Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...349l..29c&link_type=abstract
Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 349, Jan. 20, 1990, p. L29-L31.
Astronomy and Astrophysics
Astrophysics
2
Interstellar Matter, Oxygen Isotopes, Submillimeter Waves, Abundance, Astronomical Spectroscopy, Electron Transitions, Fine Structure, Magnetic Dipoles
Scientific paper
In order to aid in the interstellar identification of molecular oxygen via its (O-16)(O-18) isotopic species, the frequencies of four rotational fine-structure lines of (O-16)(O-18) have been measured at frequencies ranging from 298 to 464 GHz. The line with the highest intensity and consequent best chance of astronomical detection lies at 401739.823 MHz. Its magnetic dipole strength is somewhat more than half that of the previously measured strong line at 233946.179 MHz.
Crownover Richard L.
de Lucia Frank C.
Herbst Eric
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