Astrophysics
[Submitted on 19 Jun 2007]
Title:Simple pairs potential-density for flat rings
View PDFAbstract: Pairs potential-density in terms of elementary functions that represents flat rings structures are presented. We study structures representing one or several concentric flat rings. Also disks surrounded by concentric flat rings are exhibited. The stability of concentrically circular orbits of particles moving on a flat ring structure is analyzed for radial perturbations.
Submission history
From: Patricio S. Letelier [view email][v1] Tue, 19 Jun 2007 14:25:23 UTC (17 KB)
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