output
19932026
Showing 2021 · astro-ph.HEShow all

33 papers · 2 filters

astro-ph.HE2021★ 12 cited

GECAM detection of a bright type-I X-ray burst from 4U 0614+09: confirmation its spin frequency at 413 Hz

Y. P. Chen, J. Li, S. L. Xiong +87

One month after launching Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM), a bright thermonuclear X-ray burst from 4U~0614+09, was observed on Ja…

astro-ph.HE2021★ 9 cited

Relevance of VHE Blazar Spectra Models with Axion-Like Particles

Hai-Jun Li

The oscillation of photons and axion-like particles (ALPs) in the astrophysical magnetic fields could modify the measured very high energy (VHE; )…

astro-ph.HE2021★ 23 cited

A Search for Millilensing Gamma-Ray Bursts in the Observations of Fermi GBM

Shi-Jie Lin, An Li, He Gao +8

Millilensing of Gamma-Ray Bursts (GRBs) is expected to manifest as multiple emission episodes in a single triggered GRB with similar light-curve patterns and similar spectrum prope…

astro-ph.HE2021★ 31 cited

Population Properties of Gravitational-Wave Neutron Star--Black Hole Mergers

Jin-Ping Zhu, Shichao Wu, Ying Qin +3

Over the course of the third observing run of LIGO-Virgo-KAGRA Collaboration, several gravitational-wave (GW) neutron star--black hole (NSBH) candidates have been announced. By ass…

astro-ph.HE2021★ 13 cited

Searching for gravitationally lensed gamma-ray bursts with their afterglows

Sheng-Nan Chen, Xu-Dong Wen, He Gao +8

Gamma-ray bursts (GRBs) at high redshifts are expected to be gravitationally lensed by objects of different mass scales. Besides a single recent claim, no lensed GRB has been detec…

astro-ph.HE2021★ 23 cited

Redshift evolution of the Amati relation: calibrated results from the Hubble diagram of quasars at high redshifts

Yan Dai, Xiao-Gang Zheng, Zheng-Xiang Li +2

Gamma-ray bursts (GRBs) have long been proposed as a complementary probe to type Ia supernovae (SNe Ia) and cosmic microwave background to explore the expansion history of the high…

astro-ph.HE2021★ 6 cited

The evolution effects of radius and moment of inertia for rapidly rotating neutron stars

Lin Lan, He Gao, Shunke Ai +1

A newly born millisecond magnetar is thought to be the central engine of some gamma-ray bursts (GRBs), especially those that present long-lasting X-ray plateau emissions. By solvin…

astro-ph.HE2021★ 41 cited

Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift During the LIGO-Virgo Run O3b

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1632

We search for gravitational-wave signals associated with gamma-ray bursts detected by the Fermi and Swift satellites during the second half of the third observing run of Advanced L…

astro-ph.HE2021★ 96 cited

All-sky search for gravitational wave emission from scalar boson clouds around spinning black holes in LIGO O3 data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1669

This paper describes the first all-sky search for long-duration, quasi-monochromatic gravitational-wave signals emitted by ultralight scalar boson clouds around spinning black hole…

astro-ph.HE2021★ 74 cited

Searches for Gravitational Waves from Known Pulsars at Two Harmonics in the Second and Third LIGO-Virgo Observing Runs

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1694

We present a targeted search for continuous gravitational waves (GWs) from 236 pulsars using data from the third observing run of LIGO and Virgo (O3) combined with data from the se…

astro-ph.HE2021★ 282 cited

Common-red-signal analysis with 24-yr high-precision timing of the European Pulsar Timing Array: Inferences in the stochastic gravitational-wave background search

S. Chen, R. N. Caballero, Y. J. Guo +49

We present results from the search for a stochastic gravitational-wave background (GWB) as predicted by the theory of General Relativity using six radio millisecond pulsars from th…

astro-ph.HE2021★ 3 cited

A powerful e^{+-} outflow driven by a proto-strange quark star

Shao-Ze Li, Yun-Wei Yu, He Gao +2

An electron-positron layer can cover the surface of a bare strange star (SS), the electric field in which can excite the vacuum and drive a pair wind by taking away the heat of the…

astro-ph.HE2021★ 29 cited

Searching for Axion-Like Particles with the Blazar Observations of MAGIC and Fermi-LAT

