SDSS data management and photometric quality assessment
Top Cited Papers
- 13 October 2004
- journal article
- research article
- Published by Wiley in Astronomische Nachrichten
- Vol. 325 (6-8) , 583-589
- https://doi.org/10.1002/asna.200410285
Abstract
We summarize the Sloan Digital Sky Survey data acquisition and processing steps, and describerunQA, a pipeline designed for automated data quality assessment. In particular, we show how the position of the stellar locus in color‐color diagrams can be used to estimate the accuracy of photometric zeropoint calibration to better than 0.01 mag in 0.03 deg2patches. Using this method, we estimate that typical photometric zeropoint calibration errors for SDSS imaging data are not larger than ∼0.01 mag in theg,r, andibands, 0.02 mag in thezband, and 0.03 mag in theuband (root‐mean‐scatter for zeropoint offsets).Keywords
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