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Infrared spectra of complex organic molecules in astronomically relevant ice matrices

Published online by Cambridge University Press:  12 October 2020

J. Terwisscha van Scheltinga Open the ORCID record for J. Terwisscha van Scheltinga [Opens in a new window] ,
N. F. W. Ligterink Open the ORCID record for N. F. W. Ligterink [Opens in a new window] ,
A. C. A. Boogert Open the ORCID record for A. C. A. Boogert [Opens in a new window] ,
E. F. van Dishoeck Open the ORCID record for E. F. van Dishoeck [Opens in a new window]  and
H. Linnartz Open the ORCID record for H. Linnartz [Opens in a new window]
J. Terwisscha van Scheltinga
Affiliation:
Laboratory for Astrophysics, Leiden Observatory, Leiden University, PO Box 9513, 2300RALeiden, the Netherlands email: jeroentvs@strw.leidenuniv.nl Leiden Observatory, Leiden University, PO Box 9513, 2300RALeiden, the Netherlands
N. F. W. Ligterink
Affiliation:
Center for Space and Habitability, University of Bern, Sidlerstrasse 5, 3012Bern, Switzerland
A. C. A. Boogert
Affiliation:
Institute for Astronomy, University of Hawaii, 2680 Woodlawn Dr., Honolulu, HI98622, USA
E. F. van Dishoeck
Affiliation:
Leiden Observatory, Leiden University, PO Box 9513, 2300RALeiden, the Netherlands Max-Planck Institut für Extraterrestrische Physik (MPE), Giessenbackstr. 1, 85748Garching, Germany
H. Linnartz
Affiliation:
Laboratory for Astrophysics, Leiden Observatory, Leiden University, PO Box 9513, 2300RALeiden, the Netherlands email: jeroentvs@strw.leidenuniv.nl
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Abstract

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The identification of complex organic molecules, COMs, in inter- and circumstellar gas phase environments is steadily increasing. The formation of such COMs takes largely place on the icy dust grains, as has been shown in recent laboratory studies. Until now solid state features of smaller molecular species have been directly identified in these environments. The presented work on acetaldehyde (CH3CHO), ethanol (CH3CH2OH), and dimethyl ether (CH3OCH3) in different astronomically relevant ice environments and for temperatures in the range 15 to 160 Kelvin, provides the necessary tools to guide or interpret astronomical observations, specifically for upcoming James Webb Space Telescope observations.

Keywords

astrochemistrymethods: laboratorytechniques: spectroscopicmolecular processes
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S350: Laboratory Astrophysics: From Observations to Interpretation , April 2019 , pp. 356 - 357
Copyright
© International Astronomical Union 2020

References

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Terwisscha van Scheltinga, J., Ligterink, N. F. W., Boogert, A. C. A., van Dishoeck, E. F., & Linnartz, H. 2018, A&A, 611, A35 Google Scholar