62 citations · 414 across the 30 of their papers we have counts for
30 papers
Absence of Radio Emission Reveals an Exceptionally Weak Explosion of the Putative Historical Supernova Pa 30
Yi-xuan Shao, Ping Zhou, Xiao Zhang +7
We present the first deep radio continuum observations of Pa 30, a nebula hosting a unique optical source driven by an ultrafast outflow with a velocity of 16,000 km s. The…
GeV Gamma-Rays from Molecular Clouds Illuminated by Particles Diffusing from the Adjacent Supernova Remnant G335.2+0.1 Confined in an Expanding Bubble
Chen Huang, Xiao Zhang, Yang Chen +3
We report the detection of GeV gamma-ray emission likely associated with supernova remnant (SNR) G335.2+0.1 and the finding of a molecular cloud (-- in angular s…
Modeling the Saddle-like GeV-TeV Spectrum of HESS J1809-193: -Rays Arising from Reverse-Shocked Pulsar Wind Nebula?
Jiaxu Sun, Yang Chen, Yiwei Bao +2
Evolution of pulsar wind nebulae (PWNe) could be expected to leave imprints in -rays. We suggest that intriguing GeV-TeV spectral energy distribution (SED) of HESS J1809193 a…
Expanding Molecular Shell and Possible γ-ray Source Associated with Supernova Remnant Kesteven 67
Yun-Zhi Shen, Yang Chen, Xiao Zhang +4
We investigate the molecular environment of the supernova remnant (SNR) Kesteven 67 (G18.8+0.3) using observations in CO, CO, HCO,and HCN lines and possible assoc…
Search for GeV gamma-ray emission from the possible TeV-bright red dwarfs with Fermi-LAT
Chen Huang, Xiao Zhang, Yang Chen +1
Red dwarfs have been suggested to be among the possible astrophysical species accelerating particles and emitting TeV -rays. As an effort to search for the GeV -ray counterpa…
Molecular environment of the thermal composite supernova remnant G352.70.1
Qian-Qian Zhang, Ping Zhou, Yang Chen +5
Galactic supernova remnants (SNRs) play an important role in our understanding of supernovae and their feedback on the interstellar environment. SNR G352.70.1 is special for its…
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…
A Study of GeV Gamma-ray Emission toward Supernova Remnant G51.26+0.11 and Its Molecular Environment
Wen-Juan Zhong, Xiao Zhang, Yang Chen +1
We reanalyze the Fermi-LAT GeV -ray emission in the region of supernova remnant (SNR) G51.26+0.11 and investigate its interstellar molecular environment with the CO-line data. A…
GeV Gamma-ray Emission and Molecular Clouds towards Supernova Remnant G35.60.4 and the TeV Source HESS J1858+020
Xiao Zhang, Yang Chen, Fa-xiang Zheng +3
It is difficult to distinguish hadronic process from the leptonic one in -ray observation, which is however crucial in revealing the origin of cosmic rays. As an endeavor in the…
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.…
A Possible Gamma-Ray Enhancement Event in Tycho's Supernova Remnant
Yi Xing, Zhongxiang Wang, Xiao Zhang +1
We report a possible -ray enhancement event detected from Tycho's supernova remnant (SNR), the outcome of a type Ia supernova explosion that occurred in year 1572. The event las…
Modeling the broadest spectral band of the Crab nebula and constraining the ions acceleration efficiency
Xiao Zhang, Yang Chen, Jing Huang +1
Although it is widely accepted that the electromagnetic spectrum from radio to very-high-energy -rays of pulsar wind nebulae (PWNe) originates from leptons, there is still an op…
A Small-Scale Investigation of Molecular Emission toward the Tip of the Western Lobe of W50/SS433
Qian-Cheng Liu, Yang Chen, Ping Zhou +2
We perform a molecular (CO and CN) line observation using IRAM 30m telescope toward two small regions near the western edge of supernova remnant (SNR) W50/SS433. CO observation rev…
Electron Acceleration in Middle-age Shell-type -Ray Supernova Remnants
Xiao Zhang, Siming Liu
Over the past decade, -ray observations of supernova remnants (SNRs) and accurate cosmic-ray (CR) spectral measurements have significantly advanced our understanding of particle…
Fermi LAT detection of the supernova remnant SN 1006 revisited: the south-west limb
Yi Xing, Zhongxiang Wang, Xiao Zhang +1
The data from the Large Area Telescope (LAT) onboard the Fermi Gamma-ray Space Telescope have recently been updated. We thus re-analyze the LAT data for the supernova remnant (SNR)…
Is Supernova Remnant Cassiopeia A a PeVatron?
Xiao Zhang, Siming Liu
Cassiopeia A, a well-observed young core-collapse supernova remnant (SNR), is considered as one of the best candidates for studying very high-energy particle acceleration up to PeV…
FERMI observation of the jets of the microquasar SS433
Yi Xing, Zhongxiang Wang, Xiao Zhang +2
We report our analysis of the data obtained with the Large Area Telescope (LAT) onboard the Fermi Gamma-ray Space Telescope (Fermi) for the SS 433/W50 region. The total data length…
NuSTAR Detection of a Hard X-ray Source in the Supernova Remnant - Molecular Cloud Interaction Site of IC 443
Shuo Zhang, Xiaping Tang, Xiao Zhang +10
We report on a broadband study of a complex X-ray source (1SAX J0618.0+2227) associated with the interaction site of the supernova remnant (SNR) IC 443 and ambient molecular cloud…
A Study of Fermi-LAT GeV gamma-ray Emission towards the Magnetar-harboring Supernova Remnant Kesteven 73 and Its Molecular Environment
Bing Liu, Yang Chen, Xiao Zhang +5
We report our independent GeV gamma-ray study of the young shell-type supernova remnant (SNR) Kes 73 which harbors a central magnetar, and CO-line millimeter observations toward th…
Expectation on Observation of Supernova Remnants with the LHAASO Project
Ye Liu, Zhen Cao, Songzhan Chen +7
Supernova remnants (SNRs) are believed to be the most important acceleration sites for cosmic rays (CRs) below eV in the Galaxy. High energy photons, either directly…
Expanding molecular bubble surrounding Tycho's supernova remnant (SN 1572) observed with IRAM 30 m telescope: evidence for a single-degenerate progenitor
Ping Zhou, Yang Chen, Zhi-Yu Zhang +4
Whether the progenitors of SNe Ia are single-degenerate or double-degenerate white dwarf (WD) systems is a highly debated topic. To address the origin of the Type Ia Tycho's supern…
The Likely Fermi detection of the supernova remnant SN 1006
Yi Xing, Zhongxiang Wang, Xiao Zhang +1
We report the likely detection of gamma-ray emission from the northeast shell region of the historical supernova remnant (SNR) SN 1006. Having analyzed 7 years of Fermi LAT Pass 8…
The role of the diffusive protons in the gamma-ray emission of supernova remnant RX J1713.73946 --- a two-zone model
Xiao Zhang, Yang Chen
RX~J1713.73946 is a prototype in the -ray-bright supernova remnants (SNRs) and is in continuing debates on its hadronic versus leptonic origin of the -ray emission. We exp…
GeV γ-ray Emission Detected by Fermi-LAT Probably Associated with the Thermal Composite Supernova Remnant Kesteven 41 in a Molecular Environment
Bing Liu, Yang Chen, Xiao Zhang +3
Hadron emission from supernova remnant (SNR)-molecular cloud (MC) association systems has been widely regarded as a probe of the shock-accelerated cosmic-ray protons. Here, we repo…