Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...301l..19r&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 301, Feb. 1, 1986, p. L19-L23.
Astronomy and Astrophysics
Astrophysics
17
Interstellar Matter, Milky Way Galaxy, Molecular Clouds, Mass Distribution, Statistical Correlation, Virial Theorem
Scientific paper
The authors employ the formalism of two-point covariance functions to analyze the statistical clustering properties of ≡2000 molecular cloud cores identified in the Massachusetts-Stony Brook CO survey of the galactic plane between galactic longitudes 20° and 50°. Evidence is presented that the warmest cores are strongly clustered into groups with a characteristic size of ≡50 - 150 pc, which are in turn confined into constant galactic radius bands separated by ≡2.5 kpc. A characteristic core-core velocity dispersion of ≡12 km s-1( three-dimensional) is identified for the warmest cores and is associated with the clustering scale leading to a virial mass estimate of ≡2 - 6×106M_sun; for these clusters.
Rivolo A. R.
Sanders David B.
Solomon Philip M.
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