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Zagury, F., & Fujii, M. (2003). Spectral analysis of red scattered sunlight at sunrise. New Astronomy, 8(6), 549–556. 
Added by: Sarina (2010-01-25 10:39:52)   Last edited by: Sarina (2010-01-25 10:40:33)
Resource type: Journal Article
DOI: DOI: 10.1016/S1384-1076(03)00048-4
BibTeX citation key: Zagury2003
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Categories: Englisch = English
Keywords: Sonne = Sun, Spektrum = Spectrum
Creators: Fujii, Zagury
Collection: New Astronomy
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We analyze and fit visible spectra of a red horizon at sunrise. The shape of the spectra consist of a blue continuum followed by a red bump. The reddest spectra are well fitted by the product of a spectrum of extinguished sunlight (Rayleigh extinction+ozone absorption) and of 1/[lambda]4. The former is essentially the radiation field in the outer atmosphere, at the scattering volume location; the latter corresponds to Rayleigh scattering by the gas. Moving to higher altitudes, a second component, corresponding to the spectrum of a blue sky, must be added. The spectra we have obtained are similar to spectra of red nebulae, suggesting there maybe other explanations than an emission process to the red color of some nebulae. Atmospheric effects, Diffusion, Scattering, Radiative transfer
Added by: Sarina  Last edited by: Sarina
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