Development of quality assessment system for observed data obtained by the Subaru Telescope

Details Development of quality assessment system for observed data obtained by the Subaru Telescope Development of quality assessment system for observed data obtained by the Subaru Telescope

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005rnaoj...8...43n&link_type=abstract

Report of the National Astronomical Observatory of Japan (ISSN 0915-6321), Vol. 8, No. 3 - 4, p. 43 - 57 (2005)

Astronomy and Astrophysics

Astronomy

Data Quality Assessment System, Subaru Telescope

Scientific paper

We have developed a prototype of data quality assessment system for observed data obtained by the Subaru Telescope. Our final goal is to construct a quality control system; realtime feedback of data quality to observatory operations. The data quality assessment system is an important component of quality control. Our system consists of FITS format check, FITS header information check, and data quality evaluation. The FITS format check and the FITS header information check ensure the validity of FITS data and their information. The data quality evaluation includes 1) photometric zero point calculation of standard stars, 2) measurement of PSF size and elongation, 3) trend analysis tools of bias level and sky background level. The system is tested using real data of the Subaru Telescope stored in public data archive (SMOKA). Since our data quality assessment is also useful for giving search constraints in data archives, we provided some components to SMOKA so that data quality indices are available for archival search. The problem and the future plan of the data quality assessment system are also discussed.

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