NearInfrared Spectroscopy of Interstellar and Planetary Ice Analogs

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Near-Infrared Spectroscopy of Interstellar and
Planetary Ice Analogs

• Amanda M. Cook
• Dr. Perry A. Gerakines
• Research Funded by a grant from the NSF REU
  program

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Where are ices detected?

• Interstellar Clouds
• CO Triton, Pluto, Comets
• NH3 Miranda, Charon
• CH4 Triton, Pluto, Kuiper Belt Objects, Comets

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Spectroscopy

• Bending Modes
• Stretching Modes
• Resonance

Combined Near-IR and Mid-IR Spectra of N2CH4
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Experimental Set-up
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NH3CO Photolysis Products
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A Closer Look
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NH3CO Photolysis Product
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Identifying the Feature
Pure Ethylene
Pure CO2 Deposit
Quirico and Schmitt (1997)
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Triton Spectrum
Cruikshank et al. (1993)
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N2CH4 Photolysis Products
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