AS
A. Saccardi
astro-ph.HEastro-ph.GAastro-ph.COastro-ph.IMCompact object mergerFast X-ray transientGamma-ray burstgr-qchep-thMagnetar
On Valency
published · living versionsW_k9dqfvdz·v1 · currentpublished
The brightest GRB ever detected: GRB 221009A as a highly luminous event at z = 0.151
with D. B. Malesani, A. J. Levan, L. Izzo, A. de Ugarte Postigo +37
1 version
W_autxus3w·v1published
Preprints & journals
37 papers in the corpus · 2021–2026Minutes-long soft X-ray prompt emission from a compact object merger.42629298 · Li, An, Wang, Chen-Wei, Passaleva, Niccolò et al.2026 · 0 citationsScience bulletin. 2026;71(18):4657-4664
Multi-wavelength Constraints on the Transient EP250905a2607.08090v1 · J. Quirola-Vasquez, P. G. Jonker, A. Levan et al.2026 · 0 citationsarXiv
First Gamma-Ray Burst Observations with SVOM2607.01090v1 · F. Daigne, D. Turpin, J.-L. Atteia et al.2026 · 4 citationsarXiv
Chemical signatures from the first stars embedded in metal-poor gas in galaxies at cosmic dawn2606.13078v1 · Clara L. Pollock, Kasper E. Heintz, Elka Rusta et al.2026 · 0 citationsarXiv
Failed jet breakout in the metal-poor broad-lined type Ic supernova 2026gzf2606.10002v1 · Antonio Martin-Carrillo, Christina C. Thone, James K. Leung et al.2026 · 0 citationsarXiv
Probing a new subclass of llGRB-SN transients: Insights from EP250304a and its associated supernova2606.06213v2 · L. Cotter, A. Martin-Carrillo, R. A. J. Eyles-Ferris et al.2026 · 0 citationsarXiv
ENGRAVE follow-up of a type IIb supernova spatially coincident with the sub-threshold gravitational wave trigger S250818k2605.02639v2 · K. Ackley, M. T. Botticella, A. Boye et al.2026 · 0 citationsarXiv
XRF 241001A/SN 2024aiiq: A faint soft X-ray transient detected by SVOM with a broad-line type Ic supernova revealed by JWST2604.20346v2 · B. Schneider, M. Brunet, B. P. Gompertz et al.2026 · 0 citationsarXiv
EP250302a: violent shell collision in a soft-X-ray-selected GRB-like transient2604.14341v2 · Shao-Yu Fu, Cui-Yuan Dai, Ai-Ling Wang et al.2026 · 0 citationsarXiv
The most distant optically polarised GRB afterglow: GRB 240419A at z = 5.1782511.05123v1 · R. Brivio, S. Covino, M. Ferro et al.2025 · 0 citationsarXiv
JWST Spectroscopy of GRB 250702B: An Extremely Rare and Exceptionally Energetic Burst in a Dusty, Massive Galaxy at 2509.22778v1 · Benjamin P. Gompertz, Andrew J. Levan, Tanmoy Laskar et al.2025 · 4 citationsarXiv
Discovery and Analysis of Afterglows from Poorly Localised GRBs with the Gravitational-wave Optical Transient Observer (GOTO) All-sky Survey2509.09827v2 · Amit Kumar, B. P. Gompertz, B. Schneider et al.2025 · 2 citationsMNRAS, Volume 544, Issue 2, December 2025, Pages 1541-1587
SVOM GRB 250314A at z 7.3: an exploding star in the era of reionization2507.18783v1 · B. Cordier, J. Y. Wei, N. R. Tanvir et al.2025 · 0 citationsarXiv
JWST reveals a supernova following a gamma-ray burst at z 7.32507.18784v1 · A. J. Levan, B. Schneider, E. Le Floc'h et al.2025 · 5 citationsA&A 704, L8 (2025)
GRB 241105A: A test case for GRB classification and rapid r-process nucleosynthesis channels2507.15940v2 · Dimple, B. P. Gompertz, A. J. Levan et al.2025 · 5 citationsMon Not R Astron Soc (2025) 548-571
The day-long, repeating GRB 250702BDE / EP250702a: A unique extragalactic transient2507.14286v1 · Andrew J. Levan, Antonio Martin-Carrillo, Tanmoy Laskar et al.2025 · 17 citationsarXiv
GRB 240825A: Early Reverse Shock and Its Physical Implications2507.02806v2 · Chao Wu, Yun Wang, Hua-Li Li et al.2025 · 5 citationsarXiv
