1. China-VO: status & plan ZHAO Yongheng (NAOC) Pune, Sep. 2004

2. Chinese Virtual Observatory (China-VO) Advanced research platform for Chinese astronomers Acquire data and technologies from IVOA partners Share our data (LAMOST, SST, FAST, BATC …) with international astronomers Bring up a group of VO-oriented astronomers, engineers and students Education outreach

3. Highlights Sep. 2001: VO meeting in China July 2002: Concept of “Chine-VO” Oct. 2002: member of IVOA June 2003: System design finished Sep. 2003: China-VO meeting Nov. 2003: IVOA Small Projects Meeting, Beijing Sep. 2004: IVOA Small Projects Meeting, Pune Nov. 2004: China-VO meeting

4. Technology progress Cone Search Service (2003) Abundance gradients in the Galaxy statistical research (2003) VOTable  OpenOffice Filter (2004) Astronomical Almanac Auto-classification using multi-wavelength archives –Structure of the Galaxy –AGN

5. Storage Systems Linux + IDE HD + soft RAID 2001: 550GB ADS mirror site 2002 ： 4.5TB 1TB multi-wavelength data 3TB SDSS archive 2004 ： 4TB SDSS archive …… Beijing Astronomical Data Center WDC for Astronomy, Beijing

6. China-VO ： based on DataGrid (OGSA) Everything is Grid Service (GS) Service Interface implementations Protocols User Software Systems

7. Grid & WS GT3 => GT4 … WSRF

8. Grid Services Data Applications Computing Storage Processing Statistics Mining Visualization Registry

9. Astronomical applications Data services –Cone search, Cross-match, … –Interoperated with other VOs, … With LAMOST to Telescopes –2m in Xinglong/NAOC & Lijiang/Yunnan Education –Astronomical almanac, Star chart, …

10. Grid Services for Data Query Translater MySQL DBMSProgram Grid Interface ….. VOTable Wrapper NVSSTychoGSC2 DSS I BATCDSS II

11. GS for Cone Search

12. Client for Visualization

13. Cone Search

14. Chemical Evolution of the Galaxy GS for Data GS for Orbit Calc. GS for Statistics GS for Visualization

15. Grid Services for Tools Parameter Translater Command linesC Program? Program Grid Interface ….. Java Wrapper

16. Services & Tools China-VO Catalogue Access Service China-VO Grid Registry Area VOTFilter Astronomical Calculation China-VO Resource Register

17. Service Registry

18. VOTFilter VOTable  OpenOffice

19. Astronomical almanac Query calendar Find next eclipse locally Find next eclipse globally Query rising and setting time of planet Query the time of twilight Query planet position Query bright star's position Query long time bright star's position Query star's position by file Star's epoch conversion Convert date to Julian day Convert Julian day to dateQuery calendar Find next eclipse locally Find next eclipse globally Query rising and setting time of planet Query the time of twilight Query planet position Query bright star's position Query long time bright star's position Query star's position by file Star's epoch conversion Convert date to Julian day Convert Julian day to date

20. Calendar of 10,000 years (5400 BC – 5400 AD)

21. Astrochronology “ 颛顼以今之孟春正月为元，其时正月朔旦立春， 五星会于天庙，营室也 ” 《晋书 · 历律志》 Swiss ephemeris (5400BC-5400AD) New moon Solar term Five planets Hipparcos catalogue precess “ 日月如合璧、五星如连珠 ” Feb. 26, 2807 BC

22. Long term variations of Earth’s Rotation

23. VO-1 VO-2 Development of China-VO Grid Services of data & tools Query & Cross-identification Astronomical Objects & Methods Data mining tools Visualization tools Workflow With Computing Grid Connected with telescopes Virtual Astronomical Instrument (VAI) VO-3

24. Interface of China-VO Major nodes –OGSA / WS Powerful users –Remote program call Personal users –Portal

25. Planning 2004 Design V.0 (Demo) 2005-2006 Major nodes IVO V.1 (Sevices) 2007-2008 IVO V.2 (Applications)

26. Partners National Astronomical Observatories, CAS – Beijing, Yunnan, … Astronomy Department, Peking University University of Science and Technology of China Astrophysics Center, Tsinghua University Astronomy Department, Nanjing University Physics Department, Huazhong Normal University Computer Network Information Center, CAS Institute of Computing Technology, CAS ……

27. Founders Ministry of Science and Technology of China Natural Science Foundation of China Chinese Academy of Sciences Funding up to now: 1,600,000 RMB (~200,000 USD)

28. Thank you ！ http://www.china-vo.org/