MR
M. E. Ravasio
astro-ph.HEastro-phastro-ph.IMastro-ph.COastro-ph.GAastro-ph.SRDwarfismgamma-ray burstsgravitational lensinggr-qc
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
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Preprints & journals
53 papers in the corpus · 2003–2026The (missing) gamma-ray counterparts to EP events2610.28734v1 · Maria Edvige Ravasio, Ansh Chopra, Peter G. Jonker et al.2026 · 0 citationsarXiv
Gas absorption of soft X-rays strongly impacts the redshift distribution of dark Fast X-ray Transients2609.13385v1 · Javier S'anchez-Sierras, Peter G. Jonker, Jonathan Quirola-V'asquez et al.2026 · 0 citationsarXiv
X-ray Flares in Gamma-Ray Bursts at High and Very-High-Energies2609.00684v1 · Pawan Tiwari, Biswajit Banerjee, Gor Oganesyan et al.2026 · 0 citationsarXiv
A JWST redshift for the host galaxy of EP250207b of z=3.2: a collapsar origin is viable2608.03582v1 · Agnes P. C. van Hoof, Peter G. Jonker, Andrew J. Levan et al.2026 · 0 citationsarXiv
Detectability of Gravitational-wave counterparts of EP-FXTs observed during the O4b LIGO-Virgo-KAGRA Observing Run2607.16420v1 · Ansh Chopra, Samuele Ronchini, Biswajit Banerjee 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
GRB 210704A: A Luminous Fast Blue Transient in a GRB Afterglow at 2604.14343v1 · Danielle L. A. Pieterse, Andrew J. Levan, Maria E. Ravasio et al.2026 · 1 citationarXiv
An energetic dirty fireball detected in soft X-rays2603.26213v1 · C.-Y. Dai, J. Quirola-V'asquez, Y.-H. Wang et al.2026 · 0 citationsarXiv
A self-consistent explanation of the MeV line in GRB 221009A unveils a dense circum-stellar medium2601.14257v2 · O. S. Salafia, A. Celotti, E. Sobacchi et al.2026 · 0 citationsarXiv
JWST and HST observations of the host galaxy and supernova, SN 2024aihh in EP240801a at z=1.672512.11572v1 · Agnes P.C. van Hoof, Andrew J. Levan, Peter G. Jonker et al.2025 · 3 citationsarXiv
EP250827b/SN 2025wkm: An X-ray Flash-Supernova Powered by a Central Engine and Circumstellar Interaction2512.10239v3 · Gokul P. Srinivasaragavan, Dongyue Li, Xander J. Hall et al.2025 · 2 citationsarXiv
Unveiling the nature of the Einstein Probe transient EP 241021a2511.13314v1 · J. Quirola-V'asquez, P. G. Jonker, A. J. Levan et al.2025 · 5 citationsMon Not R Astron Soc (2025)
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
EP250207b is not a collapsar fast X-ray transient. Is it due to a compact object merger?2508.13039v2 · P.G. Jonker, A.J. Levan, Xing Liu et al.2025 · 7 citationsMon Not R Astron Soc (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
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
Gravitational lensing in gamma-ray bursts.40205865 · Levan, Andrew J, Gompertz, Benjamin P, Smith, Graham P et al.2025 · 9 citationsPhilosophical transactions. Series A, Mathematical, physical, and engineering sciences. 2025;383(2294):20240122
EP240801a/XRF 240801B: An X-ray Flash Detected by the Einstein Probe and Implications of its Multiband Afterglow2503.04306v1 · Shuai-Qing Jiang, Dong Xu, Agnes P. C. van Hoof et al.2025 · 18 citationsarXiv
New JWST redshifts for the host galaxies of CDF-S XT1 and XT2: understanding their nature2410.10015v2 · J. Quirola-V'asquez, F. E. Bauer, P. G. Jonker et al.2024 · 11 citationsA&A 695, A279 (2025)
The Einstein Probe transient EP240414a: Linking Fast X-ray Transients, Gamma-ray Bursts and Luminous Fast Blue Optical Transients2409.19056v1 · Joyce N.D. van Dalen, Andrew J. Levan, Peter G. Jonker et al.2024 · 46 citationsarXiv
A mega-electron volt emission line in the spectrum of a gamma-ray burst.39052811 · Ravasio, Maria Edvige, Salafia, Om Sharan, Oganesyan, Gor et al.2024 · 27 citationsScience (New York, N.Y.). 2024;385(6707):452-455
Investigating the off-axis GRB afterglow scenario for extragalactic fast X-ray transients2407.06371v1 · H. C. I. Wichern, M. E. Ravasio, P. G. Jonker et al.2024 · 10 citationsarXiv
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
Soft X-ray prompt emission from a high-redshift gamma-ray burst EP240315a2404.16425v1 · Y. Liu, H. Sun, D. Xu et al.2024 · 2 citationsarXiv
