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

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Authors
Green, C.
Green, J.
Burton, M.
Horiuchi, S.
Tothill, N.
Walsh, Andrew
Purcell, C.
Lovell, J.
Millar, T.
Date
2014
Type
Journal Article

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Green, C. and Green, J. and Burton, M. and Horiuchi, S. and Tothill, N. and Walsh, A. and Purcell, C. et al. 2014. New detections of HC5N towards hot cores associated with 6.7 GHz methanol masers. Monthly Notices of the Royal Astronomical Society. 443 (3): pp. 2252-2263.
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Monthly Notices of the Royal Astronomical Society
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Curtin Institute of Radio Astronomy
Remarks

This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society. ©: 2014 The Authors, Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.

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Abstract

We present new detections of cyanodiacetylene (HC5N) towards 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.