Xue-Feng Wu
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View article: The Formation Rate and Luminosity Function of Fast X-Ray Transients from Einstein Probe
The Formation Rate and Luminosity Function of Fast X-Ray Transients from Einstein Probe Open
Following its launch on 2024 January 9, the Einstein Probe (EP) telescope has detected hundreds of fast X-ray transients (FXTs), yet their physical origins remain elusive. Understanding their luminosity function and formation rate is cruci…
View article: EP250827b/SN 2025wkm: An X-ray Flash-Supernova Powered by a Central Engine and Circumstellar Interaction
EP250827b/SN 2025wkm: An X-ray Flash-Supernova Powered by a Central Engine and Circumstellar Interaction Open
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 $z = 0.1194$. EP250827b possesses a prompt X-ray luminosity of $\sim …
View article: RapidGBM: An Efficient Tool for Fermi-GBM Visibility Checking and Data Analysis with a Case Study of EP240617a
RapidGBM: An Efficient Tool for Fermi-GBM Visibility Checking and Data Analysis with a Case Study of EP240617a Open
We have developed a lightweight tool, RapidGBM , featuring a web-based interface and capabilities of rapid calculation of Fermi Gamma-ray Burst Monitor (GBM) visibilities and performance of basic data analysis. It has two key features: (1)…
View article: The Formation Rate and Luminosity Function of Fast X-ray transients from Einstein probe
The Formation Rate and Luminosity Function of Fast X-ray transients from Einstein probe Open
Following its launch on 2024 January 9, the Einstein Probe (EP) telescope has detected hundreds of fast X-ray transients (FXTs), yet their physical origins remain elusive. Understanding their luminosity function and formation rate is cruci…
View article: Flat Tails in Fast Radio Burst and Pulsar Energy Distributions: Implications for Optimizing Nearby Fast Radio Burst Surveys
Flat Tails in Fast Radio Burst and Pulsar Energy Distributions: Implications for Optimizing Nearby Fast Radio Burst Surveys Open
Fast radio bursts (FRBs) are energetic, short-duration radio pulses of unclear origin. To explore effective survey strategies for detecting FRBs from nearby globular clusters (GCs), we investigate the burst energy distribution, which has a…
View article: Parkes Transient Events. II. Pulsar Single-pulses Database Containing Raw Data Segments
Parkes Transient Events. II. Pulsar Single-pulses Database Containing Raw Data Segments Open
We have reprocessed single-pulse candidates from the first four years (1997–2001) of the Parkes Multibeam receiver system observations, creating a new Parkes transient database (PTD II) that contains 165,592 single pulses from 363 known pu…
View article: EP241021a: A Catastrophic Collapse/Merger of Compact Star Binary Leading to the Formation of a Remnant Millisecond Magnetar?
EP241021a: A Catastrophic Collapse/Merger of Compact Star Binary Leading to the Formation of a Remnant Millisecond Magnetar? Open
Observations of fast X-ray transients (FXRTs) with the Einstein Probe have successfully led to the discovery of some unusual extragalactic optical transients. EP241021a is a newly discovered FXRT that was featured by a significant bump at …
View article: EP241021a: A Months-duration X-Ray Transient with Luminous Optical and Radio Emission
EP241021a: A Months-duration X-Ray Transient with Luminous Optical and Radio Emission Open
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 was first detected with the Wide-field X-ray Telescope as an i…
View article: Anisotropy of Core-collapse Supernovae Effected by the Disks of Active Galactic Nuclei
Anisotropy of Core-collapse Supernovae Effected by the Disks of Active Galactic Nuclei Open
Active galactic nuclei (AGN) disks provide dense environments that influence star formation, evolution, and migration. In AGN disks, pressure gradients and migration accelerations could create the anisotropy of the core-collapse supernovae…
View article: Parkes transient events: II. Pulsar single pulses database containing raw data segment
Parkes transient events: II. Pulsar single pulses database containing raw data segment Open
