The radial dependence of the mass-spectrum and lifetime of molecular clouds in our Galaxy

Details The radial dependence of the mass-spectrum and lifetime of molecular clouds in our Galaxy The radial dependence of the mass-spectrum and lifetime of molecular clouds in our Galaxy

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985acasn..26..321x&link_type=abstract

(Acta Astronomica Sinica, vol. 26, no. 4, 1985, p. 321-332) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 10, Sept.

Astronomy and Astrophysics

Astrophysics

1

Astrometry, Mass Spectra, Milky Way Galaxy, Molecular Clouds, Radial Distribution, Chords (Geometry), Diameters, Distance

Scientific paper

The galactic radial distribution of several parameters of interstellar molecules and clouds deduced from observational data is described. The radial distribution of the physical properties of the (C-13)O clouds are not in one-to-one correspondence with the 21 cm H I arms identified by Cohen (1980). Large-mass clouds and hot clouds show no clear tendency toward concentrating in the arms. Small clouds show a gapless distribution. The arm and interarm regions have the same mass spectrum, hence the same growth rate and cloud lifetime.

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