Publications (26)
Update of the China-VO AstroCloud
Chenzhou Cui, Ce Yu, Jian Xiao +19
As the cyber-infrastructure for Astronomical research from Chinese Virtual Observatory (China-VO) project, AstroCloud has been archived solid progresses during the last one year. P…
AstroCloud, a Cyber-Infrastructure for Astronomy Research: Architecture
Jian Xiao, Ce Yu, Chenzhou Cui +13
AstroCloud is a cyber-Infrastructure for Astronomy Research initiated by Chinese Virtual Observatory (China-VO) under funding support from NDRC (National Development and Reform com…
HLC2: a highly efficient cross-matching framework for large astronomical catalogues on heterogeneous computing environments
Yajie Zhang, Ce Yu, Chao Sun +4
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 re…
HEGrid: A High Efficient Multi-Channel Radio Astronomical Data Gridding Framework in Heterogeneous Computing Environments
Hao Wang, Ce Yu, Jian Xiao +3
The challenge to fully exploit the potential of existing and upcoming scientific instruments like large single-dish radio telescopes is to process the collected massive data effect…
HCGrid: A Convolution-based Gridding Framework for RadioAstronomy in Hybrid Computing Environments
Hao Wang, Ce Yu, Bo Zhang +2
Gridding operation, which is to map non-uniform data samples onto a uniformly distributedgrid, is one of the key steps in radio astronomical data reduction process. One of the main…
Task Scheduling in Geo-Distributed Computing: A Survey
Yujian Wu, Shanjiang Tang, Ce Yu +4
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-…
A Survey on Efficiency Optimization Techniques for DNN-based Video Analytics: Process Systems, Algorithms, and Applications
Shanjiang Tang, Rui Huang, Hsinyu Luo +6
The explosive growth of video data in recent years has brought higher demands for video analytics, where accuracy and efficiency remain the two primary concerns. Deep neural networ…
A Survey on Spark Ecosystem for Big Data Processing
Shanjiang Tang, Bingsheng He, Ce Yu +2
With the explosive increase of big data in industry and academic fields, it is necessary to apply large-scale data processing systems to analysis Big Data. Arguably, Spark is state…
AstroCatR: a Mechanism and Tool for Efficient Time Series Reconstruction of Large-Scale Astronomical Catalogues
Ce Yu, Kun Li, Shanjiang Tang +3
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…
Exoplanets in the Antarctic Sky. I. The First Data Release of AST3-II (CHESPA) and New Found Variables within the Southern CVZ of TESS
Hui Zhang, Zhouyi Yu, Ensi Liang +37
Located at Dome A, the highest point of the Antarctic plateau, the Chinese Kunlun station is considered to be one of the best ground-based photometric sites because of its extremel…
AstroCloud, a Cyber-Infrastructure for Astronomy Research: Data Archiving and Quality Control
Boliang He, Chenzhou Cui, Dongwei Fan +10
AstroCloud is a cyber-Infrastructure for Astronomy Research initiated by Chinese Virtual Observatory (China-VO) under funding support from NDRC (National Development and Reform com…
Deep residual detection of radio frequency interference for FAST
Zhicheng Yang, Ce Yu, Jian Xiao +1
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…
Data Release of the AST3-2 Automatic Survey from Dome A, Antarctica
Xu Yang, Yi Hu, Zhaohui Shang +18
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…
NBFTP: A Dedicated Data Transfer System for Remote Astronomical Observation at Dome A
Siyuan Huang, Ce Yu, Chao Sun +5
Dome A, Antarctica has been thought to be one of the best astronomical sites on the earth since decades ago. From it was first visited by astronomers in 2008, dozens of facilities…
Solving Online Resource-Constrained Scheduling for Follow-Up Observation in Astronomy: a Reinforcement Learning Approach
Yajie Zhang, Ce Yu, Chao Sun +3
In the astronomical observation field, determining the allocation of observation resources of the telescope array and planning follow-up observations for targets of opportunity (To…
Exoplanets in the Antarctic sky. II. 116 Transiting Exoplanet Candidates Found by AST3-II (CHESPA) within the Southern CVZ of TESS
Hui Zhang, Zhouyi Yu, Ensi Liang +37
We report first results from the CHinese Exoplanet Searching Program from Antarctica (CHESPA)---a wide-field high-resolution photometric survey for transiting exoplanets carried ou…
Meteorological data from KLAWS-2G for an astronomical site survey of Dome A, Antarctica
Yi Hu, Keliang Hu, Zhaohui Shang +8
We present an analysis of meteorological data from the second generation of the Kunlun Automated Weather Station (KLAWS-2G) at Dome A, Antarctica during 2015 and 2016. We find that…
A Redistribution Tool for Long-Term Archive of Astronomical Observation Data
Chao Sun, Ce Yu, Chenzhou Cui +5
Astronomical observation data require long-term preservation, and the rapid accumulation of observation data makes it necessary to consider the cost of long-term archive storage. I…
A Multilevel Scheduling Framework for Distributed Time-domain Large-area Sky Survey Telescope Array
Yajie Zhang, Ce Yu, Chao Sun +5
Telescope arrays are receiving increasing attention due to their promise of higher resource utilization, greater sky survey area, and higher frequency of full space-time monitoring…
AstroCloud: A Distributed Cloud Computing and Application Platform for Astronomy
Chenzhou Cui, Boliang He, Ce Yu +28
Virtual Observatory (VO) is a data-intensively online astronomical research and education environment, which takes advantages of advanced information technologies to achieve seamle…
TDLight: A Framework for Incremental Light Curve Management and Smart Classification
Xinghang Yu, Ce Yu, Zeguang Shao +1
With the exponential growth of time-domain surveys, the volume of light curves has increased rapidly. However, many survey projects, such as Gaia, still rely on offline batch-proce…
Towards an Astronomical Science Platform: Experiences and Lessons Learned from Chinese Virtual Observatory
Chenzhou Cui, Yihan Tao, Changhua Li +16
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…
AstroCloud, a Cyber-Infrastructure for Astronomy Research: Data Access and Interoperability
Dongwei Fan, Boliang He, Jian Xiao +12
Data access and interoperability module connects the observation proposals, data, virtual machines and software. According to the unique identifier of PI (principal investigator),…
A hybrid architecture for astronomical computing
Changhua Li, Chenzhou Cui, Boliang He +17
With many large science equipment constructing and putting into use, astronomy has stepped into the big data era. The new method and infrastructure of big data processing has becom…
GRRIS: a real-time intra-site observation scheduling scheme for distributed survey telescope arrays
Yajie Zhang, Ce Yu, Chao Sun +4
The distributed telescope array offers promise for conducting large-sky-area, high-frequency time domain surveys. Multiple telescopes can be deployed at each observation site, so i…
The First Release of the AST3-1 Point Source Catalogue from Dome A, Antarctica
Bin Ma, Zhaohui Shang, Yi Hu +35
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…