Abstract
The science payload on the Deep Impact mission includes a 1.05–4.8 μm infrared spectrometer with a spectral resolution ranging from R∼200–900. The Deep Impact IR spectrometer was designed to optimize, within engineering and cost constraints, observations of the dust, gas, and nucleus of 9P/Tempel 1. The wavelength range includes absorption and emission features from ices, silicates, organics, and many gases that are known to be, or anticipated to be, present on comets. The expected data will provide measurements at previously unseen spatial resolution before, during, and after our cratering experiment at the comet 9P/Tempel 1. This article explores the unique aspects of the Deep Impact IR spectrometer experiment, presents a range of expectations for spectral data of 9P/Tempel 1, and summarizes the specific science objectives at each phase of the mission.
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Sunshine, J.M., A’Hearn, M.F., Groussin, O. et al. Expectations for Infrared Spectroscopy of 9P/Tempel 1 from Deep Impact. Space Sci Rev 117, 269–295 (2005). https://doi.org/10.1007/s11214-005-3388-2
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DOI: https://doi.org/10.1007/s11214-005-3388-2