A new model for archiving synoptic data in the VISTA Data Flow System

Details A new model for archiving synoptic data in the VISTA Data Flow System A new model for archiving synoptic data in the VISTA Data Flow System

2009-01-23

arxiv.org/abs/0901.3729v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

4 pages, 2 figures, ADASS XVIII, ASP Conference Series

Scientific paper

The VISTA Data Flow System comprises nightly pipeline and archiving of near infrared data from UKIRT-WFCAM and VISTA. This includes multi-epoch data which can be used to find moving and variable objects. We have developed a new model for archiving these data which gives the user an extremely flexible and reliable data set that is easy to query through an SQL interface. We have introduced several new database tables into our schema for deep/synoptic datasets. We have also developed a set of curation procedures, which give additional quality control and automation. We discuss the methods used and show some example data. Our design is particularly effective on correlated data-sets, where the observations in different filters are synchronised. It is scalable to large VISTA datasets which will be observed in the next few years and to future surveys such as Pan-STARRS and LSST.

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