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China-VO: status & plan ZHAO Yongheng (NAOC) Pune, Sep. 2004 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 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 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 Storage Systems Beijing Astronomical Data Center WDC for Astronomy, Beijing Linux + IDE HD + soft RAID 2001: 550GB • ADS mirror site 2002:4.5TB • 1TB multi-wavelength data • 3TB SDSS archive 2004:4TB • SDSS archive • …… Software Systems China-VO:based on DataGrid (OGSA) Everything is Grid Service (GS) User Service Interface Protocols implementations implementations implementations Grid & WS GT3 => GT4 … WSRF Grid Services Data Applications Computing Storage Processing Statistics Mining Visualization Registry 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, … Grid Services for Data Grid Interface Query Translater VOTable Wrapper MySQL DBMS NVSS Tycho ….. Program GSC2 DSS I DSS II Program BATC GS for Cone Search Service Request Application Web Application Server Web Client Servlet M99(RB) 1 Web Service Java Proxy 8 3D Picture 9 2 Soap Client 7 处理/类CGI JSP 逻辑页面 HTML页面 ,Applet Service Provider Application Apache Tomcat Http Soap 36 Web Application Server Soap Servlet 4 Client for Visualization Service Bean 5 Other WebServices(DB) Cone Search Chemical Evolution of the Galaxy GS for Data GS for Visualization GS for Orbit Calc. GS for Statistics Grid Services for Tools Grid Interface Parameter Translater Java Wrapper Command lines ….. C Program ? Program Services & Tools • • • • • China-VO Catalogue Access Service China-VO Grid Registry Area VOTFilter Astronomical Calculation China-VO Resource Register Service Registry VOTFilter VOTable OpenOffice 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 date Calendar of 10,000 years (5400 BC – 5400 AD) 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》 Feb. 26, 2807 BC New moon Solar term precess “日月如合璧、五星如连珠” Five planets Hipparcos Swiss ephemeris catalogue (5400BC-5400AD) Long term variations of Earth’s Rotation Development of China-VO VO-1 VO-2 VO-3 • 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) Interface of China-VO • Major nodes – OGSA / WS • Powerful users – Remote program call • Personal users – Portal Planning 2004 • Design • V.0 (Demo) 2005-2006 • Major nodes • IVO • V.1 (Sevices) 2007-2008 • IVO • V.2 (Applications) 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 …… 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) Thank you! http://www.china-vo.org/