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Warps and cosmic infall
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DOI：10.1046/j.1365-8711.1999.02333.x.png)
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摘要
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N-body simulations show that when infall reorientates the outer parts of a galactic halo by several degrees per Gyr, a self-gravitating disc that is embedded in the halo develops an integral-sign warp that is comparable in amplitude to observed warps. Studies of angular-momentum acquisition suggest that the required rate of halo reorientation is realistic for galaxies like the Milky Way.
Keyword:
galaxies : haloes
galaxies : kinematics and dynamics
期刊
IF:
4.8
论文数:
7.1W
被引数:
25.0W
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