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Vacuum ultraviolet photoabsorption of prime ice analogues of Pluto and Charon

Pavithraa, S; Lo, J-I; Rahul, K; Raja Sekhar, B N; Cheng, B-M; Mason, Nigel J and Sivaraman, B (2018). Vacuum ultraviolet photoabsorption of prime ice analogues of Pluto and Charon. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 190 pp. 172–176.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1016/j.saa.2017.08.060
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Abstract

Here we present the first Vacuum UltraViolet (VUV) photoabsorption spectra of ice analogues of Pluto and Charon ice mixtures. For Pluto the ice analogue is an icy mixture containing nitrogen (N2), carbon monoxide (CO), methane (CH4) and water (H2O) prepared with a 100:1:1:3 ratio, respectively. Photoabsorption of icy mixtures with and without H2O were recorded and no significant changes in the spectra due to presence of H2O were observed. For Charon a VUV photoabsorption spectra of an ice analogue containing ammonia (NH3) and H2O prepared with a 1:1 ratio was recorded, a spectrum of ammonium hydroxide (NH4OH) was also recorded. These spectra may help to interpret the P-Alice data from New Horizons.

Item Type: Journal Item
Copyright Holders: 2017 Elsevier B.V
ISSN: 1386-1425
Keywords: Astrochemistry‑methods, Laboratory, Solid state‑techniques, Spectroscopic
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 52095
SWORD Depositor: Jisc Publications-Router
Depositing User: ORO Import
Date Deposited: 08 Mar 2018 11:19
Last Modified: 02 May 2019 17:19
URI: http://oro.open.ac.uk/id/eprint/52095
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