activity
20192026
most citedContribution of Radio Halos to the Foreground for SKA EoR Experiments

11 citations · 50 across the 18 of their papers we have counts for

collaborators

18 papers

astro-ph.HE2026

High-energy neutrino emission from the Type~IIn supernova SN~2017hcd

Shunhao Ji, Zhongxiang Wang, Litao Zhu +1

Neutrino astronomy provides another window to exploring the Universe, exemplified by the detection of a megaelectronvolt neutrino burst from the core-collapse supernova (CCSN) SN~1…

astro-ph.HE2025

A Disk-Originated 329-day Quasi-Periodic Oscillation in the Seyfert 1 Galaxy J1626+5120

Litao Zhu, Zhongxiang Wang, Dong Zheng +2

The Seyfert 1 galaxy J1626+5120 is estimated to host a black hole (BH) accreting at Eddington ratio . Its long-term multi-band…

astro-ph.HE2025

Possible Neutrino Emission from the Pulsar Wind Nebula G63.7+1.1

Shunhao Ji, Zhongxiang Wang, Dong Zheng +1

We report on our finding of an excess of neutrinos at the location of the pulsar wind nebula (PWN) G63.7+1.1. By analyzing the IceCube track-like neutrino data for…

astro-ph.HE2024

PKS~2332017 and PMN J19161519: Candidate Blazar Counterparts to Two High-energy Neutrino Events

Shunhao Ji, Zhongxiang Wang, Dong Zheng

We report our counterpart identification study for two high-energy neutrino events IC-130127A and IC-131204A listed in the IceCube Event Catalog of Alert Tracks. These two events b…

astro-ph.IM2024

An evaluation of source-blending impact on the calibration of SKA EoR experiments

Chenxi Shan, Haiguang Xu, Yongkai Zhu +8

Twenty-one-centimetre signals from the Epoch of Reionization (EoR) are expected to be detected in the low-frequency radio window by the next-generation interferometers, particularl…

astro-ph.HE2024

Revisiting Gamma-Ray Emission of the Supernova Remnant RCW 103

Yi Xing, Zhongxiang Wang, Dong Zheng

We analyze more than 15 years of the \gr\ data, obtained with the Large Area Telescope (LAT) onboard {\it the Fermi Gamma-ray Space Telescope (Fermi)}, for the region of the young…

astro-ph.HE2024

Finding Candidate TeV Halos among Very-High Energy Sources

Dong Zheng, Zhongxiang Wang

We search for possible pulsar TeV halos among the very-high-energy (VHE) sources reported in different VHE surveys, among which in particular we use the results from the first Larg…

astro-ph.HE2023

3HWC J0631+107/LHAASO J0631+1040: a TeV halo powered by the pulsar J0631+1036?

Dong Zheng, Zhongxiang Wang, Yi Xing

PSR~J0631+1036 is a middle-aged pulsar with properties similar to those of the nearby Geminga pulsar. It is bright in -rays, and has been noted as the only source possibly assoc…

astro-ph.HE2023

Two Candidate Pulsar TeV Halos Identified from Property-Similarity Studies

Dong Zheng, Zhongxiang Wang

TeV halos have been suggested as a common phenomenon associated with middle-aged pulsars. Based on our recent work on PSR~J0631+1036, which is the only known source positionally co…

astro-ph.HE2023★ 6 cited

4FGL J1844.4-0306: high-energy emission likely from the supernova remnant G29.37+0.1

D. Zheng, Z. Wang, X. Zhang +2

Very-high-energy (VHE) observations have revealed approximately 100 TeV sources in our Galaxy, and a significant fraction of them are under investigation for understanding their or…

astro-ph.HE2023★ 7 cited

On the Gamma-Ray Emission of the Andromeda Galaxy M31

Yi Xing, Zhongxiang Wang, Dong Zheng +1

Using the -ray data obtained with the Large Area Telescope (LAT) onboard {\it the Fermi Gamma-ray Space Telescope (Fermi)} for 14 years, we examine the high energy emissio…

astro-ph.HE2022★ 6 cited

AT2021acak: a candidate tidal disruption event found in the Zwicky Transient Facility survey

Jie Li, Zhongxiang Wang, Dong Zheng +3

We report a candidate tidal disruption event (TDE) found in the Zwicky Transient Facility (ZTF) survey data. This candidate, with its transient name AT2021acak, showed brightness i…

astro-ph.GA2022★ 8 cited

Three Cases of Optical Periodic Modulation in Active Galactic Nuclei

Jie Li, Zhongxiang Wang, Dong Zheng

We report on the case of optical periodic modulation discovered in two Active Galactic Nuclei (AGN) and one candidate AGN. Analyzing the archival optical data obtained from large t…

astro-ph.HE2022★ 7 cited

High-energy studies of the 3HWC J1954+286 region: likely Gamma-ray detection of the supernova remnant G65.1+0.6

Y. Xing, D. Zheng, Z. Wang +3

We carry out high-energy studies of the region of the Galactic TeV source 3HWC J1954+286, whose location coincides with those of PSR~J1954+2836 and supernova remnant (SNR) G65.1+0.…

astro-ph.HE2021★ 5 cited

X-ray and Radio Studies of the candidate Millisecond Pulsar Binary 4FGL J0935.3+0901

Dong Zheng, Zhong-Xiang Wang, Yi Xing +1

4FGL J0935.5+0901, a -ray source recently identified as a candidate redback-type millisecond pulsar binary (MSP), shows an interesting feature of having double-peaked emission l…

astro-ph.GA2020

A Monte Carlo Implementation of Galactic Free-Free Emission for the EoR Foreground Models

Xiaoli Lian, Haiguang Xu, Dongchao Zheng +2

The overwhelming foreground causes severe contamination on the detection of 21-cm signal during the Epoch of Reionization (EoR). Among various foreground components, the Galactic f…

astro-ph.HE2019

Modelling cosmic ray electron physics in cosmological smoothed particle hydrodynamics simulation

Dongchao Zheng, Weitian Li, Zhenghao Zhu +5

Cosmic ray electron (CRE) acceleration and cooling are important physical processes in astrophysics. We develop an approximative framework to treat CRE physics in the parallel smoo…

astro-ph.CO2019★ 11 cited

Contribution of Radio Halos to the Foreground for SKA EoR Experiments

Weitian Li, Haiguang Xu, Zhixian Ma +11

The overwhelming foreground contamination is one of the primary impediments to probing the Epoch of Reionization (EoR) through measuring the redshifted 21 cm signal. Among various…