Giant molecular clouds in M31

Details Giant molecular clouds in M31 Giant molecular clouds in M31

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...321l.145v&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 321, Oct. 15, 1987, p. L145-L149. Research supporte

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Andromeda Galaxy, Carbon Monoxide, Emission Spectra, H Ii Regions, Interferometry, Interstellar Matter, Molecular Clouds, Andromeda Constellation, Computational Astrophysics, Milky Way Galaxy, Millimeter Waves, Physical Properties, Telescopes

Scientific paper

CO (J = 1-0) emission near the H II regions BA 292 and P248 in M31 has been mapped with the Owens Valley interferometer at 7-arcsec (25-pc) resolution. A cloud is resolved, with characteristics similar to Galactic giant molecular clouds (GMCs) such as Orion, including brightness, line width, size, mass, and the presence of active massive star formation. These observations indicate that the CO flux is dominated by emission from GMCs. All CO observations of M31 are thus consistent with an interstellar medium in which most of the molecular gas resides in GMCs.

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