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Estimating Accretion Times of Halo Substructures in the Milky Way

  • Authors: Hefan Li, Masashi Chiba, Xiang-Xiang Xue, Gang Zhao

Hefan Li et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 6.

Histograms of the r (left) and ϕ (right) direction power spectra in the high wavenumber region. The dashed lines represent the fitted models of the two-parameter gamma distribution. The vertical solid lines mark the maximum peak of the median power spectra of substructure GL-1.

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