Virtual Observatory Science Gateways in Astronomical and Astrophysics
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Transcript of Virtual Observatory Science Gateways in Astronomical and Astrophysics
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Virtual Observatory Science Gatewaysin Astronomical and Astrophysics
Science Archives and Computer Engineering Unit
Science Operations Department
ESA/ESAC – Madrid, Spain
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 2ESA Science Operations
Department
The VObs Concept for Astronomy
WEB : all documents in the world inside your PC VObs : all astronomical data in the world inside your PC
What the VObs is NOT: A centralized database of all astronomical data A “monolith” software system A peer-to-peer system
The VObs framework Agreed standards Inter-operable data collections Inter-operable software modules
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 3ESA Science Operations
Department
VObs : What is needed ?
Global standards Transparent inter-operability for the end users
Well funded data centres Space agencies, Ground based telescope, Labs
Working data services Data and Metadata remains the key !
VObs aware client tools and portals Bring the data to the users
VObs aware data mining services New way of making science
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 4ESA Science Operations
Department
Defining Standards for the A&A VObs
Working Groups defining interoperability standards for the VObs Data Access Layer Data Model VO Query Language Registry of VObs Resources VOTable Semantics Grid and Web Services
Strong involvement of Europe through National institutions International organizations (ESA, ESO) EC funded project – EuroVO AIDA
Link with other science communities Planetary, Solar Systems
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 5ESA Science Operations
Department
Publishing Data on the Internet
Createdocument
WEB SERVER
Robots makesInventory Server
PublishDocument
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 6ESA Science Operations
Department
Publishing Data in the VObs
VObs Spectra SERVER
ProduceData
CreateVObs Service
Vobs SpectraData Model
RegisterVObs Service
Find List ofVObs Services
S
Euro-VO Registryof VObs resources
VObs SpectraAccess Protocol
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 7ESA Science Operations
Department
VObs Science Gateways
http://www.euro-vo.org/pub/fc/software.html
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 8ESA Science Operations
Department
ESA VOSpec : Spectral Analysis Tool
Multi-wavelength spectral analysis tool developed by ESA-VO
ISO LWSHST
ISO PHT
EUVE
HUT
HST FOSIUE
INES
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 9ESA Science Operations
Department
Aladin (CDS)
Interactive software sky atlas Visualize digitized
astronomical images, Superimpose entries from
astronomical catalogues
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 10ESA Science Operations
Department
US NVO DataScope
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 11ESA Science Operations
Department
US NOAO VObs Portal
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 12ESA Science Operations
Department
UK AstroGrid VODesktop
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 13ESA Science Operations
Department
The power of applications interoperability in the VObs
AstroScope: catalogue search
Aladin: multipanel imaging
VOSpec: generation of SEDsTOPCAT: tabular data plotting/manipulation
(SAMP)Simple Application Messaging Protocol ISO LWS
HST
ISO PHT
EUVE
HUT
HST FOSIUE
INES
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 14ESA Science Operations
Department
New “players” in the game ?
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Christophe ARVISETEGEE 09, A&A VObs, 24/09/2009, page 15ESA Science Operations
Department
Conclusions VObs requires international standards for interoperability between
astronomical resources Data Centres remain the key as they provide data, metadata and services VObs Science Gateways bring these transparently to the end users
enabling new Science !
Special thanks to VObs applications developers and scientists