194 citations · 1.1k across the 29 of their papers we have counts for
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A Giant Peanut-shaped Ultra-High-Energy Gamma-Ray Emitter Off the Galactic Plane
Zhen Cao, Felix Aharonian, Yunxiang Bai +312
Ultra-high-energy (UHE), exceeding 100 TeV (10^12 electronvolts), γ-rays manifests extreme particle acceleration in astrophysical sources. Recent observations by γ-ray telescopes,…
Rotation measure variations in Galactic Centre pulsars
F. Abbate, A. Noutsos, G. Desvignes +8
We report the results of an observational campaign using the Effelsberg 100-m telescope of the pulsars J17462849, J17462850, J17462856 and J17452912 located in the Cent…
Synchrotron Radiation Dominates the Extremely Bright GRB 221009A
Jun Yang, Xiao-Hong Zhao, Zhenyu Yan +30
The brightest Gamma-ray burst, GRB 221009A, has spurred numerous theoretical investigations, with particular attention paid to the origins of ultra-high energy TeV photons during t…
A Tight Three-parameter Correlation and Related Classification on Gamma-Ray Bursts
Shuai Zhang, Lang Shao, Bin-Bin Zhang +4
Gamma-ray bursts (GRBs) are widely believed to be from massive collapsars and/or compact binary mergers, which accordingly, would generate long and short GRBs, respectively. The de…
Periodicity Search on X-ray Bursts of SGR J1935+2154 Using 8.5 yr of Fermi/GBM Data
Jin-Hang Zou, Bin-Bin Zhang, Guo-Qiang Zhang +3
We performed a systematic search for X-ray bursts of the SGR J1935+2154 using the Fermi Gamma-ray Burst Monitor continuous data dated from Jan 2013 to October 2021. Eight bursting…
GRB 200415A: A Short Gamma-Ray Burst from a Magnetar Giant Flare?
Jun Yang, Vikas Chand, Bin-Bin Zhang +16
The giant flares of soft gamma-ray repeaters (SGRs) have long been proposed to contribute to at least a subsample of the observed short gamma-ray bursts (GRBs). In this paper, we p…
Magnetar Giant Flare Originated GRB 200415A: Transient GeV emission, Time-Resolved Correlation, and Implications
Vikas Chand, Jagdish C. Joshi, Rahul Gupta +12
Giant flares (GFs) are unusual bursts from soft gamma-ray repeaters (SGRs) that release an enormous amount of energy in a fraction of a second. The afterglow emission of these SGR-…
No pulsed radio emission during a bursting phase of a Galactic magnetar
L. Lin, C. F. Zhang, P. Wang +45
Fast radio bursts (FRBs) are mysterious millisecond-duration radio transients of unknown origin observed at extragalactic distances. It has been long speculated that magnetars are…
Multimessenger Tests of Einstein's Weak Equivalence Principle and Lorentz Invariance with a High-energy Neutrino from a Flaring Blazar
Jun-Jie Wei, Bin-Bin Zhang, Lang Shao +7
The detection of the high-energy ( TeV) neutrino coincident with the flaring blazar TXS 0506+056, the first and only neutrino-source association to date, provides new…
A Large Catalogue of Multi-wavelength GRB Afterglows I: Color Evolution And Its Physical Implication
Liang Li, Yu Wang, Lang Shao +5
The spectrum of gamma-ray burst (GRB) afterglows can be studied with color indices. Here we present a large comprehensive catalogue of 70 GRBs with multi-wavelength optical transie…
A peculiar low-luminosity short gamma-ray burst from a double neutron star merger progenitor
B. -B. Zhang, B. Zhang, H. Sun +15
Double neutron star (DNS) merger events are promosing candidates of short Gamma-ray Burst (sGRB) progenitors as well as high-frequecy gravitational wave (GW) emitters. On August 17…
Constraining Anisotropic Lorentz Violation via the Spectral-Lag Transition of GRB 160625B
Jun-Jie Wei, Xue-Feng Wu, Bin-Bin Zhang +3
