A method of computing the gravitational field of an axially symmetric flat galaxy |
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| Authors: | Mary M Schaefer Myron Lecar George Rybicki |
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| Institution: | (1) Division of Engineering and Applied Physics, Harvard University, Cambridge, Mass., USA;(2) Smithsonian Astrophysical Observatory and Harvard College Observatory, Cambridge, Mass., USA;(3) Smithsonian Astrophysical Observatory and Harvard College Observatory, Cambridge, Mass., USA |
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| Abstract: | A method has been developed for computing the gravitational force field of an axially symmetric flat galaxy from its surface mass density. The method is simple to program, fast, and accurate. An inversion formula is derived that allows computation of surface density from rotation curves by use of any method that converts density to force. The method is compared with a method of Clutton-Brock that utilizes Hankel transforms of Laguerre functions. |
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