Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979azh....56..297s&link_type=abstract
Astronomicheskii Zhurnal, vol. 56, Mar.-Apr. 1979, p. 297-312. In Russian.
Astronomy and Astrophysics
Astronomy
5
Interstellar Chemistry, Milky Way Galaxy, Molecular Gases, Star Clusters, Star Formation, B Stars, Galactic Evolution, H Ii Regions, Infrared Spectra, Interstellar Masers, O Stars, Orion Constellation, Radio Sources (Astronomy), Stellar Spectra, T Tauri Stars, Tables (Data)
Scientific paper
A list of 49 star-formation regions is presented which contains information about the physical relation of star-formation regions to O and T associations, clusters, H II regions, dark clouds, and IR and maser sources. Concepts pertaining to the population categories of star-formation regions and the evolutionary classification of such regions are clarified by reviewing observational data on objects located in these regions. The masses of individual star-formation regions are estimated to be in the range from 1000-10,000 to 1 million solar masses. A discrepancy between the initial mass of a molecular cloud and the final mass of the stars formed in a star-formation region is discussed.
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