Figure 4 from Crater 2: An Extremely Cold Dark Matter Halo

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Crater 2: An Extremely Cold Dark Matter Halo

Authors: Nelson Caldwell, Matthew G. Walker, Mario Mateo, Edward W. Olszewski, Sergey Koposov, Vasily Belokurov, Gabriel Torrealba, Alex Geringer-Sameth, and Christian I. Johnson

2017 The Astrophysical Journal 839 20.

Provider: AAS Journals

Caption: Figure 4.

Samples drawn randomly from posterior PDFs for means and dispersions of velocity (left; solar rest frame) and metallicity (right) distributions for Crater 2. Histograms display marginalized, 1D PDFs for each parameter. In the right panel, the gray band represents the metallicity of −1.7 ± 0.1 that is estimated by fitting isochrones to the photometric data (T16; see Section 4.3).

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