We have re-processed single pulse candidates from the first four years (1997-2001) of the Parkes Multibeam receiver system observations, creating a new Parkes transient database (PTD II) that contains 165,592 single pulses from 363 known p…
View article: Spectral Hardening Reveals Afterglow Emergence in Long-duration Fast X-Ray Transients: A Case Study of GRB 250404A/EP250404a
Spectral Hardening Reveals Afterglow Emergence in Long-duration Fast X-Ray Transients: A Case Study of GRB 250404A/EP250404a Open
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 due to limited multiwavelength observational coverage. Among …
View article: Prospects for the Detection of High-redshift Gamma-Ray Bursts in the Era of EP and SVOM
Prospects for the Detection of High-redshift Gamma-Ray Bursts in the Era of EP and SVOM Open
Gamma-ray bursts (GRBs) are a promising probe of the high-redshift Universe, but their detection remains observationally challenging. In this work, we explore the detectability of high- z GRBs by the Wide-field X-ray Telescope (WXT) on boa…
View article: EP240801a/XRF 240801B: An X-Ray Flash Detected by the Einstein Probe and the Implications of Its Multiband Afterglow
EP240801a/XRF 240801B: An X-Ray Flash Detected by the Einstein Probe and the Implications of Its Multiband Afterglow Open
We present multiband observations and analysis of EP240801a, a low-energy, extremely soft gamma-ray burst (GRB) discovered on 2024 August 1 by the Einstein Probe (EP) satellite with a weak contemporaneous signal also detected by the Fermi …
View article: Searching for Radio Pulsars in Old Open Clusters from the Parkes Archive
Searching for Radio Pulsars in Old Open Clusters from the Parkes Archive Open
Motivated by the discovery of a pulsar in the direction of the old open cluster NGC 6791, we conducted a search for radio pulsars in archival Parkes observations targeting similar old open clusters. We reprocessed 224 observations totallin…
View article: Softness Ratio of SWIFT Gamma-Ray Bursts and Relevant Correlations
Softness Ratio of SWIFT Gamma-Ray Bursts and Relevant Correlations Open
The properties of X-ray flashes (XRFs) and X-ray-rich gamma-ray bursts (XRRs) as compared with classical gamma-ray bursts (C-GRBs) have been widely discussed during the SWIFT era. It has been proposed that XRFs and XRRs are low-energy exte…
View article: Multi-year polarimetric monitoring of four CHIME-discovered repeating fast radio bursts with FAST
Multi-year polarimetric monitoring of four CHIME-discovered repeating fast radio bursts with FAST Open
View article: Searching for radio pulsars in old open clusters from the Parkes archive
Searching for radio pulsars in old open clusters from the Parkes archive Open
Motivated by the discovery of a pulsar in the direction of the old open cluster NGC 6791, we conducted a search for radio pulsars in archival Parkes observations targeting similar old open clusters. We reprocessed 224 observations totallin…
View article: The Soft X-Ray Aspect of Gamma-Ray Bursts in the Einstein Probe Era
The Soft X-Ray Aspect of Gamma-Ray Bursts in the Einstein Probe Era Open
The Einstein Probe (EP) satellite, dedicated to time-domain high-energy astrophysics and multimessenger astronomy, was recently launched and successfully put into operation. The Wide-field X-ray Telescope (WXT; 0.5–4 keV) on board has iden…
View article: Quasi-thermal Photosphere Emission from Structured Jets of Gamma-Ray Bursts
Quasi-thermal Photosphere Emission from Structured Jets of Gamma-Ray Bursts Open
The prompt emission of gamma-ray bursts (GRBs) is supposed to be released from the relativistic jet launched from the central engine. Apart from the nonthermal nature of spectra in the majority of GRBs, there is evidence for the presence o…
View article: Prospects for the Detection of High-Redshift Gamma-Ray Bursts in the Era of EP and SVOM
Prospects for the Detection of High-Redshift Gamma-Ray Bursts in the Era of EP and SVOM Open
Gamma-ray bursts (GRBs) are a promising probe of the high-redshift Universe, but their detection remains observationally challenging. In this work, we explore the detectability of high-$z$ GRBs by the Wide-field X-ray Telescope (WXT) aboar…
View article: EP241021a: A catastrophic collapse/merger of compact star binary leading to the formation of a remnant millisecond magnetar?
