Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...201l..85m&link_type=abstract
Astrophysical Journal, vol. 201, Oct. 15, 1975, pt. 2, p. L85-L89.
Astronomy and Astrophysics
Astrophysics
122
Carbon Monoxide, Emission Spectra, Molecular Spectra, Planetary Evolution, Planetary Nebulae, Astronomical Maps, Gas Evolution, Gas Expansion, Signal Detection
Scientific paper
We report the first detection of a molecule from planetary nebulae. We have found carbon monoxide emission in the planetary nebulae NGC 7027, IC 418, and NGC 6543. Compared with the optical nebula, the carbon monoxide emission about NGC 7027 is extended. We interpret our observations of NGC 7027 as a shell of gas ejected from the preplanetary nucleus as it evolved into a planetary.
Lyon John
Marionni P. A.
Mufson Stuart Lee
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