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A Tilt in the Dark Matter Halo of the Galaxy

  • Authors: Jiwon Jesse Han, Rohan P. Naidu, Charlie Conroy, Ana Bonaca, Dennis Zaritsky, Nelson Caldwell, Phillip Cargile, Benjamin D. Johnson, Vedant Chandra, Joshua S. Speagle, 佳 士 沈, Yuan-Sen Ting, 源 森 丁, Turner Woody

Jiwon Jesse Han et al 2022 The Astrophysical Journal 934 .

  • Provider: AAS Journals

Caption: Figure 6.

Relation between eccentricity and ∣Φspherical − Φtilted∣, where the latter is defined to be the difference in the potential energy that a star experiences over 600 Myr in a tilted potential and a spherical potential as defined in Equation (2). There is a clear positive correlation in eccentricity and ∣Φspherical − Φtilted∣, demonstrating that stars on eccentric (radial) orbits are more sensitive to their host potential compared to stars on disky orbits.

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