Probing a Magnetar Origin for the population of Extragalactic Fast X-ray Transients detected by Chandra2401.01415v1 · J. Quirola-V'asquez, F. E. Bauer, P. G. Jonker et al.2024 · 17 citationsarXiv
XMM-Newton-discovered Fast X-ray Transients: Host galaxies and limits on contemporaneous detections of optical counterparts2312.10786v1 · D. Eappachen, P. G. Jonker, J. Quirola-V'asquez et al.2023 · 14 citationsarXiv
Insights into the physics of GRBs from the high-energy extension of their prompt emission spectra2312.02259v2 · M. E. Ravasio, G. Ghirlanda, G. Ghisellini2023 · 12 citationsA&A 685, A166 (2024)
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
The short gamma-ray burst population in a quasi-universal jet scenario2306.15488v1 · O. S. Salafia, M. E. Ravasio, G. Ghirlanda et al.2023 · 25 citationsA&A 680, A45 (2023)
Extragalactic FXT Candidates Discovered by Chandra (2014-2022)2304.13795v1 · J. Quirola-V'asquez, F. E. Bauer, P. G. Jonker et al.2023 · 43 citationsA&A 675, A44 (2023)
A bright megaelectronvolt emission line in -ray burst GRB 221009A2303.16223v1 · Maria Edvige Ravasio, Om Sharan Salafia, Gor Oganesyan et al.2023 · 1 citationarXiv
A long-duration gamma-ray burst of dynamical origin from the nucleus of an ancient galaxy2303.12912v1 · Andrew J. Levan, Daniele B. Malesani, Benjamin P. Gompertz et al.2023 · 51 citationsarXiv
The Fast X-ray Transient XRT 210423 and its Host Galaxy2303.01857v1 · D. Eappachen, P.G. Jonker, A.J. Levan et al.2023 · 21 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
The Radio to GeV Afterglow of GRB 221009A2302.04388v2 · Tanmoy Laskar, Kate D. Alexander, Raffaella Margutti et al.2023 · 84 citationsarXiv
A kilonova following a long-duration gamma-ray burst at 350 Mpc.36477128 · Rastinejad, Jillian C, Gompertz, Benjamin P, Levan, Andrew J et al.2022 · 361 citationsNature. 2022;612(7939):223-227
VLBI observations of GRB 201015A, a relatively faint GRB with a hint of Very High Energy gamma-ray emission2205.12750v1 · S. Giarratana, L. Rhodes, B. Marcote et al.2022 · 11 citationsA&A 664, A36 (2022)
The case for a minute-long merger-driven gamma-ray burst from fast-cooling synchrotron emission2205.05008v2 · B. P. Gompertz, M. E. Ravasio, M. Nicholl et al.2022 · 105 citationsarXiv
Constrains on the physics of the prompt emission from a distant and energetic gamma-ray burst GRB 220101A2203.04971v2 · Alessio Mei, Gor Oganesyan, Anastasia Tsvetkova et al.2022 · 13 citationsarXiv
Spectral index-flux relation for investigating the origins of steep decay in γ-ray bursts.34234132 · Ronchini, Samuele, Oganesyan, Gor, Branchesi, Marica et al.2021 · 13 citationsNature communications. 2021;12(1):4040
Multi-wavelength view of the close-by GRB 190829A sheds light on gamma-ray burst physics2106.07169v3 · O. S. Salafia, M. E. Ravasio, J. Yang et al.2021 · 53 citationsarXiv
Gamma Ray Burst studies with THESEUS2104.10448v1 · G. Ghirlanda, R. Salvaterra, M. Toffano et al.2021 · 22 citationsarXiv
GRB Prompt Emission Spectra: The Synchrotron Revenge2003.10447v1 · Maria Edvige Ravasio2020 · 0 citationsarXiv
Probing the extragalactic fast transient sky at minute timescales with DECam1903.11083v2 · Igor Andreoni, Jeffrey Cooke, Sara Webb et al.2019 · 38 citationsMonthly Notices of the Royal Astronomical Society (2020), Volume 491, Issue 4, p.5852-5866
Evidence of two spectral breaks in the prompt emission of gamma ray bursts1903.02555v2 · M. E. Ravasio, G. Ghirlanda, L. Nava et al.2019 · 87 citationsA&A 625, A60 (2019)
GRB 190114C: from prompt to afterglow?1902.01861v3 · M. E. Ravasio, G. Oganesyan, O. S. Salafia et al.2019 · 46 citationsA&A 626, A12 (2019)
THESEUS and Gamma-Ray Bursts: a valuable contribution to the understanding of prompt emission1802.01683v1 · Lara Nava, Gor Oganesyan, Maria E. Ravasio et al.2018 · 0 citationsarXiv
Consistency with synchrotron emission in the bright GRB 160625B observed by Fermi1711.03106v2 · M.E. Ravasio, G. Oganesyan, G. Ghirlanda et al.2017 · 87 citationsA&A 613, A16 (2018)on Valency
Career total: at least 88 works. 53 are in this corpus.Showing the 50 most recent.
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