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Apocenter Pile-up: Origin of the Stellar Halo Density Break

  • Authors: Alis J. Deason, Vasily Belokurov, Sergey E. Koposov, and Lachlan Lancaster

2018 The Astrophysical Journal Letters 862 L1.

  • Provider: AAS Journals

Caption: Figure 4.

Example orbits in 3D (x, y, z), where the Galactic center is at (x, y, z) = (0, 0, 0). The red lines show example orbits of metal-rich stars on radial orbits, and the blue lines show metal-poor stars on more isotropic orbits.

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