MCG 06-45-001 - Not a local group galaxy

Details MCG 06-45-001 - Not a local group galaxy MCG 06-45-001 - Not a local group galaxy

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...362l...9s&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 362, Oct. 10, 1990, p. L9-L12.

Astronomy and Astrophysics

Astrophysics

2

Carbon Monoxide, Far Infrared Radiation, Rotational Spectra, Spiral Galaxies, Dwarf Stars, H Ii Regions, Interstellar Matter, Milky Way Galaxy, Molecular Clouds

Scientific paper

Observations of (C-12)O and (C-13)O J = 1 to 0 for MCG 06-45-001 are examined. It is argued that two features of CO emission with velocities of 1 and 10 km/s indicate that the object is similar to the Galactic molecular clouds in the immediate vicinity, and not to a spiral galaxy as suggested previously. It is considered that CO emission cannot arise from a spiral galaxy at a distance of 2-5 Mpc and that the object is unlikely to be a nearby dwarf. The feature at 10 km/s is considered to arise from a molecular cloud associated with an H II region, which produces the observed IRAS flux.

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