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- W2089873313 abstract "We construct axisymmetric and triaxial galaxy models with a phase-space distribution function that depends on linear combinations of the three exact integrals of motion for a separable potential. These Abel models, first introduced by Dejonghe & Laurent and subsequently extended by Mathieu & Dejonghe, are the axisymmetric and triaxial generalizations of the well-known spherical Osipkov–Merritt models. We show that the density and higher order velocity moments, as well as the line-of-sight velocity distribution of these models can be calculated efficiently and that they capture much of the rich internal dynamics of early-type galaxies. We build a triaxial and oblate axisymmetric galaxy model with projected kinematics that mimic the two-dimensional kinematic observations that are obtained with integral-field spectrographs such as SAURON. We fit the simulated observations with axisymmetric and triaxial dynamical models constructed with our numerical implementation of Schwarzschild orbit-superposition method. We find that Schwarzschild method is able to recover the internal dynamics and three-integral distribution function of realistic models of early-type galaxies." @default.
- W2089873313 created "2016-06-24" @default.
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- W2089873313 creator A5031687927 @default.
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- W2089873313 date "2008-04-01" @default.
- W2089873313 modified "2023-10-13" @default.
- W2089873313 title "Recovery of the internal orbital structure of galaxies" @default.
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- W2089873313 doi "https://doi.org/10.1111/j.1365-2966.2008.12873.x" @default.
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