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16 papers
Back to business: SLX 1746--331 after 13 years of silence
Jing-Qiang Peng, Shu Zhang, Peng-Ju Wang +17
The black hole candidate system SLX 1746--331 was back to business in 2023, after a long silence of roughly 13 years. An outburst was observed thoroughly by \textit{Insight}-HXMT a…
The Third Fermi Large Area Telescope Catalog of Gamma-ray Pulsars
David A. Smith, Philippe Bruel, Colin J. Clark +156
We present 294 pulsars found in GeV data from the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope. Another 33 millisecond pulsars (MSPs) discovered in deep radio…
Information extraction and artwork pricing
Jaehyuk Choi, Lan Ju, Jian Li +1
Traditional art pricing models often lack fine measurements of painting content. This paper proposes a new content measurement: the Shannon information quantity measured by the sin…
A giant glitch from the magnetar SGR J1935+2154 before FRB 200428
Mingyu Ge, Yuan-Pei Yang, Fangjun Lu +11
Fast radio bursts (FRBs) are short pulses observed in radio frequencies usually originating from cosmological distances. The discovery of FRB 200428 and its X-ray counterpart from…
Return of 4U~1730--22 after 49 years silence: the spectral properties of the 2021/2022 outbursts observed by NICER and Insight-HXMT and the soft-to-hard state transition caused by the propeller effect
Yu-Peng Chen, Shu Zhang, Shuang-Nan Zhang +10
After in quiescence for 49 years, 4U~1730--22 became active and had two outbursts in 2021 \& 2022, the onset and tail of the outbursts were observed by NICER, which give us a peerl…
Return of 4U~1730--22 after 49 years silence: the peculiar burst properties of the 2021/2022 outbursts observed by Insight-HXMT
Yu-Peng Chen, Shu Zhang, Long Ji +10
After in quiescence for 49 years, 4U~1730--22 became active and had two outbursts in 2021 \& 2022; ten thermonuclear X-ray bursts were detected with Insight-HXMT. Among them, the f…
The prolific thermonuclear X-ray bursts from the outburst of the newly discovered millisecond pulsar MAXI~J1816--195 observed by Insight-HXMT and NICER
Yu-Peng Chen, Shu Zhang, Long Ji +10
MAXI J1816-195 is a newly discovered accreting millisecond pulsar with prolific thermonuclear bursts, detected during its outburst in 2022 June by Insight-HXMT and NICER. During th…
Radio pulsations from a neutron star within the gamma-ray binary LS I +61 303
Shan-Shan Weng, Lei Qian, Bo-Jun Wang +9
LS I +61 303 is one of the rare gamma-ray binaries, emitting most of their luminosity in photons with energies beyond 100 MeV. The 26.5 d orbital period is clearly…
WCL-BBCD: A Contrastive Learning and Knowledge Graph Approach to Named Entity Recognition
Renjie Zhou, Qiang Hu, Jian Wan +4
Named Entity Recognition task is one of the core tasks of information extraction. Word ambiguity and word abbreviation are important reasons for the low recognition rate of named e…
PSDNet and DPDNet: Efficient channel expansion, Depthwise-Pointwise-Depthwise Inverted Bottleneck Block
Guoqing Li, Meng Zhang, Qianru Zhang +7
In many real-time applications, the deployment of deep neural networks is constrained by high computational cost and efficient lightweight neural networks are widely concerned. In…
Multi-messenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A
The IceCube, Fermi-LAT, MAGIC +13
Individual astrophysical sources previously detected in neutrinos are limited to the Sun and the supernova 1987A, whereas the origins of the diffuse flux of high-energy cosmic neut…
Accretion disks and coronae in the X-ray flashlight
N. Degenaar, D. R. Ballantyne, T. Belloni +10
Plasma accreted onto the surface of a neutron star can ignite due to unstable thermonuclear burning and produce a bright flash of X-ray emission called a Type-I X-ray burst. Such e…
Generalized Haar Filter based Deep Networks for Real-Time Object Detection in Traffic Scene
Keyu Lu, Jian Li, Xiangjing An +1
Vision-based object detection is one of the fundamental functions in numerous traffic scene applications such as self-driving vehicle systems and advance driver assistance systems…
Search for gamma-ray emission from AE Aquarii with seven years of FERMI-LAT observations
Jian Li, Diego F. Torres, Nanda Rea +4
AE Aquarii (AE Aqr) is a cataclysmic binary hosting one of the fastest rotating (P = 33.08 s) white dwarfs known. Based on seven years of Fermi Large Area Telescope (L…
Visual Saliency Based on Scale-Space Analysis in the Frequency Domain
Jian Li, Martin Levine, Xiangjing An +2
We address the issue of visual saliency from three perspectives. First, we consider saliency detection as a frequency domain analysis problem. Second, we achieve this by employing…
State-Dependent Orbital Modulation of X-rays in CYG X-3
Shan-Shan Weng, Shuang-Nan Zhang, Ming-Yu Ge +2
We analyze all of the available {\it RXTE} observations of Cyg X-3 in order to investigate the connection between the central X-ray source and its surrounding environment. The hard…