Hai-Jun Li, Xiao-Jun Bi, Peng-Fei Yin

We explore the axion-like particle (ALP)-photon oscillation effect in the -ray spectra of the blazars Markarian 421 (Mrk 421) and PG 1553+113, which are measured by the Major At…

astro-ph.HE2021★ 17 cited

Kilonova and Optical Afterglow from Binary Neutron Star Mergers. II. Optimal Search Strategy for Serendipitous Observations and Target-of-opportunity Observations of Gravitational-wave Triggers

Jin-Ping Zhu, Shichao Wu, Yuan-Pei Yang +8

In the second work of this series, we explore the optimal search strategy for serendipitous and gravitational-wave-triggered target-of-opportunity (ToO) observations of kilonovae a…

astro-ph.HE2021★ 7 cited

On the large apparent black hole spin-orbit misalignment angle in GW200115

Xing-Jiang Zhu

GW200115 is one of the first two confidently detected gravitational-wave events of neutron star-black hole mergers. An interesting property of this merger is that the black hole, i…

astro-ph.HE2021★ 25 cited

Search for Gamma-Ray Bursts and Gravitational Wave Electromagnetic Counterparts with High Energy X-ray Telescope of \textit{Insight}-HXMT

C. Cai, S. L. Xiong, C. K. Li +96

The High Energy X-ray telescope (HE) on-board the Hard X-ray Modulation Telescope (\textit{Insight}-HXMT) can serve as a wide Field of View (FOV) gamma-ray monitor with high time r…

astro-ph.HE2021★ 61 cited

Search for continuous gravitational waves from 20 accreting millisecond X-ray pulsars in O3 LIGO data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1634

Results are presented of searches for continuous gravitational waves from 20 accreting millisecond X-ray pulsars with accurately measured spin frequencies and orbital parameters, u…

astro-ph.HE2021★ 49 cited

No Detectable Kilonova Counterpart is Expected for O3 Neutron Star-Black Hole Candidates

Jin-Ping Zhu, Shichao Wu, Yuan-Pei Yang +5

We analyse the tidal disruption probability of potential neutron star--black hole (NSBH) merger gravitational wave (GW) events, including GW190426_152155, GW190814, GW200105_162426…

astro-ph.HE2021★ 77 cited

The Parkes pulsar timing array second data release: Timing analysis

D. J. Reardon, R. M. Shannon, A. D. Cameron +14

The main goal of pulsar timing array experiments is to detect correlated signals such as nanohertz-frequency gravitational waves. Pulsar timing data collected in dense monitoring c…

astro-ph.HE2021

Broadband variability study of MAXI J1631-479 in its Hard-Intermediate State observed with Insight-HXMT

Q. C. Bu, S. N. Zhang, A. Santangelo +10

We report the energy-resolved broadband timing analysis of the black hole X-ray transient MAXI J1631-479 during its 2019 outburst from February 11 to April 9, using data from the I…

astro-ph.HE2021★ 33 cited

GRB 210121A: A Typical Fireball Burst Detected by Two Small Missions

Xiangyu Ivy Wang, Xutao Zheng, Shuo Xiao +48

The Chinese CubeSat Mission, Gamma Ray Integrated Detectors (GRID), recently detected its first gamma-ray burst, GRB 210121A, which was jointly observed by the Gravitational wave h…

astro-ph.HE2021★ 23 cited

Fermi-GBM Observations of the SGR J1935+2154 Burst Forest

Yuki Kaneko, Ersin Gogus, Matthew G. Baring +7

During 2020 April and May, SGR J1935+2154 emitted hundreds of short bursts and became one of the most prolific transient magnetars. At the onset of the active bursting period, a 13…

astro-ph.HE2021★ 91 cited

Search for intermediate mass black hole binaries in the third observing run of Advanced LIGO and Advanced Virgo

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

Intermediate-mass black holes (IMBHs) span the approximate mass range --, between black holes (BHs) formed by stellar collapse and the supermassive BHs at the c…

astro-ph.HE2021★ 48 cited

Multi-messenger Detection Rates and distributions of Binary Neutron Star Mergers and Their Cosmological Implications

Jiming Yu, Haoran Song, Shunke Ai +6

The gravitational-wave (GW) events, produced by the coalescence of binary neutron-stars (BNS), can be treated as the standard sirens to probe the expansion history of the Universe,…