China-VO: status & plan ZHAO Yongheng (NAOC) Pune, Sep. 2004.
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Transcript of China-VO: status & plan ZHAO Yongheng (NAOC) Pune, Sep. 2004.
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China-VO:China-VO: status & planstatus & plan
ZHAO Yongheng (NAOC)ZHAO Yongheng (NAOC)
Pune, Sep. 2004Pune, Sep. 2004
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Chinese Virtual ObservatoryChinese Virtual Observatory(China-VO)(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
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HighlightsHighlights
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
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Technology progress• Cone Search Service (2003)• Abundance gradients in the Galaxy statistical rese
arch (2003)• VOTable OpenOffice Filter (2004)
• Astronomical Almanac• Auto-classification using multi-wavelength archives
– Structure of the Galaxy– AGN
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Storage SystemsStorage Systems
Linux + IDE HD + soft RAID2001: 550GB
• ADS mirror site
2002 : 4.5TB• 1TB multi-wavelength data• 3TB SDSS archive
2004 : 4TB• SDSS archive• ……
Beijing Astronomical Data CenterWDC for Astronomy, Beijing
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China-VO : based on DataGrid (OGSA)
Everything is Grid Service (GS)
Service Interface
implementations implementations implementations
Protocols
User
Software SystemsSoftware Systems
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Grid & WS
GT3 => GT4 … WSRF
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Grid ServicesGrid Services
DataApplications
ComputingStorageProcessingStatisticsMiningVisualization
Registry
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Astronomical applicationsAstronomical 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, …
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Grid Services for DataGrid Services for Data
Query Translate
r
MySQL DBMS Program Program
Grid Interface
…..
VOTable Wrapper
NVSS Tycho GSC2DSS
IBATCDSS
II
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GS for Cone SearchGS for Cone Search
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Web Cl i ent
M99(RB)
3D Pi cture
HTML页面 ,Appl et
Web Appl i cati on Server
Servl et
Web Servi ceJ ava Proxy
J SP
Soap Cl i ent
处理/类CGI
逻辑页面
Http SoapApache Tomcat
Servi ce Provi der Appl i cati onWeb Appl i cati on Server
Other WebServi ces(DB)
Soap Servl et
Servi ce Bean
1
8
7
3
2
6
4
5
9
Servi ce Request Appl i cati on
Client forVisualization
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Cone SearchCone Search
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Chemical Evolution Chemical Evolution of the Galaxyof the Galaxy
GS for Data
GS for Orbit Calc.
GS for Statistics
GS for Visualization
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Grid Services for ToolsGrid Services for Tools
Parameter Trans
later
Command lines C Program ? Program
Grid Interface
…..
Java Wrapper
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Services & ToolsServices & Tools
• China-VO Catalogue Access Service
• China-VO Grid Registry Area
• VOTFilter
• Astronomical Calculation
• China-VO Resource Register
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Service Registry
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VOTFilterVOTFilterVOTable VOTable OpenOffice OpenOffice
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Astronomical almanacAstronomical 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 conversionConvert date to Julian dayConvert Julian day to date
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Calendar of 10,000 years
(5400 BC – 5400 AD)
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AstrochronologyAstrochronology
“ 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
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Long term variations of Long term variations of Earth’s RotationEarth’s Rotation
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VO-1
VO-2
Development of China-VODevelopment 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
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Interface of China-VOInterface of China-VO
• Major nodes– OGSA / WS
• Powerful users– Remote program call
• Personal users– Portal
NAOC
YNAO
PKU
…
Internet
CNGrid
SSC SCCAS
CNIC
THU…
IVO
NVO
…AstroGrid
AVO
China-VO
USTC
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PlanningPlanning
2004• Design• V.0 (Demo)
2005-2006• Major nodes• IVO • V.1 (Sevices)
2007-2008• IVO• V.2 (Applications)
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PartnersPartners• 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• ……
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FoundersFounders
• 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)
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Thank youThank you !!
http://www.china-vo.org/