activity
20212026
most citedFAST observations of an extremely active episode of FRB 20201124A: I. Burst morphology

92 citations · 253 across the 26 of their papers we have counts for

collaborators

27 papers

astro-ph.HE2026

No Strong Evidence for Plasma Lensing in FRB 20240114A

Jiarui Niu, Xiaohui Liu, Nan Xu +33

FRB 20240114A is an extremely active repeating fast radio burst for which plasma lensing has been proposed to explain its burst-rate variations, spectral evolution, and apparently…

astro-ph.HE2026

Flux Variations of Fast Radio Bursts and Their Persistent Radio Sources: Evidence for a Shared Progenitor

Xinming Li, Chenhui Niu, Jiaheng Zhang +24

Fast radio bursts (FRBs) are millisecond-duration extragalactic radio transients, some of which are associated with compact persistent radio sources (PRSs), hinting at a physical c…

astro-ph.HE2025

Statistical and Temporal Analysis of Multi-component Burst-clusters from the Repeating FRB 20190520B

Jia-heng Zhang, Chen-Hui Niu, Yu-hao Zhu +10

Fast Radio Bursts (FRBs) are bright, millisecond-duration extragalactic radio transients that probe extreme astrophysical environments. Many FRBs exhibit multi-component structures…

astro-ph.HE2025★ 10 cited

A Persistently Active Fast Radio Burst source Embedded in an Expanding Supernova Remnant

Chen-Hui Niu, Di Li, Yuan-Pei Yang +21

Fast radio bursts (FRBs) remain one of the most puzzling astrophysical phenomena. While most FRBs are detected only once or sporadically, we present the identification of FRB 20190…

astro-ph.IM2025★ 1 cited

Improving pulsar search efficiency in next-generation pulsar surveys with artificial intelligence

Qiuyang Fu, Mengyao Xue, Weiwei Zhu +12

Pulsar searching with next-generation radio telescopes requires efficiently sifting through millions of candidates generated by search pipelines to identify the most promising ones…

astro-ph.HE2025

Detecting FRB by DANCE: a method based on DEnsity ANalysis and Cluster Extraction

Mao Yuan, Jiarui Niu, Yi Feng +7

Fast radio bursts (FRBs) are transient signals exhibiting diverse strengths and emission bandwidths. Traditional single-pulse search techniques are widely employed for FRB detectio…

astro-ph.HE2025★ 6 cited

The double neutron star PSR J1946+2052 I. Masses and tests of general relativity

Lingqi Meng, Paulo C. C. Freire, Kevin Stovall +28

We conducted high-precision timing of PSR J1946+2052 to determine the masses of the two neutron stars in the system, test general relativity (GR) and assessed the system's potentia…

astro-ph.HE2025

Revealing the Temporally Stable Bimodal Energy Distribution of FRB 20121102A with a Tripled Burst Set from AI Detections

Yidan Wang, Jing Han, Pei Wang +34

Active repeating Fast Radio Bursts (FRBs), with their large number of bursts, burst energy distribution, and their potential energy evolution, offer critical insights into the FRBs…

astro-ph.HE2025

The magnetar model's energy crisis for a prolific repeating fast radio burst source

Jun-Shuo Zhang, Tian-Cong Wang, Pei Wang +61

Fast radio bursts (FRBs) are widely considered to originate from magnetars that power the explosion through releasing magnetic energy. Active repeating FRBs have been seen to produ…

astro-ph.HE2025★ 10 cited

Multi-year Polarimetric Monitoring of Four CHIME-Discovered Repeating Fast Radio Bursts with FAST

Yi Feng, Yong-Kun Zhang, Jintao Xie +50

In this study, we report multi-year polarization measurements of four repeating FRBs initially discovered by CHIME: FRBs~20190117A, 20190208A, 20190303A, and 20190417A. We observed…

astro-ph.HE2025★ 1 cited

Investigating FRB 20240114A with FAST: Morphological Classification and Drifting Rate Measurements in a Burst-Cluster Framework

Long-Xuan Zhang, Shiyan Tian, Junyi Shen +59

This study investigates the morphological classification and drifting rate measurement of the repeating fast radio burst (FRB) source FRB 20240114A using the Five-hundred-meter Ape…

astro-ph.HE2025★ 4 cited

A comprehensive search for Long and Short Periodic Features from an Extremely Active Cycle of FRB 20240114A