A large, chemically enriched, neutral gas reservoir in a galaxy at z = 6.7822506.04340v1 · A. Saccardi, S. D. Vergani, L. Izzo et al.2025 · 1 citationarXiv
The kangaroo's first hop: the early fast cooling phase of EP250108a/SN 2025kg2504.08886v4 · Rob A. J. Eyles-Ferris, Peter G. Jonker, Andrew J. Levan et al.2025 · 30 citationsarXiv
ANDES, the high resolution spectrograph for the ELT: science goals, project overview and future developments2407.14601v1 · A. Marconi, M. Abreu, V. Adibekyan et al.2024 · 19 citationsarXiv
Rapid Response Mode observations of GRB 160203A: Looking for fine-structure line variability at z=3.522406.18754v1 · G. Pugliese, A. Saccardi, V. D Elia et al.2024 · 1 citationA&A 690, A35 (2024)
The fast X-ray transient EP240315a: a z ~ 5 gamma-ray burst in a Lyman continuum leaking galaxy2404.16350v1 · Andrew J. Levan, Peter G. Jonker, Andrea Saccardi et al.2024 · 6 citationsarXiv
Multi-purpose InSTRument for Astronomy at Low-resolution: MISTRAL@OHP2404.03705v1 · J. Schmitt, C. Adami, M. Dennefeld et al.2024 · 1 citationarXiv
Neutral Fraction of Hydrogen in the Intergalactic Medium Surrounding High-Redshift Gamma-Ray Burst 210905A2403.13126v2 · H.M. Fausey, S. Vejlgaard, A.J. van der Horst et al.2024 · 7 citationsarXiv
Galaxy Formation and Symbiotic Evolution with the Inter-Galactic Medium in the Age of ELT-ANDES2311.16803v2 · Valentina D'Odorico, James S. Bolton, Lise Christensen et al.2023 · 8 citationsarXiv
Heavy-element production in a compact object merger observed by JWST.37879361 · Levan, Andrew J, Gompertz, Benjamin P, Salafia, Om Sharan et al.2024 · 255 citationsNature. 2024;626(8000):737-741
Multi-band analyses of the bright GRB 230812B and the associated SN2023pel2310.14310v2 · T. Hussenot-Desenonges, T. Wouters, N. Guessoum et al.2023 · 1 citationarXiv
The cosmic build-up of dust and metals. Accurate abundances from GRB-selected star-forming galaxies at 2308.14812v1 · K. E. Heintz, A. De Cia, C. C. Thone et al.2023 · 3 citationsA&A 679, A91 (2023)
The ultra-long GRB 220627A at z=3.082307.10339v1 · S. de Wet, L. Izzo, P.J. Groot et al.2023 · 18 citationsA&A 677, A32 (2023)
First stars signatures in high-z absorbers2305.07706v1 · Stefania Salvadori, Valentina D'Odorico, Andrea Saccardi et al.2023 · 2 citationsarXiv
Evidence of First Stars-enriched Gas in High-redshift Absorbers2305.02346v1 · A. Saccardi, S. Salvadori, V. D'Odorico et al.2023 · 25 citationsarXiv
The first JWST spectrum of a GRB afterglow: No bright supernova in observations of the brightest GRB of all time, GRB 221009A2302.07761v2 · A. J. Levan, G. P. Lamb, B. Schneider et al.2023 · 47 citationsarXivon Valency
The brightest GRB ever detected: GRB 221009A as a highly luminous event at z = 0.1512302.07891v2 · D. B. Malesani, A. J. Levan, L. Izzo et al.2023 · 29 citationsA&A 701, A134 (2025)on Valency
Dissecting the interstellar medium of a z=6.3 galaxy: X-shooter spectroscopy and HST imaging of the afterglow and environment of the Swift GRB 210905A2211.16524v2 · A. Saccardi, S. D. Vergani, A. De Cia et al.2022 · 36 citationsA&A 671, A84 (2023)
The optically elusive, changing-look active nucleus in NGC 41562210.09341v1 · Giulia Tozzi, Elisabeta Lusso, Lapo Casetti et al.2022 · 7 citationsA&A 667, L12 (2022)
A blast from the infant Universe: the very high-z GRB 210905A2202.04544v2 · A.Rossi, D. D. Frederiks, D. A. Kann et al.2022 · 21 citationsA&A 665, A125 (2022)
Cosmography by orthogonalized logarithmic polynomials2101.08278v2 · Giada Bargiacchi, G. Risaliti, M. Benetti et al.2021 · 56 citationsA&A 649, A65 (2021)
Career total: 59 works. 37 are in this corpus.
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