Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...209..770l&link_type=abstract
Astrophysical Journal, vol. 209, Nov. 1, 1976, pt. 1, p. 770-777.
Astronomy and Astrophysics
Astrophysics
38
Emission Spectra, Interstellar Matter, Methyl Alcohol, Millimeter Waves, Molecular Spectra, Nebulae, Acetonitrile, Atomic Recombination, Frequency Response, H Alpha Line, H Ii Regions, Methyl Compounds, Silicon Oxides
Scientific paper
During the course of a search of Orion A for signals from three large organic molecules, several millimeter-wave lines from known interstellar molecules were observed. Results are reported for observations of methanol (CH3OH), methyl cyanide (CH3CN), methyl acetylene (CH3CCH), acetaldehyde (CH3CHO) and (Si-29)O. Emission signals from two hydrogen recombination lines (H41-alpha and H42-alpha) detected from the H II region of Orion A are also reported. Negative results were obtained for several millimeter-wave transitions of ethylene oxide, acetone, and cyclopropenone.
Buhl David
Johnson Richard D.
Lovas Francis J.
Snyder Lewis E.
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