AIP conference proceedings · 2006 · 17 citations · 1 references
Natural SciencesAstronomyPhysicsAstrochemistryAstrophysicsStellar AstronomyCircumstellar ChemistryInterstellar Absorption LinesInterstellar ChemistryInterstellar GasInterstellar MoleculesMolecular CloudsAstrochemical Rotational SpectroscopyChemical Diagnostics Of Interstellar CloudsInterstellar Cyanide ChemistryMolecular Cloud ObservationsMolecular Spectroscopy Of Interstellar SpeciesObservational AstrochemistryRotational-vibrational TransitionsSpectroscopy Of Interstellar Molecules
Cyanoallene (H2CCCHCN) has been observed with the 100‐m Effelsberg Telescope towards the dark Taurus molecular cloud (TMC‐1) in four different rotational transitions (JK−K+ = 40,4−30,3, 50,5−40,4, 60,6−50,5 and 70,7−60,6) at the frequency range from 20 to 35 GHz. The existence of its isomer methylcyanoacetylene was confirmed with its K = 0 and K = 1 components of the 5K−4K transition. This result was predicted from laboratory measurements. Our attempt of searching for both isomers towards Orion‐KL, however, remains unsuccessful. Possible explanations are briefly discussed.
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