May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto1 VO JHU Open SkyQuery and more … T. Budavari, S. Carliles, L. Dobos, G. Fekete,

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May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto1 VO JHU Open SkyQuery and more … T. Budavari, S. Carliles, L. Dobos, G. Fekete, J. Gupchup, V. Haridas, N. Li, T. Malik, M. A. Nieto-Santisteban, W. O’Mullane, J. Raddick, A. Szalay, & A. Thakar The Johns Hopkins University Baltimore, MD, USA. T HE US N ATIONAL V IRTUAL O BSERVATORY

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto2 NVO Core Applications NVO Registry (STScI & JHU) –Search and Registration of astronomical resources (Organizations, Catalogs, Images, Services, etc.) NVO Spectrum Services –Search, Plotting, and Spectra upload Open SkyQuery –Query and Cross-match of catalog data

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto3 Related to NVO CasJobs –Personal database (MyDB) on the server side –Scheduling and tracking of long SQL Jobs VO Enabled Mirage –Wrapper to Mirage (Bell Laboratories) –Takes input from existing VO services (Cone and SIAP) in the form of VOTable

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto4 NVO Registry Distributed database of astronomical resources Registries share data by harvesting Searching & Publishing SOAP WS Caltech NCSA STScI/JHU HEASARC Astrogrid CDS JapanVO ESO CfA NOAO ESACNRAO Registries as of April 2005

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto5 NVO Spectrum Services Search and access > 500k spectra Plots, normalizes, combines spectra Export data in VOTable SOAP WS Mirrored and extended by MAST (STScI)

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto6 Open SkyQuery SkyNode individual and cross-match queries Import/Export VOTable Plots with VOPlot Automatic Query Builder SOAP WS

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto7 Virtual Observatory Query Language Layers VOQL2 Federation VOQL1 Web services Portals working across nodes – SQL-like query language and federation system i.e. Open SkyQueryOpen SkyQuery SkyNodes using Astronomical Data Query Language (ADQL) and VOTABLE

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto8 Open SkyQuery Architecture Users OSQ Portal Uses Registry and full SkyNodes. May use services at any level VOQL2ADQL VO VORegistry Queryable Archives ExecPlan FULLFULL SkyNode register lookup BASICBASIC

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto9 Data Flow – Execution plan SkyNode 1 Open SkyQuery SkyNode 2 SkyNode 3 query

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto10 Limitations Intended to work with small result sets constrained by Region or other attributes –Currently nodes limited to 5k rows –Intention to remove restriction – requires change in operation Upload (MyData as a SkyNode) –Size limit is ~10k rows –No Region support on MyData at the moment

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto11 Contributors & Adaptors Contributors –Tamas Budavari and Tanu Malik (original prototype) –Nolan Li – main.Net development (Basic & Full) –Ramon Williamson (Java Basic SkyNode) –Tom McGlynn (Java Full SkyNode) –Iñaki Ortiz ESA/ESAC (Java “Full” SkyNode) Adaptors –NOAO Open SkyQuery portal for proprietary data using a private registry –NDWFS, Galex, GOODS, HST, UDF, Phoenix, POSSUM … –JVO (Subaro XMM), ESAC (XMM & ISO), India VO

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto12 VO Enabled Mirage IVOA Client Package (Sam –VOTable parser based on JAVOT and SAVOT IVOA FITS Package (Tom Wrapper to Mirage (Bell Labs by Tin Kam Ho) Simultaneous visualization of tabular and image data Connects to Cone and SIAP services

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto13 CasJobs Batch system Personal DB on server side: Tables, Procedures,... Sharing env. Long queries Import/Export VOTable will(/is) support VOStore Adopted by Galex Mirrored by VO India (SDSSDR2)

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto14 Future Work Reach the big scale –Parallel Open SkyQuery: framework capable of processing cross-match queries involving catalogs with billion of rows in less than one hour Integrate CasJobs and Open SkyQuery CasJobs systems federation

May 17, 2005Maria Nieto-Santisteban, JHU / IVOA - Kyoto15 Links of interest Registry – – Spectrum Services – Open SkyQuery – CasJobs – & & VO Enable Mirage & IVOA Client Package – IVOA Client & FITS Packages – – First NVO Summer School –

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