activity
19992026
most citedA fast radio burst source at a complex magnetised site in a barred galaxy

197 citations · 1.3k across the 40 of their papers we have counts for

collaborators

40 papers

astro-ph.HE2026

LHAASO-WCDA observed a 5 days TeV-delayed flaring event in blazar 1ES 1959+650

Zhen Cao, F. Aharonian, Y. X. Bai +339

We report a day-scale hard lag between GeV and TeV -ray emission from the HBL 1ES~1959+650 in early 2024. Since the LHAASO-WCDA real-time monitoring system began operation in la…

astro-ph.HE2026

Relativistic effects of PSR~J1856--0039 double neutron star system in a 2.36-hour compact orbit

Z. L. Yang, J. L. Han, W. Q. Su +11

Compact double neutron star (DNS) systems are unique laboratories for testing gravitational theories and studying DNS mergers. Here we report the properties of a new DNS system, PS…

astro-ph.HE2025

LHAASO Detection of Ultra-High-Energy Gamma-Ray Emission toward the Giant Molecular Clouds

Zhen Cao, F. Aharonian, Y. X. Bai +310

The -ray from Giant molecular clouds (GMCs) is regarded as the most ideal tool to perform in-situ measurement of cosmic ray (CR) density and spectra in our Galaxy. We report the…

astro-ph.HE2025

Energy calibration of LHAASO-KM2A using the cosmic ray Moon shadow

Zhen Cao, F. Aharonian, Y. X. Bai +323

We present a precise measurement of the westward, rigidity-dependent shift of the Moon's shadow using three and a half years of cosmic-ray data collected by the Kilometer Square Ar…

astro-ph.HE2025★ 16 cited

A pulsar-helium star compact binary system formed by common envelope evolution

Z. L. Yang, J. L. Han, D. J. Zhou +33

A stellar common envelope occurs in a binary system when the atmosphere of an evolving star expands to encompass an orbiting companion object. Such systems are predicted to evolve…

astro-ph.HE2025

All-sky search for individual Primordial Black Hole bursts with LHAASO

Zhen Cao, F. Aharonian, Y. X. Bai +311

Primordial Black Holes~(PBHs) are hypothetical black holes with a wide range of masses that formed in the early universe. As a result, they may play an important cosmological role…

astro-ph.HE2024★ 4 cited

Broad-band X-ray spectral and timing properties of the accreting millisecond X-ray pulsar IGR J174982921 during the 2023 outburst

Zhaosheng Li, L. Kuiper, Y. Y. Pan +10

We report on the broadband spectral and timing properties of the accreting millisecond X-ray pulsar IGR J174982921 during its April 2023 outburst using data from NICER (110 k…

astro-ph.HE2024★ 8 cited

Evidence for particle acceleration approaching PeV energies in the W51 complex

The LHAASO Collaboration, Zhen Cao, F. Aharonian +284

The -ray emission from the W51 complex is widely acknowledged to be attributed to the interaction between the cosmic rays (CRs) accelerated by the shock of supernova remnant (SN…

astro-ph.IM2024

Data quality control system and long-term performance monitor of the LHAASO-KM2A

Zhen Cao, F. Aharonian, Axikegu +282

The KM2A is the largest sub-array of the Large High Altitude Air Shower Observatory (LHAASO). It consists of 5216 electromagnetic particle detectors (EDs) and 1188 muon detectors (…

astro-ph.HE2024★ 15 cited

The FAST Galactic Plane Pulsar Snapshot Survey -- V. PSR J1901+0658 in a double neutron star system

W. Q. Su, J. L. Han, Z. L. Yang +13

Double neutron star (DNS) systems offer excellent opportunities to test gravity theories. We report the timing results of PSR J1901+0658, the first pulsar discovered in the FAST Ga…

astro-ph.IM2024★ 13 cited

LHAASO-KM2A detector simulation using Geant4

Zhen Cao, F. Aharonian, Q. An +275

KM2A is one of the main sub-arrays of LHAASO, working on gamma ray astronomy and cosmic ray physics at energies above 10 TeV. Detector simulation is the important foundation for es…

astro-ph.HE2023★ 9 cited

The FAST Galactic Plane Pulsar Snapshot survey: IV. Discovery of five fast radio bursts

