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Stellar Dynamics of Needles

Published online by Cambridge University Press:  04 August 2017

Scott Tremaine  and
Tim de Zeeuw
Scott Tremaine
Affiliation:
Canadian Institute for Theoretical Astrophysics, University of Toronto, Toronto M5S 1A1, Canada
Tim de Zeeuw
Affiliation:
The Institute for Advanced Study, Princeton, USA

Extract

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One dimensional “needles” are a limiting case of general triaxial stellar systems. Self-consistent, finite needles can have arbitrary longitudinal density distributions but have a fixed, universal distribution function. All needles are stable to all longitudinal perturbations but neutral to transverse perturbations.

References

REFERENCE

Antonov, V.A., 1961. Astr. Zh., 37, 918 (Translated in Sov. Astron., 4, 859).Google Scholar