January 2010

Tricarbon Monoxide

The first interstellar feature that could be assigned to tricarbon monoxide (C3O) was reported in 1984 by Matthews et al. using their own laboratory data published the previous year. A second report in 1985 increased the number of observed lines to four, all in the Taurus Molecular Cloud (TMC-1). An extensive survey from 2004 by Kaifu et al. confirmed the detection of C3O in TMC-1 and added another line. The species has also been found in the circumstellar cloud toward IRC +10216 by Tenenbaum et al. and toward the low-mass protostar Elias 18 by Palumbo et al. Prof. Ronald Brown discussed his work with tricarbon monoxide in a 2008 interview.

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