activity
20202026
most citedA Kilonova Following a Long-Duration Gamma-Ray Burst at 350 Mpc

356 citations · 1.2k across the 38 of their papers we have counts for

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Showing 2025Show all

9 papers · 1 filter

astro-ph.HE2025★ 1 cited

EP241217a: a likely Type II GRB with an achromatic bump at z = 4.59

Hao Zhou, Jia Ren, Chen-Wei Wang +22

EP241217a is an X-ray transient detected by the Einstein Probe (EP) lasting for about 100 seconds and without accompanying -ray detection. The optical spectroscopy reveals the r…

astro-ph.HE2025

Optimizing Kilonova Searches: A Case Study of the Type IIb SN 2025ulz in the Localization Volume of the Low-Significance Gravitational Wave Event S250818k

Noah Franz, Bhagya Subrayan, Charles D. Kilpatrick +54

Kilonovae, the ultraviolet/optical/infrared counterparts to binary neutron star mergers, are an exceptionally rare class of transients. Optical follow-up campaigns are plagued by c…

astro-ph.HE2025★ 1 cited

No Sign of a Magnetar Remnant Following the Kilonova-Producing Long GRB 211211A Years Later

Genevieve Schroeder, Ben Margalit, Brian D. Metzger +9

In addition to a -ray burst (GRB), the merger of two neutron stars may produce a temporarily or indefinitely stable neutron star remnant with a strong magnetic field (a "magneta…

astro-ph.HE2025★ 4 cited

Can GRB 250702B be explained as the tidal disruption of a white dwarf by an intermediate mass black hole? Yes

Rob AJ Eyles-Ferris, Andrew King, Rhaana LC Starling +11

GRB 250702B is a unique astrophysical transient characterised by its nature as a repeating gamma-ray trigger. Its properties include possible periodicity in its gamma-ray light cur…

astro-ph.HE2025★ 5 cited

White dwarf-neutron star binaries: a plausible pathway for long-duration gamma-ray bursts from compact object mergers?

A. A. Chrimes, N. Gaspari, A. J. Levan +7

Two long-duration gamma-ray bursts were recently discovered with kilonovae, the signature of r-process element production in a compact binary merger, rather than supernovae. This h…

astro-ph.HE2025

The day-long, repeating GRB 250702BDE / EP250702a: A unique extragalactic transient

Andrew J. Levan, Antonio Martin-Carrillo, Tanmoy Laskar +42

Gamma-ray bursts (GRBs) are singular outbursts of high-energy radiation with durations typically lasting from milliseconds to minutes and, in extreme cases, a few hours. They are a…

astro-ph.HE2025★ 1 cited

EP 250108a/SN 2025kg: Observations of the most nearby Broad-Line Type Ic Supernova following an Einstein Probe Fast X-ray Transient

J. C. Rastinejad, A. J. Levan, P. G. Jonker +66

With a small sample of fast X-ray transients (FXTs) with multi-wavelength counterparts discovered to date, the progenitors of FXTs and their connections to gamma-ray bursts (GRBs)…

astro-ph.HE2025★ 1 cited

The kangaroo's first hop: the early fast cooling phase of EP250108a/SN 2025kg

Rob A. J. Eyles-Ferris, Peter G. Jonker, Andrew J. Levan +52

Fast X-ray transients (FXTs) are a rare and poorly understood population of events. Previously difficult to detect in real time, the launch of the Einstein Probe with its wide fiel…

astro-ph.HE2025★ 11 cited

Limits on the Ejecta Mass During the Search for Kilonovae Associated with Neutron Star-Black Hole Mergers: A case study of S230518h, GW230529, S230627c and the Low-Significance Candidate S240422ed

M. Pillas, S. Antier, K. Ackley +78

Neutron star-black hole (NSBH) mergers, detectable via their gravitational-wave (GW) emission, are expected to produce kilonovae (KNe). Four NSBH candidates have been identified an…