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2012•Astronomy and AstrophysicsOpen access

Analysis of the terahertz rotational spectrum of the three mono-13C ethyl cyanides (13C–CH3CH2CN)

C. Richard, L. Margulès, Roman A. Motiyenko, Jean‐Claude Guillemin

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Abstract

Context. Millimeter- and submillimeter-wave spectra of regions such as the Orion molecular cloud show many rotational-torsional lines that are caused by the emission of complex organic molecules (COM). Previous laboratory investigations have been conducted for three isotopologues of ethyl cyanide up to 360 GHz, and subsequently, several hundred lines of the three isotopologues have been detected in Orion IRc2 using the IRAM 30 m radiotelescope.

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Context. Millimeter- and submillimeter-wave spectra of regions such as the Orion molecular cloud show many rotational-torsional lines that are caused by the emission of complex organic molecules (COM). Previous laboratory investigations have been conducted for three isotopologues of ethyl cyanide up to 360 GHz, and subsequently, several hundred lines of the three isotopologues have been detected in Orion IRc2 using the IRAM 30 m radiotelescope.

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Available abstract

Context. Millimeter- and submillimeter-wave spectra of regions such as the Orion molecular cloud show many rotational-torsional lines that are caused by the emission of complex organic molecules (COM). Previous laboratory investigations have been conducted for three isotopologues of ethyl cyanide up to 360 GHz, and subsequently, several hundred lines of the three isotopologues have been detected in Orion IRc2 using the IRAM 30 m radiotelescope.

Key concepts: Isotopologue, Physics, Rotational spectrum, Astrophysics, Terahertz radiation, Millimeter, Spectral line, Molecular cloud

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Analysis of the terahertz rotational spectrum of the three mono-13C ethyl cyanides (13C–CH3CH2CN) — Research Paper | ScholarLens