Calibration of LSST Instruments and Data

Details Calibration of LSST Instruments and Data Calibration of LSST Instruments and Data

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.8605b&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #86.05; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astronomy

Scientific paper

Science studies made by the Large Synoptic Survey Telescope will reach systematic limits in nearly all cases. Requirements for photometric measurements accurate to 1% are particularly challenging. Advantage will be taken of the rapid cadence and pace of the LSST survey to use secondary standard stars to monitor stability and uniformity of astrometric and photometric data. A new technique using a tunable laser is being developed to calibrate the wavelength dependence of the total telescope and camera system throughput. Spectroscopic measurements of atmospheric extinction and emission will be made continuously to allow the broad-band optical flux observed in the instrument to be corrected to flux at the top of the atmosphere. Calibrations with standard stars will be compared to instrumental and atmospheric calibration.

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