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Laboratory data in support of JWST observations of interstellar ices

Published online by Cambridge University Press:  12 October 2020

Marina G. Rachid Open the ORCID record for Marina G. Rachid [Opens in a new window] ,
Jeroen Terwisscha van Scheltinga Open the ORCID record for Jeroen Terwisscha van Scheltinga [Opens in a new window] ,
Daniël Koletzki ,
Giulia Marcandalli ,
Ewine F. van Dishoeck Open the ORCID record for Ewine F. van Dishoeck [Opens in a new window]  and
Harold Linnartz Open the ORCID record for Harold Linnartz [Opens in a new window]
Marina G. Rachid
Affiliation:
Laboratory for Astrophysics, Leiden Observatory, Leiden University, PO Box 9513, 2300 RA Leiden, the Netherlands
Jeroen Terwisscha van Scheltinga
Affiliation:
Laboratory for Astrophysics, Leiden Observatory, Leiden University, PO Box 9513, 2300 RA Leiden, the Netherlands
Daniël Koletzki
Affiliation:
Laboratory for Astrophysics, Leiden Observatory, Leiden University, PO Box 9513, 2300 RA Leiden, the Netherlands
Giulia Marcandalli
Affiliation:
Laboratory for Astrophysics, Leiden Observatory, Leiden University, PO Box 9513, 2300 RA Leiden, the Netherlands
Ewine F. van Dishoeck
Affiliation:
Leiden Observatory, Leiden University, PO Box 9513, 2300 RA Leiden, the Netherlands
Harold Linnartz
Affiliation:
Laboratory for Astrophysics, Leiden Observatory, Leiden University, PO Box 9513, 2300 RA Leiden, the Netherlands
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Abstract

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Experimental and theoretical studies have shown that Complex Organic Molecules (COMs) can be formed on icy dusty grains in molecular clouds and protoplanetary disks. The number of astronomical detections of solid COMs, however, is very limited. With the upcoming launch of the James Webb Space Telescope (JWST) this should change, but in order to identify solid state features of COMs, accurate laboratory data are needed. Here we present high resolution (0.5 cm–1) infrared ice spectra of acetone (C3H6O) and methyl formate (HCOOCH3), two molecules already identified in astronomical gas phase surveys, whose interstellar synthesis is expected to follow solid state pathways.

Keywords

Infrared spectroscopyIce analogsMethyl formateAcetoneInterstellar molecules
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S350: Laboratory Astrophysics: From Observations to Interpretation , April 2019 , pp. 420 - 421
Copyright
© International Astronomical Union 2020

References

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