Explanipedia

Basic considerations on spectral coherent combining for high combining performance Open

Yuangui Wu, Bowen Liu, Genyu Bi, Ce Yu, Minglie Hu · 2025

Task Scheduling in Geo-Distributed Computing: A Survey Open

Y. Wu, Shanjiang Tang, Ce Yu, Yang Bin, Chao Sun , et al. · 2025

Geo-distributed computing, a paradigm that assigns computational tasks to globally distributed nodes, has emerged as a promising approach in cloud computing, edge computing, cloud-edge computing and supercomputer computing (HPC). It enable…

LEAVES: An Expandable Light-curve Data Set for Automatic Classification of Variable Stars Open

Ya Fei, Ce Yu, Kun Li, Xiaodian Chen, Yajie Zhang , et al. · 2024

With the increasing amount of astronomical observation data, it is an inevitable trend to use artificial intelligence methods for automatic analysis and identification of light curves for full samples. However, data sets covering all known…

3DT-CM: A Low-complexity Cross-matching Algorithm for Large Astronomical Catalogues Using 3d-tree Approach Open

Yifei Mu, Ce Yu, Chao Sun, Kun Li, Yajie Zhang , et al. · 2023

Location-based cross-matching is a preprocessing step in astronomy that aims to identify records belonging to the same celestial body based on the angular distance formula. The traditional approach involves comparing each record in one cat…

Data release of the AST3-2 automatic survey from Dome A, Antarctica Open

Xu Yang, Yi Hu, Zhaohui Shang, Bin Ma, M. C. B. Ashley , et al. · 2023

AST3-2 is the second of the three Antarctic Survey Telescopes, aimed at wide-field time-domain optical astronomy. It is located at Dome A, Antarctica, which is by many measures the best optical astronomy site on the Earth’s surface. Here w…

HLC2: a highly efficient cross-matching framework for large astronomical catalogues on heterogeneous computing environments Open

Yajie Zhang, Ce Yu, Chao Sun, Jian Xiao, Kun Li , et al. · 2023

Cross-matching operation, which is to find corresponding data for the same celestial object or region from multiple catalogues, is indispensable to astronomical data analysis and research. Due to the large amount of astronomical catalogues…

NBFTP: a dedicated data transfer system for remote astronomical observation at Dome A* Open

Siyuan Huang, Ce Yu, Chao Sun, Yi Hu, Zhaohui Shang , et al. · 2021

Dome A, Antarctica, has been thought to be one of the best astronomical sites on the Earth for decades. Since it was first visited by astronomers in 2008, dozens of facilities for astronomical observation and site testing were deployed. Du…

HCGrid: a convolution-based gridding framework for radio astronomy in hybrid computing environments Open

Hao Wang, Ce Yu, Bo Zhang, Jian Xiao, Qi Luo · 2020

Gridding operation, which is to map non-uniform data samples on to a uniformly distributed grid, is one of the key steps in radio astronomical data reduction process. One of the main bottlenecks of gridding is the poor computing performanc…

A redistribution tool for long-term archive of astronomical observation data Open

Chao Sun, Ce Yu, Chenzhou Cui, B. He, Jian Xiao , et al. · 2020

AstroCatR: a mechanism and tool for efficient time series reconstruction of large-scale astronomical catalogues Open

Ce Yu, Kun Li, Shanjiang Tang, Chao Sun, Bin Ma , et al. · 2020

Time series data of celestial objects are commonly used to study valuable and unexpected objects such as extrasolar planets and supernova in time domain astronomy. Due to the rapid growth of data volume, traditional manual methods are beco…

Towards an Astronomical Science Platform: Experiences and Lessons Learned from Chinese Virtual Observatory Open

Chenzhou Cui, Yihan Tao, Changhua Li, Dongwei Fan, Jian Xiao , et al. · 2020

In the era of big data astronomy, next generation telescopes and large sky surveys produce data sets at the TB or even PB level. Due to their large data volumes, these astronomical data sets are extremely difficult to transfer and analyze …

Exoplanets in the Antarctic Sky. III. Stellar Flares Found by AST3-II (CHESPA) within the Southern CVZ of TESS Open

En-Si Liang, Hui Zhang, Zhouyi Yu, Ming Yang, Ji‐Lin Zhou , et al. · 2020

The CHinense Exoplanet Searching Program from Antarctica is a ground-based wide-field photometric survey using the AST3 and CSTAR telescopes located at Dome A, Antarctica. Blessed with the unparalleled observing conditions on the highest p…

Deep residual detection of radio frequency interference for FAST Open

Yang Zhi-cheng, Ce Yu, Jian Xiao, Bo Zhang · 2019

Radio frequency interference (RFI) detection and excision are key steps in the data-processing pipeline of the Five-hundred-meter Aperture Spherical radio Telescope (FAST). Because of its high sensitivity and large data rate, FAST requires…

mcatCS: A Highly Efficient Cross-matching Scheme for Multi-band Astronomical Catalogs Open

Bingyao Li, Ce Yu, Li Chen, Xiaoteng Hu, Jian Xiao , et al. · 2019

Multi-band astronomical catalog cross-matching has always been, and will continue to be, indispensable to astronomy research. However, the archived data volume in different wavebands is extremely huge, which results in the cross-matching p…

The first release of the AST3-1 Point Source Catalogue from Dome A, Antarctica Open

Bin Ma, Zhaohui Shang, Yi Hu, Keliang Hu, Qiang Liu , et al. · 2018

The three Antarctic Survey Telescopes (AST3) aim to carry out time domain imaging survey at Dome A, Antarctica. The first of the three telescopes (AST3-1) was successfully deployed on January 2012. AST3-1 is a 500\,mm aperture modified Sch…

CMSA: a heterogeneous CPU/GPU computing system for multiple similar RNA/DNA sequence alignment Open

Xi Chen, Chen Wang, Shanjiang Tang, Ce Yu, Quan Zou · 2017

CMSA focuses on the multiple similar RNA/DNA sequence alignment and proposes a novel bitmap based algorithm to improve the center star strategy. We can conclude that harvesting the high performance of modern GPU is a promising approach to …

AstroCloud: A Distributed Cloud Computing and Application Platform for Astronomy Open

Chenzhou Cui, Boliang He, Ce Yu, Jian Xiao, Changhua Li , et al. · 2017

Virtual Observatory (VO) is a data-intensively online astronomical research and education environment, which takes advantages of advanced information technologies to achieve seamless and global access to astronomical information. AstroClou…

An Improved Platform for Multi-Agent Based Stock Market Simulation in Distributed Environment Open

Ce Yu, Xiang Chen, Chunyu Wang, Hutong Wu, Jizhou Sun , et al. · 2015

Multi-agent based simulation has been widely used in behavior finance, and several single-processed simulation platforms with Agent-Based Modeling (ABM) have been proposed. However, traditional simulations of stock markets on single proces…

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