A uniformly valid asymptotic density-potential relation for spiral galaxies

Details A uniformly valid asymptotic density-potential relation for spiral galaxies A uniformly valid asymptotic density-potential relation for spiral galaxies

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989acaps...9..125y&link_type=abstract

(Acta Astrophysica Sinica, vol. 9, no. 2, 1989, p. 125-136) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 13, Sept.

Astronomy and Astrophysics

Astrophysics

Density Wave Model, Spiral Galaxies, Asymptotic Methods, Iteration, Poisson Equation

Scientific paper

An asymptotic relation between density and potential perturbations is given for spiral galaxies with at least two spiral arms. The relation is uniformly valid for any arbitrary pitch angle. The derivation of the relation is presented, including equations describing the relationship between the complex amplitudes of the potential perturbation and the density perturbation for small and large pitch angles.

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