1. A Data Application Environment for Space Science in China
STAR-Network
A Data Application Environment for Space Science in China
Zhen Ji Ziming Zou Xiaoyan Hu Jizhou Tong
National Space Science Center, Chinese Academy of Sciences
September, in Denver

2. CONTENTS 02 03 01 Requirements STAR-Network Future vision
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CONTENTS
STAR-Network 02
Future vision 03

3. PART
ONE
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Requirements

4. Development trend of Space Science
Space-Earth Integration/
Global joint observation
Teamwork/regional coupling/Global & Temporal causality research
Multi satellite / Multi station joint observation
Single satellite / Single station observation
Individual/Single region /Single scientific problem research

5. Big data challenges in space science
SVOM
Joint observation of multi instrument, multi region, multi time scale, multi band, multi information carrier will generate massive high dimensional space science data.
GAIA
DAMPE
Fermi
Data dimension increases gradually
SMILE
XMM-Newton
HXMT
SDO
COBE
Meridian Project II
International Real-time Magnetic Observatory Network
Meridian Project
Cluster
Ionospheric radio observation network
1E6
1E9
1E12
Bytes/Day
Data volume grows exponentially

6. PART
TWO
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STAR-Network

7. Solar-Terrestrial and Astronomical Research Network
Vision
To serve and support space science missions
To support space scientific research innovation
Capabilities
Ubiquitous service capabilities throughout the life cycle of scientific satellite missions
Big data application service capabilities for resource discovery and visual analysis
Support capabilities of physical process simulation and analysis of key parameters in the solar-terrestrial system
Cloud service capabilities of private information infrastructure oriented to the space science community’s needs

8. Function components of STAR-Network
Mission Operation Supporting Service
Mission Collaborative Demonstration System
STAR-Network
Space Weather Model Computing and Analysis Platform
Virtual Space Science Observatory
Cloud Storage
Cloud Computing
Data Resource
Supercomputing
Collaborative Environment

9. Mission Collaborative Demonstration System
Form the installation layout of satellite and payload rapidly, show the main architecture of the satellite platform, etc.
Design and revise the target orbit rapidly, also analysis the character of the orbit.
Create a collaborative environment to support many scientists to carry out the space scientific demonstration at different locations at the same time
It provides an efficient, virtual collaborative platform for the demonstration team of the Solar wind Magnetosphere Ionosphere Link Explorer (SMILE), Einstein Probe (EP) and other space missions and also establishes a good foundation for deepening demonstration and platform/payload development.

10. Mission Operation Supporting Service
Data pipeline
Data acquirement
Data pre-processing
Data distribution
Data archiving
Data publishing
Mission Operation Support
Observation planning
Payloads status monitoring
Scientific data quick-look
Space environment prediction ……

11. Mission Operation Supporting Service
Scientific satellite mission situation
Payload status monitoring
Scientific data quick look
On December 17, 2015, the Dark Matter Particle Explorer (WuKong) was successfully launched. On April 6, 2016, the SJ-10 retrievable space science probe was successfully launched. STAR-Network strongly supports satellite operation, data processing, distribution, archiving.

12. Virtual Space Science Observatory （VSSO）
Data publishing system of STAR-Network based on Virtual Observatory Technology
Distributed and various scientific data resources
Science-problem-oriented resource retrieval and query facilities
Data processing & analysis tools
Scientific visualization analysis tools

13. Virtual Space Science Observatory （VSSO）
Space physics, space astronomy, planetary science, space experiments, and other disciplines; 17 professional database;
Covers the physical elements of the solar, interplanetary, cosmic ray, magnetosphere, ionosphere and other typical spatial regions ;
Provides several retrieval tools such as fuzzy retrieval, conditions retrieval and discipline navigation retrieval, etc.
Integrates data analysis tools and scientific visualization analysis tools, such as coordinate Systems Transformation , data smoothing and filtering, etc.
Seamless connection and comprehensive sharing of knowledge resources, computing resources and storage resources

14. Space Weather Model Computing and Analysis Platform
Space weather forecast
Numerical simulation study
Solar and Interplanetary
Solar energetic particle propagation model
The planetary ephemeris calculation tools
Magnetosphere & Radiation Belt
Prediction model of bow shock and magnetopause
AE-8/AP-8 radiation belt model
L1-Magnetosphere-Ionosphere coupling model
Magnetic field
Geomagnetic storm forecasting model
IGRF international geomagnetic reference field model
Tsyganenko 96 Magnetic field model
Atmosphere and Ionosphere
Ionospheric prediction model
Near space atmospheric prediction model
Ionospheric scintillation model for low latitudes in China

15. Space Weather Model Computing and Analysis Platform
Tsyganenko 96 Magnetic Field Model
Geomagnetic storm forecasting model
L1- magnetosphere – ionosphere physical model
Solar wind – aurora numerical model
Cloud technology is used to solve the problems of model - data interoperability and large-scale computing,
and STAR-Network forms a good computing environment.
In scientific research and innovation activities, using scientific data and model tools of STAR-Network,
scientists have carried out simulation studies of solar wind, magnetosphere, ionosphere and other fields, and achieved fruitful results.

16. PART FOUR Future Vision
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Future Vision

17. Future Vision The application demonstration of big data
High performance computing
High speed network
Mass storage and backup
Virtualization software
The resource pool of cloud computing
The application demonstration of big data
The application support platform of big data
The field data resources
The Cloud computing infrastructure
Database
Space physical data resource
Space geoscience
data resource
Planetary science
Microgravity science ……
Collaborative demonstration
Scientific satellite mission support
Feature recognition and discovery of multi dimension data in high energy astronomy
Scientific knowledge discovery
Digital satellite
Payload status diagnosis
Interactive data visual analysis of solar wind - magnetosphere interaction
Computable spatio-temporal framework
Data mapping
error estimation
Space astronomical
Retrieval and found
Visibility analysis
Organization model based on traditional semantics
Data management model
standard specification
Data dictionary
system integration
Topology construction
Storage organization
Data coding
Spatio-temporal retrieval

18. Thank you！

19. Organization Introduction
About CSSDC
Chinese Space Science Data Center is one of the national leading authority for space science information in China.
It is also a regular member of the World Data System(WDS).
It was first established in 1988 and affiliated to the National Space Science Center (NSSC) ,Chinese Academy of Sciences (CAS).
About NSSC
The National Space Science Center (NSSC) of the Chinese Academy of Sciences (CAS) is China’s gateway to space science.
It is the key institute responsible for planning, developing, launching and operating China’s space science satellite missions. It also spearheads space science research in the fields of space physics, space environment, microwave remote sensing, space engineering technology, etc.