Some observations of extragalactic HCO/+/ and HCN

Details Some observations of extragalactic HCO/+/ and HCN Some observations of extragalactic HCO/+/ and HCN

Apr 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...229..118s&link_type=abstract

Astrophysical Journal, Part 1, vol. 229, Apr. 1, 1979, p. 118-120.

Astronomy and Astrophysics

Astrophysics

23

Carbon Monoxide, Hydrocyanic Acid, Intergalactic Media, Interstellar Chemistry, Interstellar Matter, Molecular Spectra, Antennas, Line Spectra, Microwave Spectra

Scientific paper

HCO(+) has been detected toward an extragalactic source, M82, and detections of HCN toward M82 and NGC 253 are confirmed. These lines are similar in profile to the corresponding (C-12)O emission. The ratio of integrated line intensities, HCN/HCO(+), is of the order of unity in M82, similar to galactic giant molecular clouds. Null results for M81 and M31 are tabulated.

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