activity
20172026
most citedThe Southern Photometric Local Universe Survey (S-PLUS): improved SEDs, morphologies and redshifts with 12 optical filters

205 citations · 1.5k across the 21 of their papers we have counts for

collaborators

21 papers

astro-ph.HE2026

Failed jet breakout in the metal-poor broad-lined type Ic supernova 2026gzf

Antonio Martin-Carrillo, Christina C. Thöne, James K. Leung +103

A long-standing question in the death of massive stars is the role of relativistic jets. While many gamma-ray bursts and some fast X-ray transients seem to be associated with broad…

astro-ph.HE2025★ 1 cited

First Results from the PanRadio Gamma-Ray Burst Collaboration: The 400-day Afterglow of GRB 230815A

James K. Leung, Gemma E. Anderson, Alexander J. van der Horst +26

We introduce the PanRadio Gamma-ray Burst (GRB) program carried out on the Australia Telescope Compact Array: a systematic, multi-year, radio survey of all southern $\textit{Swift}…

astro-ph.HE2025

The radio flare and multi-wavelength afterglow of the short GRB 231117A: energy injection from a violent shell collision

G. E. Anderson, G. P. Lamb, B. P. Gompertz +64

We present the early radio detection and multi-wavelength modeling of the short gamma-ray burst (GRB) 231117A at redshift . The Australia Telescope Compact Array automatic…

astro-ph.HE2025

GRB 240825A: Early Reverse Shock and Its Physical Implications

Chao Wu, Yun Wang, Hua-Li Li +84

Early multiwavelength observations offer crucial insights into the nature of the relativistic jets responsible for gamma-ray bursts and their interaction with the surrounding mediu…

astro-ph.HE2025

Multi-Wavelength Analysis of AT 2023sva: a Luminous Orphan Afterglow With Evidence for a Structured Jet

Gokul P. Srinivasaragavan, Daniel A. Perley, Anna Y. Q. Ho +50

We present multi-wavelength analysis of ZTF23abelseb (AT 2023sva), an optically discovered fast-fading ( mag in days), luminous ( mag) and…

astro-ph.HE2024

The Einstein Probe transient EP240414a: Linking Fast X-ray Transients, Gamma-ray Bursts and Luminous Fast Blue Optical Transients

Joyce N. D. van Dalen, Andrew J. Levan, Peter G. Jonker +30

Detections of fast X-ray transients (FXTs) have been accrued over the last few decades. However, their origin has remained mysterious. There is now rapid progress thanks to timely…

astro-ph.SR2024★ 14 cited

Binary progenitor systems for Type Ic supernovae

Martín Solar, Michał J. Michałowski, Jakub Nadolny +18

Core-collapse supernovae are explosions of massive stars at the end of their evolution. They are responsible for metal production and for halting star formation, having a significa…

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.HE2022★ 131 cited

A very luminous jet from the disruption of a star by a massive black hole

Igor Andreoni, Michael W. Coughlin, Daniel A. Perley +78

Tidal disruption events (TDEs) are bursts of electromagnetic energy released when supermassive black holes (SMBHs) at the centers of galaxies violently disrupt a star that passes t…

astro-ph.HE2021★ 6 cited

Multi-band observations of Swift J0840.7-3516: a new transient ultra-compact X-ray binary candidate

F. Coti Zelati, A. de Ugarte Postigo, T. D. Russell +5

We report on multi-band observations of the transient source Swift J0840.7-3516, which was detected in outburst in 2020 February by the Neil Gehrels Swift Observatory. The outburst…

astro-ph.HE2020

GN-z11-flash in the context of Gamma-Ray Burst Afterglows

D. A. Kann, M. Blazek, A. de Ugarte Postigo +1

The recently discovered rapid transient GN-z11-flash has been suggested to be the prompt-emission ultraviolet flash associated with a gamma-ray burst serendipitously exploding in t…

astro-ph.HE2020★ 8 cited

NGC 2770: high supernova rate due to interaction

Michał J. Michałowski, Christina Thöne, Antonio de Ugarte Postigo +6

Galaxies which hosted many core-collapse supernovae (SN) explosions can be used to study the conditions necessary for the formation of massive stars. NGC 2770 was dubbed a SN facto…

astro-ph.HE2020★ 98 cited

GRANDMA Observations of Advanced LIGO's and Advanced Virgo's Third Observational Campaign

S. Antier, S. Agayeva, M. Almualla +55

GRANDMA is a network of 25 telescopes of different sizes, including both photometric and spectroscopic facilities. The network aims to coordinate follow-up observations of gravitat…

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.GA2019★ 205 cited

The Southern Photometric Local Universe Survey (S-PLUS): improved SEDs, morphologies and redshifts with 12 optical filters

C. Mendes de Oliveira, T. Ribeiro, W. Schoenell +142

The Southern Photometric Local Universe Survey (S-PLUS) is imaging ~9300 deg^2 of the celestial sphere in twelve optical bands using a dedicated 0.8 m robotic telescope, the T80-So…

astro-ph.SR2019★ 20 cited

A luminous stellar outburst during a long-lasting eruptive phase first, and then SN IIn 2018cnf

A. Pastorello, A. Reguitti, A. Morales-Garoffolo +45

We present the results of the monitoring campaign of the Type IIn supernova (SN) 2018cnf (aka ASASSN-18mr). It was discovered about 10 days before the maximum light (on MJD = 58293…

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★ 166 cited

The delay of shock breakout due to circumstellar material seen in most Type II Supernovae

F. Förster, T. J. Moriya, J. C. Maureira +35

Type II supernovae (SNe) originate from the explosion of hydrogen-rich supergiant massive stars. Their first electromagnetic signature is the shock breakout, a short-lived phenomen…

astro-ph.HE2018★ 30 cited

The luminous host galaxy, faint supernova and rapid afterglow rebrightening of GRB 100418A

A. de Ugarte Postigo, C. C. Thoene, K. Bensch +35

Long gamma-ray bursts give us the chance to study both their extreme physics and the star-forming galaxies in which they form. GRB 100418A, at a z = 0.6239, had a bright optical an…

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…

astro-ph.HE2017★ 171 cited

The environment of the binary neutron star merger GW170817

A. J. Levan, J. D. Lyman, N. R. Tanvir +37

We present Hubble Space Telescope and Chandra imaging, combined with Very Large Telescope MUSE integral field spectroscopy of the counterpart and host galaxy of the first binary ne…