The density and drag of the accretion wake of a massive body moving through a uniform stellar distribution

dc.contributor.author	Sweatman, Winston L.
dc.contributor.author	Heggie, Douglas C.
dc.date.accessioned	2013-05-14T03:56:38Z
dc.date.available	2013-05-14T03:56:38Z
dc.date.issued	2004
dc.description.abstract	We calculate the change in density within a uniform distribution of field stars (point masses) caused by a single massive body passing through with a constant velocity. Starting with the simplest case in which the field stars are initially stationary this leads to an infinite density wake behind the body. Introducing a small thermalisation within the field stars removes this infinity whilst leading to similar results off the path of the massive body. Results are in good agreement with those previously derived. An approximation can be made for the density in the thermalised case and this can be used to deduce the force exerted on the massive body due to the drag caused by the accretion wake.	en
dc.identifier.citation	Sweatman, W.L. Heggie, D.C. (2004), The density and drag of the accretion wake of a massive body moving through a uniform stellar distribution, Research Letters in the Information and Mathematical Sciences, 6, 123-134	en
dc.identifier.issn	1175-2777
dc.identifier.uri	http://hdl.handle.net/10179/4435
dc.language.iso	en	en
dc.publisher	Massey University	en
dc.subject	Astrophysics	en
dc.title	The density and drag of the accretion wake of a massive body moving through a uniform stellar distribution	en
dc.type	Article	en

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