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Anisotropy of the Milky Way’s Stellar Halo Using K Giants from LAMOST and Gaia

  • Authors: Sarah A. Bird, Xiang-Xiang Xue, Chao Liu, Juntai Shen, Chris Flynn, and Chengqun Yang

2019 The Astronomical Journal 157 104.

  • Provider: AAS Journals

Caption: Figure 6.

Energy E vs. total angular momentum L for the full sample of 7664 halo K giants (black and red dots). Energies for the stars have been estimated using a Milky Way–like potential consisting of an NFW dark halo and a double exponential disk using galpy (Bovy 2015). We flag the overdense region of stars marked in red in this EL plane as predominantly in the Sagittarius stream.

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