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Characterizing the Velocity Anisotropy of the Milky Way’s Stellar Halo

  • Authors: F. O. Barbosa, A. Pérez-Villegas, S. Rossi, R. M. Santucci, L. Aguilar, H. D. Perottoni, G. Limberg, L. Borbolato, J. V. Nogueira-Santos

F. O. Barbosa et al 2026 The Astrophysical Journal 1008 .

  • Provider: AAS Journals

Caption: Figure 2.

Lindblad diagram highlighting disk stars and the accreted structures identified: Sagittarius (Sgr), Gaia-Sausage/Enceladus (GSE), Helmi streams, Thamnos, Sequoia (Seq), and LMS-1. The median values from the MC simulation were adopted to represent each star. The auxiliary y-axis ZΦ indicates the corresponding Z position for a star with potential energy equal to the total energy E.

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