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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 7.

Density and enclosed-mass profiles for Crater 2's stellar and dark matter components, from our mixture model based on the Jeans equation (Section 4.5). Colored bands represent 68% credibility intervals at each radius. Crosses represent estimates of masses enclosed within spheres of radius ﹩{R}_{{\rm{h}}}﹩ (Walker et al. 2009b) and ﹩\tfrac{4}{3}{R}_{{\rm{h}}}﹩ (Wolf et al. 2010).

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