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The SDSS Imaging Pipelines

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arxiv astro-ph/0101420 v2 pith:HP2QMYGY submitted 2001-01-23 astro-ph

The SDSS Imaging Pipelines

Robert Lupton , James E. Gunn , Zeljko Ivezic , Gillian R. Knapp (Princeton University Observatory) , Stephen Kent (FNAL) , Naoki Yasuda (National Astronomical Observatory , Japan) This is my paper
classification astro-ph
keywords sdssdiscussgalaxyimagepipelinesprocessingsoftwarealgorithms
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We summarise the properties of the Sloan Digital Sky Survey (SDSS) project, discuss our software infrastructure, and outline the architecture of the SDSS image processing pipelines. We then discuss two of the algorithms used in the SDSS image processing; the KL-transform based modelling of the spatial variation of the PSF, and the use of galaxy models in star/galaxy separation. We conclude with the first author's personal opinions on the challenges that the astronomical community faces with major software projects.

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