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The relative reflectance spectrum of (90377) Sedna (black circles) and the spectrum of the nearby sky
The relative reflectance spectrum of (90377) Sedna (black circles) and the spectrum of the nearby sky (grey circles). Gray curves are the model 3 σ upper limits to the surface fraction of water ice (smooth gray line) and methane ice (jagged gray line). Surface fractions that cause more absorption than the indicated lines are ruled out by our observations at the 3 σ level. The model shown is for 100-micron diameter particles. Spectrum error bars are computed from the reproducibility of the spectral data in each spectral point.
Créditos:International Gemini Observatory/NOIRLab/NSF/AURA
About the Image
Id: | geminiann05005a |
Tipo: | Chart |
Release date: | 12 de Abril de 2005 a las 05:00 |
Related announcements: | geminiann05005 |
Size: | 500 x 541 px |
Sobre el Objeto
Categoría: | Illustrations |