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Submillimeter narrow emission lines from the inner envelope of IRC+10216
Nimesh A. Patel, Ken H. Young, Sandra Brünken +8
A spectral-line survey of IRC+10216 in the 345 GHz band has been undertaken with the Submillimeter Array. Although not yet completed, it has already yielded a fairly large sample o…
Rotational Spectroscopy of PAHs: Acenaphthene, Acenaphthylene and Fluorene
S. Thorwirth, P. Theule, C. A. Gottlieb +2
Pure rotational spectra of three polycyclic aromatic hydrocarbons - acenaphthene, acenaphthylene and fluorene - have been obtained by Fourier transform microwave spectroscopy of a…
Detection of HC11N in the Cold Dust Cloud TMC-1
M. B. Bell, P. A. Feldman, M. J. Travers +3
Two consecutive rotational transitions of the long cyanopolyyne HC11N, J=39-38, and J=38-37, have been detected in the cold dust cloud TMC-1 at the frequencies expected from recent…
First Astronomical Detection of the Cumulene Carbon Chain Molecule H_2C_6 in TMC1
W. D. Langer, T. Velusamy, T. B. H. Kuiper +6
The cumulene carbenes are important components of hydrocarbon chemistry in low mass star forming cores. Here we report the first astronomical detection of the long chain cumulene c…