKAT, 4-8 GHz Karl G. Jansky Very Large Array (VLA) and 15.5 GHz Arcminute Microkelvin Imager Large Array (AMI-LA)] and X-ray (Swift and MAXI) data fro…

astro-ph.HE2022★ 11 cited

VLBI observations of GRB 201015A, a relatively faint GRB with a hint of Very High Energy gamma-ray emission

S. Giarratana, L. Rhodes, B. Marcote +14

GRB 201015A is a long-duration Gamma-Ray Burst (GRB) which was detected at very high energies (> 100 GeV) using the MAGIC telescopes. If confirmed, this would be the fifth and leas…

astro-ph.HE2022

Jet-Cocoon Geometry in the Optically Dark, Very High Energy Gamma-ray Burst 201216C

L. Rhodes, A. J. van der Horst, R. Fender +4

We present the results of a radio observing campaign on GRB 201216C, combined with publicly available optical and X-ray data. The detection of very high energy (VHE, >100GeV) emiss…

astro-ph.SR2022★ 23 cited

Serendipitous discovery of radio flaring behaviour from a nearby M dwarf with MeerKAT

Alex Andersson, Rob Fender, Chris Lintott +12

We report on the detection of MKT J174641.0321404, a new radio transient found in untargeted searches of wide-field MeerKAT radio images centred on the black hole X-ray binary H…

astro-ph.HE2022★ 10 cited

Long term radio monitoring of the neutron star X-ray binary Swift J1858.6-0814

L. Rhodes, R. P. Fender, S. E. Motta +4

We present the results of our long term radio monitoring campaign at 1.3GHz (MeerKAT) and 15.5GHz (Arcminute Microkelvin Imager - Large Array, AMI-LA) for the outburst of the recen…

astro-ph.HE2022★ 48 cited

A persistent ultraviolet outflow from an accreting neutron star binary transient

N. Castro Segura, C. Knigge, K. S. Long +31

All disc-accreting astrophysical objects produce powerful outflows. In binaries containing neutron stars (NS) or black holes, accretion often takes place during violent outbursts.…

astro-ph.HE2021★ 66 cited

Radio and X-ray observations of the luminous Fast Blue Optical Transient AT2020xnd

Joe S. Bright, Raffaella Margutti, David Matthews +25

We present deep X-ray and radio observations of the Fast Blue Optical Transient (FBOT) AT2020xnd/ZTF20acigmel at from d to d after explosion. AT2020xnd belongs…

astro-ph.HE2021★ 36 cited

An analysis of the time-frequency structure of several bursts from FRB121102 detected with MeerKAT

E. Platts, M. Caleb, B. W. Stappers +11

We present a detailed study of the complex time-frequency structure of a sample of previously reported bursts of FRB 121102 detected with the MeerKAT telescope in September 2019. T…

astro-ph.HE2021★ 11 cited

An early peak in the radio light curve of short-duration Gamma-Ray Burst 200826A

Lauren Rhodes, Rob Fender, David R. A. Williams +1

We present the results of radio observations from the eMERLIN telescope combined with X-ray data from Swift for the short-duration Gamma-ray burst (GRB) 200826A, located at a redsh…