Dynamics of 'clouds' of the protogalactic medium in the gravitational potential of dark matter

Details Dynamics of 'clouds' of the protogalactic medium in the gravitational potential of dark matter Dynamics of 'clouds' of the protogalactic medium in the gravitational potential of dark matter

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pazh...17..563c&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 17, July 1991, p. 563-568. In Russian.

Astronomy and Astrophysics

Astrophysics

Angular Momentum, Dark Matter, Galactic Evolution, Gas Dynamics, Gravitational Fields, Astronomical Models, Missing Mass (Astrophysics), Spin-Orbit Interactions, Spiral Galaxies

Scientific paper

Simple numerical models of protogalactic clouds are constructed, taking into account their intrinsic gravitational field and the gravitational field of dark matter. The clouds are shown to gain significant relative velocities and angular momentum which is higher than the spin momentum of giant spiral galaxies. This momentum can be transformed almost completely into the spin momentum of the condensation that is formed due to the binary noncentral collision and subsequent coalescence of two massive gaseous clouds.

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