Fragmentation of collapsing clouds and the properties of star forming regions in different types of galaxies

Details Fragmentation of collapsing clouds and the properties of star forming regions in different types of galaxies Fragmentation of collapsing clouds and the properties of star forming regions in different types of galaxies

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990kfnt....6q..66i&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 6, Jan.-Feb. 1990, p. 66-72. In Russian.

Astronomy and Astrophysics

Astronomy

Hydrogen Clouds, Molecular Clouds, Spiral Galaxies, Star Formation, Thermal Instability, Astronomical Models, Cooling, Gravitational Collapse

Scientific paper

The paper investigates thermal instability in collapsing clouds with initial masses between 100 million and one billion solar masses and initial temperatures of about 10,000 K. It is shown that thermal instability arises at temperatures less than 4000 K, when the cooling rate on heavy elements becomes comparable to the cooling rate of the main source, molecular hydrogen. The properties of star forming regions in various types of galaxies are discussed.

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