Solar irradiance from Nimbus-7 compared with ground-based photometry |
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| Authors: | G A Chapman A M Cookson D V Hoyt |
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| Institution: | (1) San Fernando Observatory, Department of Physics and Astronomy, California State University Northridge, 91330 Northridge, CA, USA;(2) Research and Data Systems, Corp., 20770 Greenbelt, MD, USA |
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| Abstract: | We have compared total solar irradiance from Nimbus-7 with ground-based photometry from the San Fernando Observatory (SFO) for 109 days between June 1 and December 31, 1988. We have also included in some analyses NOAA-9 SBUV2 data orF10.7 radio flux. The Nimbus-7 data are from orbital samples, averaged to the mean time of observation at SFO. Using the same parameters as in Chapmanet al. (1992), the multiple regression gives anR
2 = 0.9131 and a  solar minimum irradiance,S
0, = 1371.76 ± 0.18 W m–2 for the best fit. |
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