This work provides infrared reference spectra of acetaldehyde (CH 3CHO), ethanol (CH 3CH 2OH), and dimethyl ether (CH 3OCH 3) recorded in a variety of ice environments and for astronomically relevant temperatures, as needed to guide or interpret astronomical observations, specifically for upcoming James Webb Space Telescope observations. Accurate spectroscopic laboratory data of frozen COMs, embedded in ice matrices containing ingredients related to their formation scheme, are still largely lacking.Īim. At present only smaller molecular species have been directly identified in space in the solid state.
Recent laboratory studies show that many such species form on icy dust grains. The number of identified complex organic molecules (COMs) in inter- and circumstellar gas-phase environments is steadily increasing. Max-Planck Institut für Extraterrestrische Physik (MPE),Ĭontext. Institute for Astronomy, University of Hawaii, Universities Space Research Association, Stratospheric Observatory for Infrared Astronomy, NASA Ames Research Center, Raymond and Beverly Sackler Laboratory for Astrophysics, Leiden Observatory, Leiden University,Į-mail: Observatory, Leiden University,
Astronomical objects: linking to databases.Including author names using non-Roman alphabets.Suggested resources for more tips on language editing in the sciences Punctuation and style concerns regarding equations, figures, tables, and footnotes
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