activity
20152026
most citedA kilonova as the electromagnetic counterpart to a gravitational-wave source

888 citations · 3.4k across the 75 of their papers we have counts for

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31 papers · 1 filter

astro-ph.HE2026★ 2 cited

GRB 180728A and SN 2018fip: the nearest high-energy cosmological gamma-ray burst with an associated supernova

A. Rossi, L. Izzo, K. Maeda +29

The long GRB 180728A, at a redshift of , stands out due to its high isotropic energy of erg, in contrast with most events at redshif…

astro-ph.HE2025

SVOM GRB 250314A at z 7.3: an exploding star in the era of reionization

B. Cordier, J. Y. Wei, N. R. Tanvir +103

Most long Gamma-ray bursts originate from a rare type of massive stellar explosion. Their afterglows, while rapidly fading, can be initially extremely luminous at optical/near-infr…

astro-ph.HE2025★ 4 cited

GRB 241105A: A test case for GRB classification and rapid r-process nucleosynthesis channels

Dimple, B. P. Gompertz, A. J. Levan +85

Gamma-ray bursts (GRBs) offer a powerful window to probe the progenitor systems responsible for the formation of heavy elements through the rapid neutron capture (r-) process, than…

astro-ph.HE2024★ 1 cited

Rapid Response Mode observations of GRB 160203A: Looking for fine-structure line variability at z=3.52

G. Pugliese, A. Saccardi, V. D Elia +26

Gamma-ray bursts are the most energetic known explosions. Despite fading rapidly, they allow to measure redshift and important properties of their host-galaxies. We report the phot…

astro-ph.HE2024

HI and CO spectroscopy of the unusual host of GRB 171205A: A grand design spiral galaxy with a distorted HI field

A. de Ugarte Postigo, M. Michalowski, C. C. Thoene +22

GRBs produced by the collapse of massive stars are usually found near the most prominent star-forming regions of star-forming galaxies. GRB 171205A happened in the outskirts of a s…

astro-ph.HE2024★ 6 cited

The fast X-ray transient EP240315a: a z ~ 5 gamma-ray burst in a Lyman continuum leaking galaxy

Andrew J. Levan, Peter G. Jonker, Andrea Saccardi +73

The nature of the minute-to-hour long Fast X-ray Transients (FXTs) localised by telescopes such as Chandra, Swift, and XMM-Newton remains mysterious, with numerous models suggested…

astro-ph.HE2024★ 1 cited

Neutral Fraction of Hydrogen in the Intergalactic Medium Surrounding High-Redshift Gamma-Ray Burst 210905A

H. M. Fausey, S. Vejlgaard, A. J. van der Horst +22

The Epoch of Reionization (EoR) is a key period of cosmological history in which the intergalactic medium (IGM) underwent a major phase change from being neutral to almost complete…

astro-ph.HE2023★ 1 cited

Multi-band analyses of the bright GRB 230812B and the associated SN2023pel

T. Hussenot-Desenonges, T. Wouters, N. Guessoum +109

GRB~230812B is a bright and relatively nearby () long gamma-ray burst (GRB) that has generated significant interest in the community and has thus been observed over the en…

astro-ph.HE2023★ 22 cited

A search for the afterglows, kilonovae, and host galaxies of two short GRBs: GRB 211106A and GRB 211227A

M. Ferro, R. Brivio, P. D'Avanzo +30

Context: GRB 211106A and GRB 211227A are recent gamma-ray bursts (GRBs) with initial X-ray positions suggesting associations with nearby galaxies (z < 0.7). Their prompt emission c…

astro-ph.HE2023★ 16 cited

The ultra-long GRB 220627A at z=3.08

S. de Wet, L. Izzo, P. J. Groot +19

GRB 220627A is a rare burst with two distinct gamma-ray emission episodes separated by almost 1000 s that triggered the Fermi Gamma-ray Burst Monitor twice. High-energy GeV emissio…

astro-ph.HE2023★ 2 cited

A long-duration gamma-ray burst of dynamical origin from the nucleus of an ancient galaxy

Andrew J. Levan, Daniele B. Malesani, Benjamin P. Gompertz +29

The majority of long duration ( s) gamma-ray bursts (GRBs) are believed to arise from the collapse of massive stars \cite{Hjorth+03}, with a small proportion created from the m…

astro-ph.HE2023★ 47 cited

The first JWST spectrum of a GRB afterglow: No bright supernova in observations of the brightest GRB of all time, GRB 221009A

