Space and velocity distributions of neutron stars in the Milky Way |
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| Authors: | N Sartore E Ripamonti A Treves R Turolla |
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| Institution: | 1. Dipartimento di Fisica e Matematica, Università dell’Insubria, Via Valleggio 11, 22100 Como, Italy;2. Dipartimento di Fisica, Università di Milano Bicocca, Piazza della Scienza 3, 20126 Milano, Italy;3. Dip. di Fisica, Università di Padova, Via Marzolo 8, 35131 Padova, Italy;4. Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking, Surrey, RH5 6NT, UK |
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| Abstract: | We study the long term dynamics of isolated neutron stars (NSs) for different initial conditions. From the resulting phase-space distributions, we estimate the fraction of NSs bound to the Milky Way. We also estimate the surface and spatial density of NSs in the solar neighborhood and the mean velocity of NSs in the Galactic disk. Estimates of the sky density of NSs towards specific lines of sight, i.e. the Galactic center and the Magellanic Clouds, are also given. |
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| Keywords: | Galactic stellar populations Neutron stars: dynamics Neutron stars: statistics |
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