Mathematics – Probability
Scientific paper
Sep 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...206.3407m&link_type=abstract
American Astronomical Society Meeting 206, #34.07; Bulletin of the American Astronomical Society, Vol. 37, p.791
Mathematics
Probability
Scientific paper
Ultraviolet irradiance data are used to calculate the day-to-day solar variability in the UV from 119 to 420 nm. Using simultaneous total solar irradiance data, we demonstrate that the ultraviolet contributes 46 total solar irradiance variability; and we also estimate that the visual variability is smaller by 29 irradiance variability for 24-hour periods for wavelengths longer than 420 nm. The reduced variability in the visible wavelength range improves the probability that forthcoming, space-based missions to detect extrasolar planets using the photometric method will be successful.
Support for this investigation was provided by the NASA Faculty Fellowship Program, Ames Research Center, and the University of Nebraska at Kearney
Borucki William. J.
Mena-Werth J. L.
Woods Thomas N.
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