Detection of Interstellar Cyanoallene and its Implications for Astrochemistry

Details Detection of Interstellar Cyanoallene and its Implications for Astrochemistry Detection of Interstellar Cyanoallene and its Implications for Astrochemistry

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..855..149c&link_type=abstract

ASTROCHEMISTRY: From Laboratory Studies to Astronomical Observations. AIP Conference Proceedings, Volume 855, pp. 149-153 (2006

Astronomy and Astrophysics

Astronomy

3

Molecular And Chemical Processes And Interactions, Atomic, Molecular, And Chemical, And Grain Processes, Molecular Clouds, H2 Clouds, Dense Clouds, And Dark Clouds

Scientific paper

Cyanoallene (H2CCCHCN) has been observed with the 100-m Effelsberg Telescope towards the dark Taurus molecular cloud (TMC-1) in four different rotational transitions (JK-K+ = 40,4-30,3, 50,5-40,4, 60,6-50,5 and 70,7-60,6) at the frequency range from 20 to 35 GHz. The existence of its isomer methylcyanoacetylene was confirmed with its K = 0 and K = 1 components of the 5K-4K transition. This result was predicted from laboratory measurements. Our attempt of searching for both isomers towards Orion-KL, however, remains unsuccessful. Possible explanations are briefly discussed.

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