A. J. Levan, G. P. Lamb, B. Schneider +57

We present JWST and Hubble Space Telescope (HST) observations of the afterglow of GRB 221009A, the brightest gamma-ray burst (GRB) ever observed. This includes the first mid-IR spe…

astro-ph.HE2023★ 12 cited

The brightest GRB ever detected: GRB 221009A as a highly luminous event at z = 0.151

D. B. Malesani, A. J. Levan, L. Izzo +39

Context: The extreme luminosity of gamma-ray bursts (GRBs) makes them powerful beacons for studies of the distant Universe. The most luminous bursts are typically detected at moder…

astro-ph.HE2022★ 13 cited

Panning for gold, but finding helium: discovery of the ultra-stripped supernova SN2019wxt from gravitational-wave follow-up observations

I. Agudo, L. Amati, T. An +96

We present the results from multi-wavelength observations of a transient discovered during the follow-up of S191213g, a gravitational wave (GW) event reported by the LIGO-Virgo Col…

astro-ph.HE2022★ 21 cited

A blast from the infant Universe: the very high-z GRB 210905A

A. Rossi, D. D. Frederiks, D. A. Kann +52

We present a detailed follow-up of the very energetic GRB 210905A at a high redshift of z = 6.312 and its luminous X-ray and optical afterglow. We obtained a photometric and spectr…

astro-ph.HE2021

GRB 160410A: the first Chemical Study of the Interstellar Medium of a Short GRB

J. F. Agüí Fernández, C. C. Thöne, D. A. Kann +27

Short Gamma-Ray Bursts (SGRBs) are produced by the coalescence of compact binary systems which are remnants of massive stars. GRB 160410A is classified as a short-duration GRB with…

astro-ph.HE2020★ 226 cited

Observation of inverse Compton emission from a long -ray burst

V. A. Acciari, S. Ansoldi, L. A. Antonelli +301

Long-duration gamma-ray bursts (GRBs) originate from ultra-relativistic jets launched from the collapsing cores of dying massive stars. They are characterised by an initial phase o…

astro-ph.HE2019★ 4 cited

GRB 190114C in the nuclear region of an interacting galaxy -- A detailed host analysis using ALMA, HST and VLT

A. de Ugarte Postigo, C. C. Thöne, S. Martın +28

GRB 190114C is the first GRB for which the detection of very-high energy emission up to the TeV range has been reported. It is still unclear whether environmental properties might…

astro-ph.HE2019★ 38 cited

GRB171010A / SN2017htp: a GRB-SN at z=0.33

A. Melandri, D. B. Malesani, L. Izzo +41

The number of supernovae known to be connected with long-duration gamma-ray bursts is increasing and the link between these events is no longer exclusively found at low redshift ($…

astro-ph.HE2019★ 489 cited

Identification of strontium in the merger of two neutron stars

Darach Watson, Camilla J. Hansen, Jonatan Selsing +15

Half of all the elements in the universe heavier than iron were created by rapid neutron capture. The theory for this astrophysical `-process' was worked out six decades ago and…

astro-ph.HE2019★ 161 cited

Short GRB 160821B: a reverse shock, a refreshed shock, and a well-sampled kilonova

G. P. Lamb, N. R. Tanvir, A. J. Levan +31

We report our identification of the optical afterglow and host galaxy of the short-duration gamma-ray burst GRB 160821B. The spectroscopic redshift of the host is , making…

astro-ph.HE2019★ 123 cited

The spectral evolution of AT 2018dyb and the presence of metal lines in tidal disruption events

Giorgos Leloudas, Lixin Dai, Iair Arcavi +29

We present light curves and spectra of the tidal disruption event (TDE) ASASSN-18pg / AT 2018dyb spanning a period of one year. The event shows a plethora of strong emission lines,…

astro-ph.HE2019★ 151 cited

Signatures of a jet cocoon in early spectra of a supernova associated with a -ray burst

L. Izzo, A. de Ugarte Postigo, K. Maeda +39

Long gamma-ray bursts mark the death of massive stars, as revealed by their association with energetic broad-lined stripped-envelope supernovae. The scarcity of nearby events and t…

astro-ph.HE2018★ 37 cited

Highly-ionized metals as probes of the circumburst gas in the natal regions of gamma-ray bursts

K. E. Heintz, D. Watson, P. Jakobsson +18

We present here a survey of high-ionization absorption lines in the afterglow spectra of long-duration gamma-ray bursts (GRBs) obtained with the VLT/X-shooter spectrograph. Our mai…