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February 20, 2006JVO-AstroGrid Collaboration1 Current Status of JVO, and Goal of Collaboration...
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![Page 1: February 20, 2006JVO-AstroGrid Collaboration1 Current Status of JVO, and Goal of Collaboration between JVO and AstroGrid Masatoshi Ohishi / NAOJ & Sokendai.](https://reader036.fdocuments.net/reader036/viewer/2022062304/56649f295503460f94c424ab/html5/thumbnails/1.jpg)
February 20, 2006 JVO-AstroGrid Collaboration 1
Current Status of JVO, and Goal of Collaboration between JVO a
nd AstroGrid
Masatoshi Ohishi / NAOJ & Sokendai
大石雅寿 / 国立天文台 & 総合研究大学院大学
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February 20, 2006 JVO-AstroGrid Collaboration 2
JVO collaboratorsProject ScientistsNAOJ• Mizumoto• Oe• Shirasaki• Tanaka• Honda• KawanomotoICRR• YasudaOchanomizu U.• Masunaga
System Engineers
Fujitsu Ltd.• Monzen• Kawarai• Ishihara• Tsutsumi
SEC Ltd.• Morita• Nakamoto• Kobayashi• Sakamoto
SupporterNII•Miura
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February 20, 2006 JVO-AstroGrid Collaboration 3
Fundings etc.
• Grant-in-Aid by the MEXT
• Core-to-Core Program of the JSPS Extension for three years
• NAOJ– Personnel
– VO as the core of new Data Center
– etc.
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February 20, 2006 JVO-AstroGrid Collaboration 4
Data Resources in NAOJ• Subaru 8.2m Optical-Infrared Telescope• Kiso 105cm Schmidt Camera• Okayama 188cm Optical Telescope• Nobeyama 45m Radio Telescope• Nobeyama Millimeter Array• Nobeyama Radioheliograph • VSOP• VERA • ALMA
Subaru
Nobeyama 45m
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February 20, 2006 JVO-AstroGrid Collaboration 5
Data Resources in JAXA/ISAS
• ASCA X-ray astronomy satellite• YOHKO solar physics satellite• Ginga X-ray astronomy satellite• HALCA VLBI satellite• Geotail geomagnetosphere satellite• Akebono aurora observation satellite• ASTRO-F Infrared satellite• ASTRO-E2 X-ray satellite• SOLAR-B
ASCA
HALCA
YOHKO
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February 20, 2006 JVO-AstroGrid Collaboration 6Accessible from anywhere at any time
Even for educational useAccelerate astronomical research, and sufficient time for research itself !! Virtual Observatory
Too hard to collect and analyze whole data.Need Cat’s help
Nobeyam Radio Obs.
SUBARU telescope
ALMA
Data Rate
~ 1 TB/yr
~ 20 TB/yr
~ 1 PB/yr
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February 20, 2006 JVO-AstroGrid Collaboration 8
Schematic diagram of JVO
JVO Portal Server
User
Controller ・ parser ・ scheduler ・ Service caller
Resource Meta-data
Web Services
Web Services
Web Services
Web ServicesInput Queries and AnalysisParameters
User Interface
・ Query Editor・ VOTable viewer・ DB queries・ Plotter・ etc
US/CAN
Europe
SIAP/SSAP/SkyNode
SIAP/SSAP/SkyNode
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February 20, 2006 JVO-AstroGrid Collaboration 10
Integration of standard protocols
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February 20, 2006 JVO-AstroGrid Collaboration 11
Interconnected VOs in the World
Canada VO
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February 20, 2006 JVO-AstroGrid Collaboration 12
Successful Interoperations
• Accesses from / to other VOs in Europe and US have been available since Dec 2004
• Publishing & Searchable Registries
• 140+ resources are accessible as of today
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February 20, 2006 JVO-AstroGrid Collaboration 13
JVO is seen from AstroGrid
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February 20, 2006 JVO-AstroGrid Collaboration 14
Elapsed time to querying US VOs
wavelength Survey name
server time (sec)
X-ray Chandra cda.harvard.edu 1.715
Infrared 2MASS mercury.cacr.caltech.edu
3.536
Radio VLA adil.ncsa.uiuc.edu 7.115
Best Records -- Some servers may be overloaded from time to time
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February 20, 2006 JVO-AstroGrid Collaboration 16
Workflow Description Language
Based on BPEL4WS
• Variable definition• Controls (Loop,
Condition)• Parallel execution• Invoke external
services• Invoke built-in Java
Classes
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February 20, 2006 JVO-AstroGrid Collaboration 18
QSO searches
Such results can be obtained only in a few minutes
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February 20, 2006 JVO-AstroGrid Collaboration 19
Future Prospects• Started to design / implement operational system
– More User-friendly interfaces– Add analysis engines by Java-wrapping– Single-Sign-on, authentication by Grid tool– Virtual file system as users area: VOStore– Download to / Upload from user machines– Science corresponding to use cases !!– Collaboration with large observatories (Subaru, ALMA)
• Experimental operation – March 2006 (hopefully)• Standardization of WFDL in IVOA• Technologies sharing in AP region (East Asia)
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February 20, 2006 JVO-AstroGrid Collaboration 20
Wish List for Collaboration
• Workflow– Common effort to standardize WFDL in IVOA
• from JVO to AstroGrid– SkyNode tool kit
• from AstroGrid to JVO– MySpace toward VOStore– SSO if available
• Access to AstroGrid Registry
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