On the Schwarzschild Velocity Distribution of the Local Stellar Disk

Details On the Schwarzschild Velocity Distribution of the Local Stellar Disk On the Schwarzschild Velocity Distribution of the Local Stellar Disk

Jul 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001apj...555l..29g&link_type=abstract

The Astrophysical Journal, Volume 555, Issue 1, pp. L29-L32.

Astronomy and Astrophysics

Astronomy

10

Galaxies: Kinematics And Dynamics, Galaxies: Structure, Instabilities, Waves

Scientific paper

The reaction between aperiodically growing Jeans-type gravity perturbations and stars in a rapidly rotating disk is analyzed with quasi-linear theory. The theory, applied to the solar neighborhood in the Galaxy, accounts for the observed Schwarzschild (anisotropic Maxwellian) shape for the stellar velocity ellipsoid and the increase in the random stellar velocities with age.

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