Dengke Zhou, Pei Wang, Jianhua Fang +56

Possible periodic features in fast radio bursts (FRBs) may provide insights into their astrophysical origins. Using extensive observations from the Five-hundred-meter Aperture Sphe…

astro-ph.HE2025

Single-pulse-based interstellar scintillation studies of RRATs

Zi-wei Wu, Wei-wei Zhu, Zi-yao Fang +16

The nature of irregularly spaced pulses of rotating radio transients (RRATs) complicates interstellar scintillation studies. In this letter, we report the primary scintillation par…

astro-ph.HE2025

A possible periodic RM evolution in the repeating FRB 20220529

Yi-Fang Liang, Ye Li, Zhen-Fan Tang +18

Fast radio bursts (FRBs) are mysterious millisecond-duration radio transients of extragalactic origin. Some of them repeat, while others apparently do not. Investigations of period…

astro-ph.HE2025

Polarization Position Angle Swing and the Rotating Vector Model of Repeating Fast Radio Bursts

Xiaohui Liu, Heng Xu, Jiarui Niu +23

Fast radio bursts (FRBs), typically highly polarized, usually have a nearly constant polarization position angle (PA) during each burst. Some bursts show significant PA variations,…

astro-ph.HE2025

A universal break in energy functions of three hyperactive repeating fast radio bursts

Q. Wu, F. Y. Wang, Z. Y. Zhao +16

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 mag…

astro-ph.HE2024

A 44-minute periodic radio transient in a supernova remnant

Di Li, Mao Yuan, Lin Wu +45

Long-period radio transients (LPTs) are a newly discovered class of radio emitters with periods ranging from minutes to hours. The astrophysical nature remains undetermined, partic…

astro-ph.HE2024

Sudden polarization angle jumps of the repeating fast radio burst FRB 20201124A

J. R. Niu, W. Y. Wang, J. C. Jiang +41

We report the first detection of polarization angle (PA) orthogonal jumps, a phenomenon previously only observed from radio pulsars, from a fast radio burst (FRB) source FRB 202011…

astro-ph.HE2024★ 23 cited

Ninety percent circular polarization detected in a repeating fast radio burst

J. C. Jiang, J. W. Xu, J. R. Niu +34

Fast radio bursts (FRBs) are extra-galactic sources with unknown physical mechanisms. They emit millisecond-duration radio pulses with isotropic equivalent energy of $10^{36}\sim10…

astro-ph.HE2024★ 1 cited

Scintillation velocity and arc observations of FRB 20201124A

Ziwei Wu, Weiwei Zhu, Bing Zhang +18

We present the scintillation velocity measurements of FRB~20201124A from the FAST observations, which reveal an annual variation. This annual variation is further supported by chan…

astro-ph.HE2024★ 10 cited

On the energy budget of starquake-induced repeating fast radio bursts

Wei-Yang Wang, Chen Zhang, Enping Zhou +7

With a growing sample of fast radio bursts (FRBs), we investigate the energy budget of different power sources within the framework of magnetar starquake triggering mechanism. Duri…

astro-ph.HE2024★ 8 cited

The Relativistic Spin Precession in the Compact Double Neutron Star System PSR~J1946+2052

Lingqi Meng, Weiwei Zhu, Michael Kramer +16

We observe systematic profile changes in the visible pulsar of the compact double neutron star system PSR~J1946+2052 using observations with the Five-hundred-meter Aperture Spheric…

astro-ph.HE2023★ 3 cited

Variability, polarimetry, and timing properties of single pulses from PSR J2222-0137 using FAST

X. L. Miao, W. W. Zhu, M. Kramer +14

In our work, we analyse single pulses from the recycled pulsar PSR J22220137 in one of its scintillation maxima observed by the Five-hundred-meter Aperture Spher…

astro-ph.HE2022★ 92 cited

FAST observations of an extremely active episode of FRB 20201124A: I. Burst morphology

D. J. Zhou, J. L. Han, B. Zhang +16

We report the properties of more than 600 bursts (including cluster-bursts) detected from the repeating fast radio burst (FRB) source FRB 20201124A with the Five-hundred-meter Aper…