Abstract
view Abstract Citations (4) References (15) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The equilibrium of cool stellar disks. Zweibel, E. Abstract A system of finite infinitesimally thin self-gravitating disks is constructed. The sequence begins with the uniformly rotating disk and approaches the isothermal disk, and the latter members of the sequence resemble real disk galaxies. A mathematical description of cool stellar disks is presented for application to model galaxies in which the ratio of random to mean velocity is small, except near the center. Phase-space moments of the modified Schwarzschild stellar distribution function are shown to have an expansion in powers of the ratio of the star's random kinetic energy to gravitational potential energy Publication: The Astrophysical Journal Pub Date: May 1978 DOI: 10.1086/156126 Bibcode: 1978ApJ...222..103Z Keywords: Galactic Structure; Gravitational Fields; Star Distribution; Stellar Motions; Astronomical Models; Distribution Functions; Kinetic Energy; Potential Energy; Rotating Disks; Astrophysics; Galaxies:Stellar Dynamics; Stellar Disks: Models full text sources ADS |
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