Observation of J = 1-0 emission from H/N-15/C

Details Observation of J = 1-0 emission from H/N-15/C Observation of J = 1-0 emission from H/N-15/C

Sep 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mnras.180p..87b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 180, Sept. 1977, p. 87p-89p. Research supported by the Australian Resear

Astronomy and Astrophysics

Astronomy

5

Hydrocyanic Acid, Interstellar Chemistry, Microwave Emission, Radio Astronomy, Absorption Spectroscopy, Abundance, Isomers, Isotope Effect

Scientific paper

Emission from the J = 1-0 transition of H(N-15)C has been detected in the direction of DR21(OH). The transition frequency of 88,865.69 MHz was measured in the laboratory by microwave absorption spectroscopy. The computed N-15/C-13 isotopic abundance ratio of 1.01 for DR21(OH) is larger than those calculated from isotopes of HCN in other interstellar clouds, perhaps implying a localized enrichment in N-15 in DR21(OH).

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