activity
20242026
most citedScience objectives of the Einstein Probe mission

89 citations · 226 across the 33 of their papers we have counts for

collaborators

34 papers

astro-ph.HE2026

Einstein Probe discovery of the magnetar EP J223759.5+531421

N. Rea, F. Coti Zelati, A. Borghese +44

We report the discovery and early outburst evolution of the new Galactic magnetar EP J223759.5+531421, detected by the Einstein Probe Wide-field X-ray Telescope on 2026 June 28. Fo…

astro-ph.HE2026

LHAASO-WCDA observed a 5 days TeV-delayed flaring event in blazar 1ES 1959+650

Zhen Cao, F. Aharonian, Y. X. Bai +339

We report a day-scale hard lag between GeV and TeV -ray emission from the HBL 1ES~1959+650 in early 2024. Since the LHAASO-WCDA real-time monitoring system began operation in la…

astro-ph.HE2026

Anisotropic Particle Transport from a Pulsar Wind Nebula Revealed by Einstein Probe and LHAASO

Zhen Cao, F. Aharonian, Y. X. Bai +339

Pulsar wind nebulae (PWNe) are major cosmic ray accelerators, yet the mechanisms transporting high-energy particles into the interstellar medium remain elusive. Building on the LHA…

astro-ph.HE2026

EP-FXT Observations of Abell 1795: X-ray properties and structure out to

Y. Tang, S. M. Jia, H. H. Zhao +20

We present deep X-ray observations of the nearby X-ray-luminous galaxy cluster Abell 1795 obtained with the Einstein Probe Follow-up X-ray Telescope EP-FXT, with a total exposure t…

astro-ph.HE2026

Multi-wavelength Constraints on the Transient EP250905a

J. Quirola-Vasquez, P. G. Jonker, A. Levan +30

Fast X-ray transients (FXTs) are a diverse class of high-energy suggested origins, ranging from stellar explosions to compact object mergers. The Einstein Probe (EP) satellite disc…

astro-ph.HE2026

X-rays breaking out of pre-explosion ejecta mark a supernova's first light

Weimin Yuan, Qiu-Ju Huang, Jin-Ping Zhu +130

Massive stars die as core-collapse supernovae, whose optical light emerges days after the implosion. Theory predicts that the initial collapse-driven shock, upon breaking through t…

astro-ph.HE2026

Discovery of EP J175257.3-351923 as a Candidate Black Hole Low-Mass X-ray Binary

G. L. Huang, Q. C. Zhao, L. Tao +30

We report the discovery of a new X-ray transient, EP J175257.3-351923 (EP250916a), by the Einstein Probe (EP) near the Galactic plane. The outburst lasted for at least 250\,days, r…

astro-ph.EP2026

Spin-Orbit Geometry of AU Mic b and c from Back-to-Back Transits Observed Contemporaneously with Magellan PFS, LCOGT, and CHEOPS

Zitao Lin, Gyula M. Szabó, Krzysztof Sz. Zieliński +37

Young planets offer a unique window into the early stages of planetary evolution. AU Mic is one of the nearest (9.8 pc) pre-main sequence stars (~20 Myr), hosting two transiting Ne…

astro-ph.HE2026★ 1 cited

Einstein Probe Discovery of an X-ray Flare from K-type Star PM J23221-0301

Guoying Zhao, WeiKang Zheng, Rong-Feng Shen +21

Stellar flares are an intense stellar activity that can significantly impact the atmospheric composition of the surrounding planets and even the possible existence of life. During…

astro-ph.HE2026

Minutes-long soft X-ray prompt emission from a compact object merger

An Li, Chen-Wei Wang, Niccolò Passaleva +75

Compact object mergers are multi-messenger sources and known progenitors of some gamma-ray bursts, bright flashes of high-energy radiation powered by a central engine, either an ac…

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★ 1 cited

A fast powerful X-ray transient from possible tidal disruption of a white dwarf

Dongyue Li, Wenda Zhang, Jun Yang +97

Stars captured by black holes (BHs) can be torn apart by strong tidal forces, producing electromagnetic flares. To date, more than 100 tidal disruption events (TDEs) have been obse…

astro-ph.SR2025

Hard X-ray Emission in AU Mic Flares: A Minor Contributor to Planetary Atmospheric Escape

Yifan Hu, Murray Brightman, Fabio Favata +7

Stellar flares are potent drivers of atmospheric evolution on orbiting exoplanets, primarily through extreme ultraviolet (EUV) and soft X-ray (XUV) irradiation. However, the contri…

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★ 2 cited

Imaging-spectroscopy diagnosis of the giant sloshing spiral in the Virgo cluster with the Einstein Probe Follow-up X-ray Telescope

X. Zheng, S. Jia, C. Li +46

We performed deep X-ray observations of the Virgo cluster using the Einstein Probe Follow-up X-ray Telescope (EP-FXT) with a total exposure of 295 ks. Leveraging the large field of…

astro-ph.HE2025

Einstein Probe Discovery of EP J182730.0-095633: A New Black Hole X-ray Binary Candidate in Faint Outburst?

Huaqing Cheng, Qingchang Zhao, L. Tao +77

Black hole X-ray binaries (candidates) currently identified in our galaxy are mainly transient sources, with the majority discovered through the detection of their X-ray outbursts.…

astro-ph.HE2025

Disk Instability Model for Quasi-Periodic Eruptions: Investigating Period Dispersion and Peak Temperature

Xin Pan, Shuang-Liang Li, Xinwu Cao +2

Quasi-periodic eruptions (QPEs) are a class of X-ray repeating burst phenomena discovered in recent years. Many models have been proposed to study this phenomenon, there remains si…

astro-ph.HE2025★ 3 cited

Einstein Probe discovery of the short period intermediate polar EP J115415.8-501810

Y. Xiao, M. Ge, N. Rea +21

The X-ray transient source EP240309a/EP\,J115415.8501810 was first detected by the Wide-Field X-ray Telescope (WXT) on board Einstein Probe (EP) during the commissioning phase.…

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★ 5 cited

The soft X-ray transient EP241021a: A cosmic explosion with a complex off-axis jet and cocoon from a massive progenitor

Giulia Gianfagna, Luigi Piro, Gabriele Bruni +22

X-ray flashes (XRFs) are fast X-ray transients thought to be softer analogs of gamma-ray bursts (GRBs). With its soft X-ray sensitivity, the Einstein Probe (EP) provides a unique o…

astro-ph.HE2025★ 3 cited

An extremely soft and weak fast X-ray transient associated with a luminous supernova

W. -X. Li, Z. -P. Zhu, X. -Z. Zou +101

Long gamma-ray bursts (LGRBs), including their subclasses of low-luminosity GRBs (LL-GRBs) and X-ray flashes (XRFs) characterized by low spectral peak energies, are known to be ass…

astro-ph.HE2025★ 89 cited

Science objectives of the Einstein Probe mission

Weimin Yuan, Lixin Dai, Hua Feng +93

The Einstein Probe (EP) is an interdisciplinary mission of time-domain and X-ray astronomy. Equipped with a wide-field lobster-eye X-ray focusing imager, EP will discover cosmic X-…

astro-ph.HE2024

Detection of an Orphan X-ray Flare from a Blazar Candidate EP240709a with Einstein Probe

Mingjun Liu, Yijia Zhang, Yun Wang +49

Blazars are often observed to flare across multiple wavelengths. Orphan flares from blazars have been only detected a few times, providing an opportunity to understand the structur…