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Marcel Dobber Robert Voors Ruud Dirksen Quintus Kleipool Pieternel Levelt 《Solar physics》2008,249(2):281-291
We have constructed a new high resolution solar reference spectrum in the spectral range between 250 and 550 nm. The primary
use of this spectrum is for the calibration of the Dutch – Finnish Ozone Monitoring Instrument (OMI), but other applications
are mentioned. The incentive for deriving a new high resolution solar reference spectrum is that available spectra do not
meet our requirements on radiometric accuracy or spectral resolution. In this paper we explain the steps involved in constructing
the new spectrum, based on available low and high resolution spectra and discuss the main sources of uncertainty. We compare
the result with solar measurements obtained with the OMI as well as with other UV-VIS space-borne spectrometers with a similar
spectral resolution. We obtain excellent agreement with the OMI measurements, which indicates that both the newly derived
solar reference spectrum and our characterization of the OMI instrument are well understood. We also find good agreement with
previously published low resolution spectra. The absolute intensity scale, wavelength calibration and representation of the
strength of the Fraunhofer lines have been investigated and optimized to obtain the resulting high resolution solar reference
spectrum. 相似文献
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