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- W4238541750 abstract "We use a three-component model of a spiral galaxy, given by (Huang et al., 1979): 1. An outer halo with a gravitational potential of the form where R 2 = x 2 + y 2 + z 2 , M 1 = 1.2 × 10 11 M ⊙ and b 1 = 1.1 Kpc. 2. A nucleus, with a gravitational potential given by where M 0 = 1.1 × 10 7 M ⊙ , and b 0 = 0.61 × 10 −2 Kpc. 3. A self-gravitating disk containing N stars. The density distribution in the z -direction is assumed to be: where α = 2.1 Kpc −1 is the equivalent semi-thickness of the galaxy, and σ( r ) is the surface density. We consider three different initial expressions for σ( r ): i. A Toomre (1963) disk. ii. A uniform distribution. iii. An exponential distribution." @default.
- W4238541750 created "2022-05-12" @default.
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- W4238541750 date "1987-01-01" @default.
- W4238541750 modified "2023-09-26" @default.
- W4238541750 title "Numerical Investigation of the Density Distribution of Stars and the Dispersion of Velocities in Spiral Galaxies" @default.
- W4238541750 cites W2056918564 @default.
- W4238541750 doi "https://doi.org/10.1017/s0074180900186073" @default.
- W4238541750 hasPublicationYear "1987" @default.
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