The search for methylisocyanoacetylene in TMC-1.

Details The search for methylisocyanoacetylene in TMC-1. The search for methylisocyanoacetylene in TMC-1.

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996mnras.283l...7s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. Vol. 283, No. 1, p. L7 - L8

Astronomy and Astrophysics

Astronomy

1

Molecular Data -- Ism: Clouds -- Ism: Molecules -- Radio Lines: Ism, Molecular Clouds: Radio Lines, Molecular Clouds: Molecular Abundances, Molecular Clouds: Cyanopolyynes

Scientific paper

Methylisocyanoacetylene (CH3C2NC), an isomer of methylcyanoacetylene (CH3C3N), has been searched for in the Taurus molecular cloud 1 (TMC-1) with the Effelsberg 100-m radiotelescope using recent laboratory data by Gripp and Guarnieri. The upper limit for CH3C2NC in TMC-1 is determined to be N[CH3C2NC] ≤ 2.4×1012cm-2. This value sets a lower limit to the ratio N[CH3C3N]/ N[CH3C2NC] ≥ 2.1, which is, in fact, calculated to be larger at least by an order of magnitude.

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