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molecules:ism:c_no [2021/12/20 13:33] – [Oxopentatetraenylidene, C<sub>5</sub>O] mueller | molecules:ism:c_no [2021/12/20 14:44] – [Oxopropadienylidene, C<sub>3</sub>O] mueller | ||
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==== Oxopropadienylidene, | ==== Oxopropadienylidene, | ||
+ | H. E. Matthews, W. M. Irvine, P. Friberg, R. D. Brown, and P. D. Godfrey\\ | ||
+ | reported on\\ | ||
+ | **[[https:// | ||
+ | //Nature// **310**, 125–126 (1984).\\ | ||
+ | The //J// = 2 − 1 transitions near 19.2 GHz was detected with good signal-to-noise ratio toward TMC-1 using the 43 m GBT.\\ | ||
+ | \\ | ||
+ | |||
+ | R. D. Brown, P. D. Godfrey, D. M. Cragg, E. H. N. Rice, W. M. Irvine, P. Friberg, H. Suzuki, M. Ohishi, N. Kaifu, and M. Morimoto\\ | ||
+ | extended the previous study subsequently in\\ | ||
+ | **[[https:// | ||
+ | // | ||
+ | The //J// = 5 − 4, 8 − 7, and 9 − 8 transitions near 48.1, 77.0, and 86.6 GHz were detected using various telescopes.\\ | ||
+ | \\ | ||
+ | |||
+ | The molecules was also detected in the circumstellar envelope of the C-rich AGB star CW Leonis by\\ | ||
+ | E. D. Tenenbaum, A. J. Apponi, L. M. Ziurys, M. Agúndez, J. Cernicharo, J. R. Pardo, and M. Guélin\\ | ||
+ | **[[https:// | ||
+ | // | ||
==== Oxopentatetraenylidene, | ==== Oxopentatetraenylidene, |