Abstract
view Abstract Citations (3) References (8) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Stellar orbits and the persistence of spiral structure in galaxies. Frahm, R. ; Thielheim, K. O. Abstract The persistence of the spiral structure of galaxies is discussed in the context of the position probability of individual stars. The influence of the spiral-shaped perturbation to the axially symmetric background potential on this position probability is considered for the Galaxy in some special cases as a function of the assumed rotational velocity of the spiral pattern. It is found that for a given background and spiral potential, such a mechanism supporting the persistence of the spiral arms exists only in certain regions of rotational velocity of the spiral pattern. Publication: The Astrophysical Journal Pub Date: March 1978 DOI: 10.1086/182633 Bibcode: 1978ApJ...220L..43F Keywords: Galactic Rotation; Galactic Structure; Orbit Calculation; Spiral Galaxies; Star Distribution; Stellar Motions; Stellar Orbits; Angular Velocity; Gravitational Fields; Orbital Position Estimation; Probability Theory; Astronomy; Galaxies:Spiral Structure; Galaxies:Stellar Dynamics full text sources ADS |
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