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Infrared spectra of ice mixtures: Methane/Ethylene

AuthorsMolpeceres, Germán ; Satorre, Miguel Angel; Ortigoso, Juan ; Millán, Carlos; Escribano, Rafael ; Herrero, Víctor J. ; Tanarro, Isabel ; Luna, Ramón; Maté, Belén
Issue Date19-Oct-2016
CitationWorkshop on interstellar matter (2016)
AbstractEthylene, a product of energetic processing of methane ices[1]is known to be an astromolecule present in our solar system [2]. In addition, methane is thought to be the most abundant of hydrocarbons among those present in the surface of transneptunian objects (TNOs)[3]. Recently, the New Horizons mission has provide d abundant data of Pluto¿s surface, and assignment of several spectroscopic features associated with planetary ices is required. In the present work, the second of a series dedicated to astrophysical relevant mixtures[4], a full set of spectroscopic data from 6000 cm-1to 800 cm-1 has been obtained of ice mixtures at 30K of CH4/C2H4 in several proportions, namely 100/0, 75/25, 50/50, 25/75 and 0/100. Band displacements, band strengths and imaginary and real components of the complex refractive index have been determined for these materials in the spectral window under consideration. Along with the spectroscopic features, density and visible refractive index of these ices have also been measured.
DescriptionWorkshop on interstellar matter (ILTS Symposium); Institute of Low Temperature Science, University Sapporo, Hokkaido (Japan); 19-21 October, 2016
Appears in Collections:(CFMAC-IEM) Comunicaciones congresos
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