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Middle Ultraviolet Solar Spectral Irradiance Measurements, 1985-1992, from the SBUV/2 and SSBUV Instruments

Published online by Cambridge University Press:  12 April 2016

Richard P. Cebula ,
Ernest Hilsenrath  and
Matthew T. Deland
Richard P. Cebula
Affiliation:
Hughes STX Corporation, Greenbelt, MD 20770, USA
Ernest Hilsenrath
Affiliation:
NASA/Goddard Space Flight Center, Code 916, Greenbelt, MD 20771, USA
Matthew T. Deland
Affiliation:
Hughes STX Corporation, Greenbelt, MD 20770, USA

Abstract

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Solar spectral irradiance measurements from the NOAA-9 and NOAA-11 SBUV/2 instruments and SSBUV are presented and compared. Inter-instrument solar spectral irradiance differences on the order of 5-10% are observed. Internal comparisons of the SBUV/2 solar data suggest instrument sensitivity changes ranging from less than 1% per year near 400 nm to approximately 5% per year near 200 nm.

The mission-to-mission accuracy of the SSBUV solar spectral irradiance measurements is better than ±2%. Initial results of our investigation into the feasibility of using SSBUV data to maintain the long-term calibration of the SBUV/2 instruments for solar spectral irradiance monitoring are reviewed.

Information

Type
Observational Programs for Solar and Stellar Irradiance Variability
Information
International Astronomical Union Colloquium , Volume 143: The Sun as a Variable Star: Solar and Stellar Irradiance Variations , 1994 , pp. 81 - 88
Copyright
Copyright © Kluwer 1994

References

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