Abstract

view Abstract Citations (14) References (9) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Dimethyl ether in Orion. Clark, F. O. ; Lovas, F. J. ; Johnson, D. R. Abstract Seven new dimethyl ether transitions have been observed in emission from the direction of the Orion Nebula. Dimethyl ether has also been detected in Sgr B2 in weak emission from two rotational transitions. The observed high-resolution spectra from several of the Orion transitions exhibit well-resolved splittings due to internal motions in the molecule. All of the Orion signals are quite narrow and centered near /V-LSR/ = 6.6 km/sec. Laboratory measurements of the rest frequencies of these same transitions are presented, along with the calculated relative intensities of the internal rotor split components. Publication: The Astrophysical Journal Pub Date: April 1979 DOI: 10.1086/156988 Bibcode: 1979ApJ...229..553C Keywords: Astronomical Spectroscopy; Electron Transitions; Ethers; Fine Structure; Interstellar Matter; Methyl Compounds; Molecular Energy Levels; Nebulae; Hydrogen Clouds; Line Spectra; Molecular Spectra; Orion Constellation; Spectrum Analysis; Astrophysics; Orion Nebula; Orion Nebula:Radio Spectra full text sources ADS |

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