EP241021a: A catastrophic collapse/merger of compact star binary leading to the formation of a remnant millisecond magnetar? Open
Observations of fast X-ray transients (FXRTs) with the Einstein Probe have successfully led to the discovery of some unusual extragalactic optical transients. EP241021a is a newly discovered FXRT that was featured by a significant bump aro…
View article: Gamma-Ray Burst Timing: Decoding the Hidden Slow Jets in GRB 060729
Gamma-Ray Burst Timing: Decoding the Hidden Slow Jets in GRB 060729 Open
Gamma-ray bursts (GRBs) are luminous stellar explosions characterized by the ejection of relativistic jets. This work proposes a novel paradigm to study these GRB jets. By analyzing the timing information of prompt pulses and X-ray flares,…
View article: Detecting extragalactic axion-like dark matter with polarization measurements of fast radio bursts
Detecting extragalactic axion-like dark matter with polarization measurements of fast radio bursts Open
Axions or axion-like particles (ALPs) are one of the promising dark matter (DM) candidates. A prevalent method to detect axion-like DM is to seek periodic oscillation in the polarization angles (PAs) of linearly polarized light emitted fro…
View article: Effects of electrodeposition current density and additives on the microstructure and mechanical properties of copper films
Effects of electrodeposition current density and additives on the microstructure and mechanical properties of copper films Open
In CoWoS (Chip on Wafer on Substrate) packages, the mechanical properties face serious problems with decreasing Cu pillar size. In this paper, twinned Cu films were prepared by DC (DirectCurrent) electrodeposition with the addition of MPS …
View article: Decoding FRB energetics and frequency features hidden by observational incompleteness
Decoding FRB energetics and frequency features hidden by observational incompleteness Open
Fast radio bursts (FRBs) are fierce radio flashes lasting for a few milliseconds from the sky. Although their connection to strongly magnetized neutron stars has been strongly indicated, the exact triggering process and radiation mechanism…
View article: An active repeating fast radio burst in a magnetized eruption environment
An active repeating fast radio burst in a magnetized eruption environment Open
Fast radio bursts (FRBs) are millisecond-duration radio bursts with unidentified extra-galactic origin. Some FRBs exhibit mild magneto-ionic environmental variations, possibly attributed to plasma turbulence or geometric configuration vari…
View article: Intrinsic Pulse Widths of FRB 20121102A and Calculation of Broadening from Propagation and Instrumental Effects
Intrinsic Pulse Widths of FRB 20121102A and Calculation of Broadening from Propagation and Instrumental Effects Open
The pulse widths of fast radio bursts are always broadened due to the scattering of the plasma medium through which the electromagnetic wave passes. The recorded pulse width will be further affected by the radio telescopes since the sampli…
View article: A Universal Break in Energy Functions of Three Hyperactive Repeating Fast Radio Bursts
A Universal Break in Energy Functions of Three Hyperactive Repeating Fast Radio Bursts Open
Fast radio bursts (FRBs) are millisecond-duration pulses occurring at cosmological distances with a mysterious origin. Observations show that at least some FRBs are produced by magnetars. All magnetar-powered FRB models require some trigge…
View article: Time-integrated polarizations in the prompt phase of gamma-ray bursts via the multi-window interpretation
Time-integrated polarizations in the prompt phase of gamma-ray bursts via the multi-window interpretation Open
Aims. We used multi-window observations, including the light curve and evolutions of the spectral peak energy ( E p ), the polarization degree (PD), and the polarization angle (PA), to infer the model parameters for predicting the time-int…
View article: Long-term Radio Monitoring of the Fast X-Ray Transient EP 240315a: Evidence for a Relativistic Jet
Long-term Radio Monitoring of the Fast X-Ray Transient EP 240315a: Evidence for a Relativistic Jet Open
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 (FXRTs). Multiwavelength observations of FXRTs and their co…