Detection of interstellar C-13 isotopes of C3H2

Details Detection of interstellar C-13 isotopes of C3H2 Detection of interstellar C-13 isotopes of C3H2

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...168l..11g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 168, no. 1-2, Nov. 1986, p. L11, L12.

Astronomy and Astrophysics

Astrophysics

8

Carbon 13, Hydrocarbons, Interstellar Matter, Molecular Spectra, Stellar Envelopes, Abundance, Astronomical Spectroscopy, Line Spectra, Microwave Spectra, Molecular Clouds

Scientific paper

The rare isotopic species (C-13)C2H2 and (C-13)CHCH are detected, for the first time, in SgrB2(OH) with the IRAM 30-m telescope at Pico Veleta, Spain. The strongest of the three lines observed is the 2(12) to 1(01) transition of the asymmetrical isotope (C-13)CHCH. The C-12/C-13 isotopic abundance ratio in the 60 km/s cloud of SgrB2 is estimated to be 28 + or - 5.

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