CO observations around galactic longitude l=45 deg

Details CO observations around galactic longitude l=45 deg CO observations around galactic longitude l=45 deg

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...255..475i&link_type=abstract

Astrophysical Journal, Part 1, vol. 255, Apr. 15, 1982, p. 475-488.

Other

3

Carbon Monoxide, Galactic Structure, Molecular Clouds, Star Clusters, Astronomical Maps, B Stars, H Ii Regions, Milky Way Galaxy, Molecular Spectra, Noise Temperature, O Stars, Stellar Evolution

Scientific paper

An area of about 1.5 deg x 2.0 deg, centered on l=45.5 deg and b=0.0 deg, was mapped in the (C-12)O line at intervals of one beamwidth. A total of 22 individual CO cloud complexes was identified; the brightest of these is associated with a massive H I cloud and the H II region complex G45.5+0.1. This object most likely represents a small OB star cluster in its early stages of development. All other H II regions in the area mapped are likewise associated with CO maxima. The survey results indicate a structure of the Sagittarius arm generally in agreement with that derived in earlier studies; they also indicate that the Galaxy as a whole contains of the order of 3500 molecular clouds larger than 10 pc in diameter.

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