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20232026
most citedExtract cleaned Swift/UVOT UV grism spectra with uvotpy package

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astro-ph.HE2026

A Boundary-Consistent Two-Zone Electron Kernel for Distant Pulsar Contributions to Positron Flux and Anisotropy

Yiwei Bao, Jie-Shuang Wang, Hao Zhou

We present a semi-analytical series solution for electron and positron propagation in a spherical two-zone diffusion model. The solution treats slow diffusion inside a near-source…

astro-ph.HE2026

GRB 250424A: A Case Study of Energy Injection with Multiwavelength Observations

Yifang Liang, Yun Wang, WeiKang Zheng +61

We present a comprehensive multiwavelength analysis of the long-duration gamma-ray burst (GRB) 250424A. Our dataset spans from the prompt gamma-ray emission to late-time optical mo…

astro-ph.HE2026

Revealing the high redshift host galaxy of the short GRB 061201 with JWST

Yuhan Mao, Hanrui He, Jia Ren +6

Using deep near-infrared and optical images from JWST and HST, we identify a new host galaxy candidate for GRB 061201. It lies ~2" from the optical afterglow position. Photometric…

astro-ph.HE2026

The Double-Burst Nature and Early Afterglow Evolution of Long GRB 110801A

Qiu-Li Wang, Hao Zhou, Yun Wang +3

We present a comprehensive temporal and spectral analysis of the long-duration gamma-ray burst GRB 110801A, utilizing multi-band data from the Neil Gehrels Swift Observatory and gr…

astro-ph.HE2025

GRB 240825A: Early Reverse Shock and Its Physical Implications

Chao Wu, Yun Wang, Hua-Li Li +84

Early multiwavelength observations offer crucial insights into the nature of the relativistic jets responsible for gamma-ray bursts and their interaction with the surrounding mediu…

astro-ph.HE2025

Forward and Reverse Shock Emission from Relativistic Jets with Arbitrary Angular and Stratified Radial Profiles

Hao Wang, Hao Zhou, Yi-Zhong Fan +1

Gamma-ray bursts are expected to be generated by structured jets, whose profiles significantly impact their afterglow emission. Previously, we developed a numerical code jetsimpy,…