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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 4.

Power spectra of the Fourier transform for substructure GL-1 (left panel) and a random sample (right panel). The axes represent the wavenumbers in the two direction. The black lines mark the regions used to compute the 1D power spectra.

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