An interferometric and multitransitional study of the Orion methanol masers

Details An interferometric and multitransitional study of the Orion methanol masers An interferometric and multitransitional study of the Orion methanol masers

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...236..481m&link_type=abstract

Astrophysical Journal, Part 1, vol. 236, Mar. 1, 1980, p. 481-491.

Other

36

Emission Spectra, Interferometry, Interstellar Masers, Line Spectra, Methyl Alcohol, Orion Nebula, Brightness Temperature, Interstellar Chemistry, Molecular Excitation

Scientific paper

The paper considers the methanol source in OMC-1 interferometrically mapped in two masing transitions with wavelengths near 1 cm. The source consisted of 10 components with different Doppler velocities; most of the components radiate in both of the mapped transitions, and have brightness temperatures or limits of 1000-4000 K. The molecular excitation was studied with a series of single-dish measurements, and a new methanol transition was detected. It is concluded that the methanol masers are being excited by infrared emission from other objects in the vicinity.

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