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Content pending.
A thorough understanding of the noise sources and
systematic errors will be needed by observers who plan to generate their
own light curves from the original (uncalibrated) data, particularly for
data taken over a period of ~93 days, data sequences spanning one or
more quarterly spacecraft rolls, and/or the study of variability
phenomena having amplitudes less than 100 ppm. For such conditions, the
light curves provided from the pipeline software should be used with
great caution because the data reduction technique used to eliminate
artifacts in the light curves caused by spacecraft roll, differential
velocity aberration, and jitter may also reduce or remove legitimate
low amplitude variability having timescales exceeding several days.
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