Violations of Lorentz invariance can lead to an energy-dependent vacuum dispersion of light, which results in arrival-time differences of photons arising with different energies fr…
A New Test of Lorentz Invariance Violation: the Spectral Lag Transition of GRB 160625B
Jun-Jie Wei, Bin-Bin Zhang, Lang Shao +2
Possible violations of Lorentz invariance (LIV) have been investigated for a long time using the observed spectral lags of gamma-ray bursts (GRBs). However, these generally have re…
A New Measurement of the Spectral Lag of Gamma-Ray Bursts and its Implications for Spectral Evolution Behaviors
Lang Shao, Bin-Bin Zhang, Fu-Ri Wang +9
We carry out a systematical study of the spectral lag properties of 50 single-pulsed Gamma-Ray Bursts (GRBs) detected by Fermi/GBM. By dividing the light curves into multiple conse…
The second closest gamma-ray burst: sub-luminous GRB 111005A with no supernova in a super-solar metallicity environment
Michał J. Michałowski, Dong Xu, Jamie Stevens +17
We report the detection of the radio afterglow of a long gamma-ray burst (GRB) 111005A at 5-345 GHz, including the very long baseline interferometry observations with the positiona…
On the Late-Time Spectral Softening Found in X-ray Afterglows of Gamma-Ray Bursts
Yuan-Zhu Wang, Yinan Zhao, Lang Shao +2
Strong spectral softening has been revealed in the late X-ray afterglows of some gamma-ray bursts (GRBs). The scenario of X-ray scattering around circum-burst dusty medium has been…
Spectral Softening in X-ray Afterglow of GRB 130925A as Predicted by Dust Scattering Model
Yi-Nan Zhao, Lang Shao
Gamma-ray bursts (GRBs) usually occurs in a dense star-forming region with massive circum-burst medium. The small-angle scattering of intense prompt X-ray emission off the surround…
On the Puzzle of Long and Short Gamma-Ray Bursts
Lang Shao, Fu-Wen Zhang, Zi-Gao Dai +3
In this paper we give a brief review of our recent studies on the long and short gamma-ray bursts (GRBs) detected Swift, in an effort to understand the puzzle of classifying GRBs.…
GRB 131231A: Implications of the GeV emission
Bin Liu, Wei Chen, Yun-Feng Liang +7
GRB 131231A was detected by the Large Area Telescope onboard Fermi Space Gamma-ray Telescope. The high energy gamma-ray ( MeV) afterglow emission spectrum is $F_ν\propto ν^{…
Cosmological Time Dilation in Durations of Swift Long Gamma-Ray Bursts
Fu-Wen Zhang, Yi-Zhong Fan, Lang Shao +1
Cosmological time dilation is a fundamental phenomenon in an expanding universe, which stresses that both the duration and wavelength of the emitted light from a distant object at…
Revisiting the Long/Soft-Short/Hard Classification of Gamma-Ray Bursts in the Fermi Era
Fu-Wen Zhang, Lang Shao, Jing-Zhi Yan +1
We perform a statistical analysis of the temporal and spectral properties of the latest Fermi gamma-ray bursts (GRBs) to revisit the classification of GRBs. We find that the bimoda…
Effect of Dust Extinction on Gamma-ray Burst Afterglows
Gu-Jing Lv, Lang Shao, Zhi-Ping Jin +1
In order to study the effect of dust extinction on the afterglow of gamma-ray bursts (GRBs), we carry out numerical calculations with high precision based on rigorous Mie theory an…
Implications of Understanding Short Gamma-Ray Bursts Detected by {\it Swift}
Lang Shao, Zi-Gao Dai, Yi-Zhong Fan +3
In an effort to understand the puzzle of classifying gamma-ray bursts (GRBs), we perform a systematic study of {\it Swift} GRBs and investigate several short GRB issues. Though sho…
Sw 1644+57/GRB 110328A: the physical origin and the composition of the relativistic outflow
Lang Shao, Fu-Wen Zhang, Yi-Zhong Fan +1
Sw 1644+57/GRB 110328A is a remarkable cosmological X-ray outburst detected by the {\it Swift} satellite. Its early-time ( days since the trigger) X-ray emission res…