Showing 2022 · astro-ph.HEShow all

34 papers · 2 filters

astro-ph.HE2022★ 4 cited

Distribution of fast radio burst dispersion measures in CHIME/FRB Catalog 1: implications on the origin of FRBs

Jianwei Zhang, Chengmin Zhang, Di Li +7

Recently, CHIME/FRB project published its first fast radio burst (FRB) catalog (hereafter, Catalog 1), which totally contains 536 unique bursts. With the help of the latest set of…

astro-ph.HE2022★ 31 cited

Circular Polarization in two Active Repeating Fast Radio Bursts

Yi Feng, Yong-Kun Zhang, Di Li +5

Fast radio bursts (FRBs) are bright millisecond radio bursts at cosmological distances. Only a small fraction of FRBs apparently repeat. Polarization, a fundamental property of ele…

astro-ph.HE2022★ 19 cited

Wideband timing of the Parkes Pulsar Timing Array UWL data

Małgorzata Curyło, Timothy T. Pennucci, Matthew Bailes +14

In 2018 an ultra-wide-bandwidth low-frequency (UWL) receiver was installed on the 64-m Parkes Radio Telescope enabling observations with an instantaneous frequency coverage from 70…

astro-ph.HE2022★ 1 cited

Magnetar spin-down glitch clearing the way for FRB-like bursts and a pulsed radio episode

G. Younes, M. G. Baring, A. K. Harding +16

Magnetars are a special subset of the isolated neutron star family, with X-ray and radio emission mainly powered by the decay of their immense magnetic fields. Many attributes of m…

astro-ph.HE2022★ 15 cited

Search for Quasi-Periodical Oscillations in Precursors of Short and Long Gamma Ray Bursts

Shuo Xiao, Wen-Xi Peng, Shuang-Nan Zhang +23

The precursors of short and long Gamma Ray Bursts (SGRBs and LGRBs) can serve as probes of their progenitors, as well as shedding light on the physical processes of mergers or core…

astro-ph.HE2022★ 56 cited

FAST observations of an extremely active episode of FRB 20201124A: IV. Spin Period Search

Jia-Rui Niu, Wei-Wei Zhu, Bing Zhang +20

We report the properties of more than 800 bursts detected from the repeating fast radio burst (FRB) source FRB 20201124A with the Five-hundred-meter Aperture Spherical radio telesc…

astro-ph.HE2022★ 34 cited

Model constraints based on the IceCube neutrino non-detection of GRB 221009A

Shunke Ai, He Gao

GRB 221009A is a bright Gamma-ray burst (GRB) with isotropic energy being larger than . Its fairly low redshift makes it a promising candidate for high energy…

astro-ph.HE2022★ 20 cited

The Nearest Neutron Star Candidate in a Binary Revealed by Optical Time-domain Surveys

Ling-Lin Zheng, Mouyuan Sun, Wei-Min Gu +19

The near-Earth (within pc) supernova explosions in the past several million years can cause the global deposition of radioactive elements (e.g., Fe) on Earth. The…

astro-ph.HE2022★ 8 cited

SN 2019ein: A Type Ia Supernova Likely Originated from a Sub-Chandrasekhar-Mass Explosion

Gaobo Xi, Xiaofeng Wang, Wenxiong Li +12

We present extensive optical photometric and spectroscopic observations for the nearby Type Ia supernova (SN Ia) 2019ein, spanning the phases from days to days…

astro-ph.HE2022★ 28 cited

Model-based cross-correlation search for gravitational waves from the low-mass X-ray binary Scorpius X-1 in LIGO O3 data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1692

We present the results of a model-based search for continuous gravitational waves from the low-mass X-ray binary Scorpius X-1 using LIGO detector data from the third observing run…

astro-ph.HE2022★ 10 cited

An Insight-HXMT view of the mHz quasi-regular modulation phenomenon in the black hole X-ray binary 4U 1630-47

Zi-Xu Yang, Liang Zhang, Yue Huang +97

Here we report the spectral-timing results of the black hole X-ray binary 4U 1630-47 during its 2021 outburst using observations from the Hard X-ray Modulation Telescope. Type-C qu…

astro-ph.HE2022★ 38 cited

Evaluating the prevalence of spurious correlations in pulsar timing array datasets