D. J. Zhou, J. L. Han, W. C. Jing +8

We report five new fast radio bursts (FRBs) discovered from the Galactic Plane Pulsar Snapshot (GPPS) survey by the Five-hundred-meter Aperture Spherical radio Telescope (FAST): FR…

astro-ph.HE2023★ 7 cited

Identifying axion conversion in compact star magnetospheres with radio-wave polarization signatures

Z. H. Xue, K. J. Lee, X. D. Gao +1

The axion is well motivated in physics. It solves the strong charge conjugation-parity reversal problem CP in fundamental physics and the dark matter problem in astronomy. Its inte…

astro-ph.HE2023★ 13 cited

The FAST Galactic Plane Pulsar Snapshot Survey: III. Timing results of 30 FAST-GPPS discovered pulsars

W. Q. Su, J. L. Han, P. F. Wang +14

Timing observations are crucial for determining the basic parameters of newly discovered pulsars. Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST) with the L-…

astro-ph.HE2023★ 10 cited

Pulsar Glitch in a Strangeon Star Model. III. The recovery

X. Y. Lai, W. H. Wang, J. P. Yuan +3

Strangeon star model has passed various observational tests, such as the massive pulsars and the tidal deformability during binary mergers. Pulsar glitch, as a useful probe for stu…

astro-ph.HE2022★ 11 cited

Exploring the single-pulse behaviours of PSR J0628+0909 with FAST

J. A. Hsu, J. C. Jiang, H. Xu +2

More than 100 rotating radio transients (RRATs) have been discovered since 2006. However, it is unclear whether RRATs radiate in the nulling states. PSR J0628+0909 has been classif…

astro-ph.HE2022★ 40 cited

Constraints on heavy decaying dark matter from 570 days of LHAASO observations

The LHAASO Collaboration, Zhen Cao, F. Aharonian +276

The Kilometer Square Array~(KM2A) of the Large High Altitude Air Shower Observatory (LHAASO) aims at surveying the northern gamma-ray sky at energies above 10 TeV with unprecedente…

astro-ph.HE2021★ 191 cited

Peta-electron volt gamma-ray emission from the Crab Nebula

The LHAASO Collaboration, Zhen Cao, F. Aharonian +269

The Crab pulsar and the surrounding nebula powered by the pulsar's rotational energy through the formation and termination of a relativistic electron-positron wind is a bright sour…

astro-ph.HE2021★ 197 cited

A fast radio burst source at a complex magnetised site in a barred galaxy

H. Xu, J. R. Niu, P. Chen +71

Fast radio bursts (FRBs) are highly dispersed millisecond-duration radio bursts. Recent observations of a Galactic FRB suggest that at least some FRBs originate from magnetars, but…

astro-ph.HE2021★ 34 cited

Discovery of a new -ray source LHAASO J0341+5258 with emission up to 200TeV

The LHAASO Collaboration, Zhen Cao, F. Aharonian +267

We report the discovery of a new unidentified extended -ray source in the Galactic plane named LHAASO J0341+5258 with a pre-trial significance of 8.2 standard deviations above 2…

astro-ph.HE2021★ 5 cited

Exploring Lorentz Invariance Violation from Ultra-high-energy Gamma Rays Observed by LHAASO

Zhen Cao, F. Aharonian, Q. An +268

Recently the LHAASO Collaboration published the detection of 12 ultra-high-energy gamma-ray sources above 100 TeV, with the highest energy photon reaching 1.4 PeV. The first detect…

astro-ph.HE2021★ 51 cited

Discovery of the Ultra-high energy gamma-ray source LHAASO J2108+5157

The LHAASO collaboration, Zhen Cao, F. Aharonian +267

We report the discovery of a UHE gamma-ray source, LHAASO J2108+5157, by analyzing the LHAASO-KM2A data of 308.33 live days. Significant excess of gamma-ray induced showers is obse…

astro-ph.HE2021★ 135 cited

Extended Very-High-Energy Gamma-Ray Emission Surrounding PSR J0622 + 3749 Observed by LHAASO-KM2A

The LHAASO collabration, Zhen Cao, F. Aharonian +310

We report the discovery of an extended very-high-energy (VHE) gamma-ray source around the location of the middle-aged (207.8 kyr) pulsar PSR J0622+3749 with the Large High Altitude…

astro-ph.IM2021★ 31 cited

HUBS: A dedicated hot circumgalactic medium explorer

Wei Cui

The Hot Universe Baryon Surveyor (HUBS) mission is proposed to study "missing" baryons in the universe. Unlike dark matter, baryonic matter is made of elements in the periodic tabl…