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Spectroscopy and processing of interstellar ice analogs

van Dishoeck, E. F.; Acharyya, K.; Al‐Halabi, A.; Andersson, S.; Bisschop, S. E.; van Broekhuizen, F. A.; Fraser, H. J.; Fuchs, G.; Kroes, G. J.; Öberg, K. I.; Schlemmer, S. and Linnartz, H. (2006). Spectroscopy and processing of interstellar ice analogs. In: Astrochemistry: From Laboratory Studies to Astronomical Observations, Honolulu, Hawaii, 18-20 December 2005 (Kaiser, Ralf; Bernath, Peter; Mebel, Alexander M.; Osamura, Yoshihiro and Petrie, Simon eds.), AIP Conference Proceedings, American Institute of Physics, Melville, N.Y., pp. 113–121.

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Recent results from the Raymond and Beverly Sackler Laboratory for Astrophysics on spectroscopy and processing of interstellar ice analogues are summarized. This includes thermal desorption studies of pure, layered and mixed CO, N2 and O2 ices, and infrared spectroscopy and heating of CO‐CO2, CO‐H2O, CO‐HCOOH, CO‐CH4 and CO‐CH3OH layered and mixed ices. Laboratory data of CO‐surface adsorbates show good agreement with the unidentified 2175 cm−1 interstellar feature. Complementary ab initio quantum chemical calculations and molecular dynamics simulations have been performed to provide insight into the gas‐grain interactions and interstellar ice processing. This includes the first molecular dynamics study of the photodissociation of water ice and the corresponding photodesorption efficiencies. The relevance of these data in the analysis of astronomical data is emphasized throughout

Item Type: Conference or Workshop Item
Copyright Holders: 2006 American Institute of Physics
ISBN: 0-7354-0351-1, 978-0-7354-0351-2
Keywords: interstellar molecules; ice; infrared spectroscopy; carbon compounds; nitrogen; oxygen; molecular dynamic; method; photodissociation
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 37253
Depositing User: Stephen Serjeant
Date Deposited: 26 Jun 2013 12:10
Last Modified: 07 Dec 2018 10:15
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