Showing 2024 · astro-ph.HEShow all

19 papers · 2 filters

astro-ph.HE2024★ 11 cited

Magnetic reconnection under centrifugal and gravitational electromotive forces

Zhong-Ying Fan, Fan Zhou, Yuehang Li +2

We examine the physical implications of the centrifugal and gravitational electromotive forces on magnetic reconnection in a Kerr black hole background. We find that both forces in…

astro-ph.HE2024

New Constraints on Lorentz Invariance Violation at High Redshifts from Multiband of GRBs

Mingyue Chen, Jun Tian, Yu Pan +2

In the gravity quantum theory, the quantization of spacetime may lead to the modification of the dispersion relation between the energy and the momentum and the Lorentz invariance…

astro-ph.HE2024★ 1 cited

Cosmological Model Independent Constraints on Lorentz Invariance Violation with Updated Gamma-Ray Burst Observations: An Artificial Neural Network Approach

Jun Tian, Yu Pan, Shuo Cao +2

Searching for Lorentz invariance violation (LIV) using astrophysical sources such as gamma-ray bursts (GRBs) is crucial for probing quantum gravity. However, the dependence of LIV…

astro-ph.HE2024★ 15 cited

The birth mass function of neutron stars

Zhi-Qiang You, Xingjiang Zhu, Xiaojin Liu +12

The birth mass function of neutron stars encodes rich information about supernova explosions, double star evolution, and properties of matter under extreme conditions. To date, it…

astro-ph.HE2024★ 2 cited

Theoretical Radio Signals from Radio-Band Gravitational Waves Converted from the Neutron Star Magnetic Field

Wei Hong, Zhen-Zhao Tao, Peng He +1

Gravitational waves (GWs) can convert into electromagnetic waves in the presence of a magnetic field via the Gertsenshtein-Zeldovich (GZ) effect. The characteristics of the magneti…

astro-ph.HE2024★ 4 cited

Pulsar Polarization Array Limits on Ultralight Axion-like Dark Matter

Xiao Xue, Shi Dai, Hoang Nhan Luu +20

We conduct the first-ever Pulsar Polarization Array (PPA) analysis to detect the ultralight Axion-Like Dark Matter (ALDM) using the polarization data of 22 millisecond pulsars from…

astro-ph.HE2024★ 21 cited

Einstein Probe discovery of EP240408a: a peculiar X-ray transient with an intermediate timescale

Wenda Zhang, Weimin Yuan, Zhixing Ling +136

We report the discovery of a peculiar X-ray transient, EP240408a, by Einstein Probe (EP) and follow-up studies made with EP, Swift, NICER, GROND, ATCA and other ground-based multi-…

astro-ph.HE2024★ 30 cited

A fast X-ray transient from a weak relativistic jet associated with a type Ic-BL supernova

H. Sun, W. -X. Li, L. -D. Liu +163

Massive stars end their lives as core-collapse supernovae, amongst which some extremes are broad-lined type Ic supernovae from Wolf-Rayet stars associated with long-duration gamma-…

astro-ph.HE2024★ 6 cited

Massive stars exploding in a He-rich circumstellar medium X. Flash spectral features in the Type Ibn SN 2019cj and observations of SN 2018jmt

Z. -Y. Wang, A. Pastorello, K. Maeda +48

We present optical and near-infrared observations of two Type Ibn supernovae (SNe), SN 2018jmt and SN 2019cj. Their light curves have rise times of about 10 days, reaching an absol…

astro-ph.HE2024★ 65 cited

The neutron star mass, distance, and inclination from precision timing of the brilliant millisecond pulsar J04374715

Daniel J. Reardon, Matthew Bailes, Ryan M. Shannon +17

The observation of neutron stars enables the otherwise impossible study of fundamental physical processes. The timing of binary radio pulsars is particularly powerful, as it enable…

astro-ph.HE2024★ 19 cited

FAST Discovery of Eight Isolated Millisecond Pulsars in NGC 6517

Dejiang Yin, Li-yun Zhang, Lei Qian +14

We present the discovery of 8 isolated millisecond pulsars in Globular Cluster (GC) NGC 6517 using the Five-Hundred-meter Aperture Spherical radio Telescope (FAST). The spin period…

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★ 13 cited

Finding the Particularity of the Active Episode of SGR J1935+2154 during Which FRB 20200428 Occurred: Implication from Statistics of Fermi/GBM X-Ray Bursts

Sheng-Lun Xie, Yun-Wei Yu, Shao-Lin Xiong +5

By using the Fermi/Gamma-ray Burst Monitor data of the X-ray bursts (XRBs) of SGR J1935+2154, we investigate the temporal clustering of the bursts and the cumulative distribution o…

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.HE2024★ 4 cited

Concise Spectrotemporal Studies of Magnetar SGR J1935+2154 Bursts

Ozge Keskin, Ersin Gogus, Yuki Kaneko +6

SGR J1935+2154 has truly been the most prolific magnetar over the last decade: It has been entering into burst active episodes once every 1-2 years since its discovery in 2014, it…

astro-ph.HE2024★ 10 cited

On the initial spin period distribution of neutron stars

Shen-Shi Du, Xiao-Jin Liu, Zu-Cheng Chen +3

We derive the initial spin period distribution of neutron stars by studying the population of young pulsars associated with supernova remnants. Our hierarchical Bayesian approach a…

astro-ph.HE2024★ 3 cited

Gravitational Wave Emission from Close-in Strange Quark Planets Around Strange Stars with Magnetic Interactions

Xiao-Li Zhang, Ze-Cheng Zou, Yong-Feng Huang +4

According to the strange quark matter hypothesis, strange planets may exist, which are planetary mass objects composed of almost equal numbers of up, down and strange quarks. A str…

astro-ph.HE2024★ 2 cited

Is PSR J05144002E in a PBH-NS binary?

Zu-Cheng Chen, Lang Liu

Recent pulsar timing observations using MeerKAT of the eccentric binary millisecond pulsar, PSR J05144002E, have unveiled a companion with a mass in the mass gap, ranging from $…

astro-ph.HE2024★ 2 cited

Characterizing the Gamma-ray Emission Properties of the Globular Cluster M5 with the Fermi-LAT

X. Hou, W. Zhang, P. C. C. Freire +14

We analyzed the globular cluster M5 (NGC 5904) using 15 years of gamma-ray data from the Fermi Large Area Telescope (LAT). Using rotation ephemerides generated from Arecibo and FAS…