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SDSS Virtual Data

SDSS Virtual Data. Cluster Catalogs Find clusters of galaxies Catalog level virtual data Testbed design Weak Lensing in the Southern Survey Weak lensing from image shape parameters Drives construction of coadded image data The coadd is data intensive Correlation Functions

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SDSS Virtual Data

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  1. SDSS Virtual Data • Cluster Catalogs • Find clusters of galaxies • Catalog level virtual data • Testbed design • Weak Lensing in the Southern Survey • Weak lensing from image shape parameters • Drives construction of coadded image data • The coadd is data intensive • Correlation Functions • Auto and cross correlation of galaxies • CPU intensive, monte carlo testing more so • Will break up galaxy sample into many sub-samples • High surface brightness/Low surface brightness • Blue galaxies/red galaxies • Saving and distribution of results at a premium James Annis

  2. SDSS Cluster Finder Resource Manager Request Manager Derived Data Hook Virtual Data URL Visualization URL What Virtual Data is available? Kent page http://sdsslnx.fnal.gov:8015 Find Cluster Richness and Redshift kd Virtual Data: Cluster Finder Derived Data Catalog Cluster Catalog Transformation Catalog Data Catalog SDSS Data TAM DM James Annis

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