Andrew Zic, George Hobbs, R. M. Shannon +13

Pulsar timing array collaborations have recently reported evidence for a noise process with a common spectrum among the millisecond pulsars in the arrays. The spectral properties o…

astro-ph.HE2022★ 57 cited

Strongly Lensed Transient Sources: A Review

Kai Liao, Marek Biesiada, Zong-Hong Zhu

The past decades have witnessed a lot of progress in gravitational lensing with two main targets: stars and galaxies (with active galactic nuclei). The success is partially attribu…

astro-ph.HE2022★ 7 cited

A global test of jet structure and delay time distribution of short-duration gamma-ray bursts

Jia-wei Luo, Ye Li, Shunke Ai +2

The multi-messenger joint observations of GW170817 and GRB170817A shed new light on the study of short-duration gamma-ray bursts (SGRBs). Not only did it substantiate the assumptio…

astro-ph.HE2022★ 29 cited

Observations of the Very Young Type Ia Supernova 2019np with Early-excess Emission

Hanna Sai, Xiaofeng Wang, Nancy Elias-Rosa +30

Early-time radiative signals from type Ia supernovae (SNe Ia) can provide important constraints on the explosion mechanism and the progenitor system. We present observations and an…

astro-ph.HE2022★ 26 cited

Revisit the periodicity of SGR J1935+2154 bursts with updated sample

Sheng-Lun Xie, Ce Cai, Shao-Lin Xiong +30

Since FRB 200428 has been found to be associated with an X-ray burst from the Galactic magnetar SGR J1935+2154, it is interesting to explore whether the magnetar bursts also follow…

astro-ph.HE2022★ 32 cited

GRB 211211A: a Prolonged Central Engine under a Strong Magnetic Field Environment

He Gao, Wei-Hua Lei, Zi-Pei Zhu

Recently, a kilonova-associated gamma-ray burst (GRB 211211A), whose light curve consists of a precursor (0.2 s), a hard spiky emission (10 s), and a soft long extended…

astro-ph.HE2022★ 36 cited

The Peculiar Precursor of a Gamma-Ray Burst from a Binary Merger Involving a Magnetar

Shuo Xiao, Yan-Qiu Zhang, Zi-Pei Zhu +42

The milestone discovery of GW 170817-GRB 170817A-AT 2017gfo has shown that gravitational wave (GW) could be produced during the merger of neutron star-neutron star/black hole and t…

astro-ph.HE2022

SN 2019va: A Type IIP Supernova with Large Influence of Nickel-56 Decay on the Plateau-phase Light Curve

Xinghan Zhang, Xiaofeng Wang, Hanna Sai +12

We present multi-band photometric and spectroscopic observations of the type II supernova, (SN) 2019va, which shows an unusually flat plateau-phase evolution in its V-band light cu…

astro-ph.HE2022★ 24 cited

Insight-HXMT dedicated 33-day observation of SGR J1935+2154 II. Burst Spectral Catalog

Ce Cai, Shaolin Xiong, Lin Lin +21

Since April 28, 2020, Insight-HXMT has implemented a dedicated observation on the magnetar SGR J1935+2154. Thanks to the wide energy band (1-250 keV) and high sensitivity of Insigh…

astro-ph.HE2022★ 70 cited

Search for continuous gravitational wave emission from the Milky Way center in O3 LIGO--Virgo data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1667

We present a directed search for continuous gravitational wave (CW) signals emitted by spinning neutron stars located in the inner parsecs of the Galactic Center (GC). Compelling e…

astro-ph.HE2022★ 17 cited

Gamma-Ray Bursts

Yun-Wei Yu, He Gao, Fa-Yin Wang +1

Gamma-ray bursts (GRB) are short and intense bursts of 100 keV1MeV photons, usually followed by long-lasting decaying afterglow emission in a wide range of electromagnetic…

astro-ph.HE2022★ 46 cited

Quasi-periodic oscillations of the X-ray burst from the magnetar SGR J1935+2154 and associated with the fast radio burst FRB 200428

Xiaobo Li, Mingyu Ge, Lin Lin +92

The origin(s) and mechanism(s) of fast radio bursts (FRBs), which are short radio pulses from cosmological distances, have remained a major puzzle since their discovery. We report…

astro-ph.HE2022★ 6 cited

Observational evidence for a spin-up line in the P-Pdot diagram of millisecond pulsars

Xiao-Jin Liu, Zhi-Qiang You, Xing-Jiang Zhu

It is believed that millisecond pulsars attain their fast spins by accreting matter and angular momentum from companion stars. Theoretical modelling of the accretion process sugges…