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20232026
most citedTriggering the Untriggered: The First Einstein Probe-Detected Gamma-Ray Burst 240219A and Its Implications

34 citations · 96 across the 15 of their papers we have counts for

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16 papers · 1 filter

astro-ph.HE2026

The (missing) gamma-ray counterparts to EP events

Maria Edvige Ravasio, Ansh Chopra, Peter G. Jonker +23

While the connection of Fast X-ray Transients (FXTs) detected by Einstein Probe (EP) with Gamma-ray Bursts (GRBs) is increasingly compelling, most lack gamma-ray counterparts, leav…

astro-ph.HE2026

A JWST redshift for the host galaxy of EP250207b of z=3.2: a collapsar origin is viable

Agnes P. C. van Hoof, Peter G. Jonker, Andrew J. Levan +24

We present James Webb Space Telescope (JWST) and Hubble Space Telescope (HST) observations of the field of the fast X-ray transient (FXT) detected by Einstein Probe, EP250207b, to…

astro-ph.HE2026

AT 2024wpp: the most luminous fast-evolving optical transient linked to the merger explosion of a black-hole binary

Jialian Liu, Bao Wang, Xiaofeng Wang +48

Fast blue optical transients (FBOTs) represent one of the most exotic astrophysical transients, exhibiting unusually strong emission across X-ray, optical, and radio wavelengths. T…

astro-ph.HE2025

EP250827b/SN 2025wkm: An X-ray Flash-Supernova Powered by a Central Engine and Circumstellar Interaction

Gokul P. Srinivasaragavan, Dongyue Li, Xander J. Hall +100

We present the discovery of EP250827b/SN 2025wkm, an X-ray Flash (XRF) discovered by the Einstein Probe (EP), accompanied by a broad-line Type Ic supernova (SN Ic-BL) at $z = 0.119…

astro-ph.HE2025

Multiwavelength Observations of the Apparently Non-repeating FRB 20250316A

Ye Li, Hui Sun, Lei Qian +72

The physical origin of fast radio bursts (FRBs) remains uncertain. Although multiwavelength observations have been widely conducted, only Galactic FRB~20200428D is associated with…

astro-ph.HE2025

{\tt RapidGBM}: An Efficient Tool for Fermi-GBM Visibility Checking and Data Analysis with a Case Study of EP240617a

Yun Wang, Jia Ren, Lu-Yao Jiang +15

We have developed a lightweight tool, {\tt RapidGBM}, featuring a web-based interface and capabilities of rapid calculation of Fermi Gamma-ray Burst Monitor (GBM) visibilities and…

astro-ph.HE2025★ 13 cited

Spectral Hardening Reveals Afterglow Emergence in Long-Duration Fast X-ray Transients: A Case Study of GRB 250404A/EP250404a

Yi-Han Iris Yin, Yuan Fang, Bin-Bin Zhang +56

The prompt emission and afterglow phases of gamma-ray bursts (GRBs) have been extensively studied, yet the transition between these two phases remains inadequately characterized du…

astro-ph.HE2025★ 15 cited

EP241021a: a months-duration X-ray transient with luminous optical and radio emission

Shu Xinwen, Yang Lei, Yang Haonan +82

We present the discovery of a peculiar X-ray transient, EP241021a, by the Einstein Probe (EP) mission, and the results from multiwavelength follow-up observations. The transient wa…

astro-ph.HE2025

EP240801a/XRF 240801B: An X-ray Flash Detected by the Einstein Probe and Implications of its Multiband Afterglow

Shuai-Qing Jiang, Dong Xu, Agnes P. C. van Hoof +89

We present multiband observations and analysis of EP240801a, a low-energy, extremely soft gamma-ray burst (GRB) discovered on August 1, 2024 by the Einstein Probe (EP) satellite, w…

astro-ph.HE2024★ 21 cited

Einstein Probe discovery of EP240408a: a peculiar X-ray transient with an intermediate timescale

Wenda Zhang, Weimin Yuan, Zhixing Ling +136

We report the discovery of a peculiar X-ray transient, EP240408a, by Einstein Probe (EP) and follow-up studies made with EP, Swift, NICER, GROND, ATCA and other ground-based multi-…

astro-ph.HE2024

LEIA discovery of the longest-lasting and most energetic stellar X-ray flare ever detected

Xuan Mao, He-Yang Liu, Song Wang +40

The Lobster Eye Imager for Astronomy (LEIA) detected a new X-ray transient on 2022 November 7, identified as a superflare event occurring on a nearby K-type giant star HD 251108. T…

astro-ph.HE2024

Long-term radio monitoring of the fast X-ray transient EP240315a: evidence for a relativistic jet

R. Ricci, E. Troja, Y. Yang +7

The recent launch of Einstein Probe (EP) in early 2024 opened up a new window onto the transient X-ray sky, allowing for real-time discovery and follow-up of fast X-ray transients…

astro-ph.HE2024★ 34 cited

Triggering the Untriggered: The First Einstein Probe-Detected Gamma-Ray Burst 240219A and Its Implications

Yi-Han Iris Yin, Bin-Bin Zhang, Jun Yang +49

The Einstein Probe (EP) achieved its first detection and localization of a bright X-ray flare, EP240219a, on 2024 February 19, during its commissioning phase. Subsequent targeted 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

The Very Early Soft X-ray Plateau of GRB 230307A: Signature of an Evolving Radiative Efficiency in Magnetar Wind Dissipation?

Shu-Qing Zhong, Long Li, Di Xiao +3

Very recently, a particularly long gamma-ray burst (GRB) 230307A was reported and proposed to originate from a compact binary merger based on its host galaxy property, kilonova, an…

astro-ph.HE2023★ 7 cited

Prospects for detecting neutron star-white dwarf mergers with decihertz gravitational-wave observatories

Yacheng Kang, Chang Liu, Jin-Ping Zhu +6

Based on different neutron star-white dwarf (NS-WD) population models, we investigate the prospects of gravitational-wave (GW) detections for NS-WD mergers, with the help of early…