Molecule formation and cloud collapse

Details Molecule formation and cloud collapse Molecule formation and cloud collapse

May 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ap%26ss..48..379m&link_type=abstract

Astrophysics and Space Science, vol. 48, no. 2, May 1977, p. 379-387.

Astronomy and Astrophysics

Astrophysics

1

Astronomical Models, Gravitational Collapse, Hydrogen Clouds, Interstellar Gas, Reaction Kinetics, Gas Temperature, Hydrogen Atoms, Interstellar Space, Radial Distribution, Temperature Distribution, Thermal Instability, Velocity Distribution

Scientific paper

The gravitational collapse of a uniform nonmagnetic nonrotating spherically symmetric interstellar gas cloud is studied, taking into account the conversion of atomic to molecular hydrogen and appropriate heating and cooling mechanisms. It is shown that this conversion can result in the collapse of an initially stable gas cloud and that in clouds with masses greater than the Jeans mass, the main effect of molecule formation is to alter the temperature distribution inside the clouds.

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