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Toward More Precise Survey Photometry for PanSTARRS and LSST: Measuring Directly the Optical Transmission Spectrum of the Atmosphere

Toward More Precise Survey Photometry for PanSTARRS and LSST: Measuring Directly the Optical Transmission Spectrum of the Atmosphere

Motivated by the recognition that variation in the optical transmission of the atmosphere is probably the main limitation to the precision of groundā€based CCD measurements of celestial fluxes, we review the physical processes that attenuate the passage of light through Earth's atmosphere. The next generation of astronomical surveys, such as ā€¦