New detections of HC5N towards hot cores associated with 6.7 GHz methanol masers

C.-E. Green, J. A. Green, M. G. Burton, S. Horiuchi, N. F. H. Tothill, A. J. Walsh, C. R. Purcell, J. E. J. Lovell, T. J. Millar

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Abstract

We present new detections of cyanodiacetylene (HC5N) toward hot molecular cores, observed with the Tidbinbilla 34 m radio telescope (DSS–34). In a sample of 79 hot molecular cores, HC5N was detected towards 35. These results are counter to the expectation that long chain cyanopolyynes, such as HC5N, are not typically found in hot molecular cores, unlike their shorter chain counterpart HC3N. However it is consistent with recent models which suggest HC5N may exist for a limited period during the evolution of hot molecular cores.
Original languageEnglish
Pages (from-to)2252-2263
Number of pages12
JournalMonthly Notices of the Royal Astronomical Society
Volume443
Issue number3
Early online date30 Jul 2014
DOIs
Publication statusPublished - 21 Sep 2014

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