The evolution of groups of very light stars in the Galaxy

Details The evolution of groups of very light stars in the Galaxy The evolution of groups of very light stars in the Galaxy

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992cemda..54..267p&link_type=abstract

Celestial Mechanics and Dynamical Astronomy (ISSN 0923-2958), vol. 54, no. 1-3, p. 267-269.

Astronomy and Astrophysics

Astronomy

1

Galactic Structure, Star Clusters, Stellar Evolution, Stellar Gravitation, Globular Clusters, Random Processes, Velocity Distribution

Scientific paper

The model of a purely discontinuous random process is used to investigate the evolution of the velocity distribution function of a group of zero mass bodies in the gravitational field of a stellar cluster or a Galactic disk. The simplest case of the variation of the velocity module through encounters with field stars is considered, without the regular potential of the system taken into account. The stationary velocity distribution is reached after a time of 10 tau3 for the stellar cluster field and of 10 tau2 for the planar system.

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